[PATCH 0/18] arm64: renesas: add ULCB Kingfisher board

[PATCH 0/18] arm64: renesas: add ULCB Kingfisher board

[Vladimir Barinov]

Hello,

This adds the folowing:
- ULCB Kingfisher infotainment board device tree
- Document DT bindings

Vladimir Barinov (18):
[01/18] dt: arm: shmobile: add M3ULCB Kingfisher board DT
[02/18] dt: arm: shmobile: add H3ULCB Kingfisher board DT
[03/18] arm64: dts: ulcb-kf: initial device tree
[04/18] arm64: dts: m3ulcb-kf: initial device tree
[05/18] arm64: dts: h3ulcb-kf: ES1.x SoC initial device tree
[06/18] arm64: dts: h3ulcb-kf: ES2.0+ SoC initial device tree
[07/18] arm64: dts: ulcb-kf: enable SCIF1
[08/18] arm64: dts: ulcb-kf: enable CAN0/1
[09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0
[10/18] arm64: dts: ulcb-kf: enable HSUSB
[11/18] arm64: dts: ulcb-kf: enable USB2.0 Host channel 0
[12/18] arm64: dts: ulcb-kf: enable PCIE0/1
[13/18] arm64: dts: ulcb-kf: enable USB3.0 Host
[14/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C2
[15/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C4
[16/18] arm64: dts: ulcb-kf: enable PCA9548 on I2C2
[17/18] arm64: dts: ulcb-kf: enable PCA9548 on I2C4
[18/18] arm64: dts: ulcb-kf: hog USB3 hub control gpios

---
This patchset is against the 'kernel/git/horms/renesas.git' repo.

 Documentation/devicetree/bindings/arm/shmobile.txt    |    2 
 arch/arm64/boot/dts/renesas/Makefile                  |    3 
 arch/arm64/boot/dts/renesas/r8a7795-es1-h3ulcb-kf.dts |   17 +
 arch/arm64/boot/dts/renesas/r8a7795-h3ulcb-kf.dts     |   17 +
 arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts     |   17 +
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi              |  185 ++++++++++++++++++
 6 files changed, 241 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r8a7795-es1-h3ulcb-kf.dts
 create mode 100644 arch/arm64/boot/dts/renesas/r8a7795-h3ulcb-kf.dts
 create mode 100644 arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts
 create mode 100644 arch/arm64/boot/dts/renesas/ulcb-kf.dts

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[PATCH 01/18] dt: arm: shmobile: add M3ULCB Kingfisher board DT bindings

[Vladimir Barinov]

Add M3ULCB Kingfisher Device tree bindings Documentation, listing it as a
supported board.

Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
---
 Documentation/devicetree/bindings/arm/shmobile.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt
index ae75cb3..89bd3a6 100644
--- a/Documentation/devicetree/bindings/arm/shmobile.txt
+++ b/Documentation/devicetree/bindings/arm/shmobile.txt
@@ -85,6 +85,7 @@ Boards:
   - Lager (RTP0RC7790SEB00010S)
     compatible = "renesas,lager", "renesas,r8a7790"
   - M3ULCB (R-Car Starter Kit Pro, RTP0RC7796SKBX0010SA09 (M3 ES1.0))
+    M3ULCB Kingfisher (SBEV-RCAR-KF-M03)
     compatible = "renesas,m3ulcb", "renesas,r8a7796";
   - Marzen (R0P7779A00010S)
     compatible = "renesas,marzen", "renesas,r8a7779"
-- 
1.9.1

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[PATCH 02/18] dt: arm: shmobile: add H3ULCB Kingfisher board DT bindings

[Vladimir Barinov]

Add H3ULCB Kingfisher Device tree bindings Documentation, listing it as a
supported board.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 Documentation/devicetree/bindings/arm/shmobile.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt
index 89bd3a6..b313fe2 100644
--- a/Documentation/devicetree/bindings/arm/shmobile.txt
+++ b/Documentation/devicetree/bindings/arm/shmobile.txt
@@ -65,6 +65,7 @@ Boards:
     compatible = "renesas,gose", "renesas,r8a7793"
   - H3ULCB (R-Car Starter Kit Premier, RTP0RC7795SKBX0010SA00 (H3 ES1.1))
     H3ULCB (R-Car Starter Kit Premier, RTP0RC77951SKBX010SA00 (H3 ES2.0))
+    H3ULCB Kingfisher (SBEV-RCAR-KF-M03)
     compatible = "renesas,h3ulcb", "renesas,r8a7795";
   - Henninger
     compatible = "renesas,henninger", "renesas,r8a7791"
-- 
1.9.1

[PATCH 03/18] arm64: dts: ulcb-kf: initial device tree

[Vladimir Barinov]

Add the initial common dtsi file for Kingfisher infotainment board (R-Car
Starter Kit extension)

This commit supports the following peripherals:
- HSCIF0

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
new file mode 100644
index 0000000..849f8b1
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -0,0 +1,31 @@
+/*
+ * Device Tree Source for the Kingfisher (ULCB extension) board
+ *
+ * Copyright (C) 2017 Renesas Electronics Corp.
+ * Copyright (C) 2017 Cogent Embedded, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/ {
+	aliases {
+		serial1 = &hscif0;
+	};
+};
+
+&hscif0 {
+	pinctrl-0 = <&hscif0_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	status = "okay";
+};
+
+&pfc {
+	hscif0_pins: hscif0 {
+		groups = "hscif0_data", "hscif0_ctrl";
+		function = "hscif0";
+	};
+};
-- 
1.9.1

[PATCH 04/18] arm64: dts: m3ulcb-kf: initial device tree

[Vladimir Barinov]

Add the initial device tree for the M3ULCB with Kingfisher extension
infotainment board.

Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
---
 arch/arm64/boot/dts/renesas/Makefile              |  1 +
 arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 381928b..54e8316 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -2,6 +2,7 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-x.dtb r8a7795-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-xs.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-salvator-x.dtb r8a7795-es1-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
+dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
 
 always		:= $(dtb-y)
diff --git a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts
new file mode 100644
index 0000000..22fad76c
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb-kf.dts
@@ -0,0 +1,17 @@
+/*
+ * Device Tree Source for the M3ULCB Kingfisher board
+ *
+ * Copyright (C) 2017 Renesas Electronics Corp.
+ * Copyright (C) 2017 Cogent Embedded, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include "r8a7796-m3ulcb.dts"
+#include "ulcb-kf.dtsi"
+
+/ {
+	model = "Renesas M3ULCB Kingfisher board based on r8a7796";
+};
-- 
1.9.1

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[PATCH 05/18] arm64: dts: h3ulcb-kf: ES1.x SoC initial device tree

[Vladimir Barinov]

Add the initial device tree for the H3ULCB ES1.x SoC with Kingfisher
extension infotainment board.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/Makefile                  |  1 +
 arch/arm64/boot/dts/renesas/r8a7795-es1-h3ulcb-kf.dts | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r8a7795-es1-h3ulcb-kf.dts

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 54e8316..e745450 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -1,6 +1,7 @@
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-x.dtb r8a7795-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-xs.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-salvator-x.dtb r8a7795-es1-h3ulcb.dtb
+dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-h3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
diff --git a/arch/arm64/boot/dts/renesas/r8a7795-es1-h3ulcb-kf.dts b/arch/arm64/boot/dts/renesas/r8a7795-es1-h3ulcb-kf.dts
new file mode 100644
index 0000000..dcc9e68
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a7795-es1-h3ulcb-kf.dts
@@ -0,0 +1,17 @@
+/*
+ * Device Tree Source for the H3ULCB Kingfisher board
+ *
+ * Copyright (C) 2017 Renesas Electronics Corp.
+ * Copyright (C) 2017 Cogent Embedded, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include "r8a7795-es1-h3ulcb.dts"
+#include "ulcb-kf.dtsi"
+
+/ {
+	model = "Renesas H3ULCB Kingfisher board based on r8a7795 ES1.x";
+};
-- 
1.9.1

[PATCH 06/18] arm64: dts: h3ulcb-kf: ES2.0+ SoC initial device tree

[Vladimir Barinov]

Add the initial device tree for the H3ULCB ES2.0+ SoC with Kingfisher
extension infotainment board.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/Makefile              |  1 +
 arch/arm64/boot/dts/renesas/r8a7795-h3ulcb-kf.dts | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r8a7795-h3ulcb-kf.dts

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index e745450..a865704 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -1,4 +1,5 @@
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-x.dtb r8a7795-h3ulcb.dtb
+dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-h3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-xs.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-salvator-x.dtb r8a7795-es1-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es1-h3ulcb-kf.dtb
diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb-kf.dts b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb-kf.dts
new file mode 100644
index 0000000..427b73b
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb-kf.dts
@@ -0,0 +1,17 @@
+/*
+ * Device Tree Source for the H3ULCB Kingfisher board
+ *
+ * Copyright (C) 2017 Renesas Electronics Corp.
+ * Copyright (C) 2017 Cogent Embedded, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include "r8a7795-h3ulcb.dts"
+#include "ulcb-kf.dtsi"
+
+/ {
+	model = "Renesas H3ULCB Kingfisher board based on r8a7795 ES2.0+";
+};
-- 
1.9.1

[PATCH 07/18] arm64: dts: ulcb-kf: enable SCIF1

[Vladimir Barinov]

This supports SCIF1 on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 849f8b1..2449915 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -12,6 +12,7 @@
 / {
 	aliases {
 		serial1 = &hscif0;
+		serial2 = &scif1;
 	};
 };
 
@@ -28,4 +29,16 @@
 		groups = "hscif0_data", "hscif0_ctrl";
 		function = "hscif0";
 	};
+
+	scif1_pins: scif1 {
+		groups = "scif1_data_b";
+		function = "scif1";
+	};
+};
+
+&scif1 {
+	pinctrl-0 = <&scif1_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
 };
-- 
1.9.1

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[PATCH 08/18] arm64: dts: ulcb-kf: enable CAN0/1

[Vladimir Barinov]

This supports CAN0/1 on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 2449915..ca8de1a 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -16,6 +16,22 @@
 	};
 };
 
+&can0 {
+	pinctrl-0 = <&can0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	renesas,can-clock-select = <0x0>;
+};
+
+&can1 {
+	pinctrl-0 = <&can1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	renesas,can-clock-select = <0x0>;
+};
+
 &hscif0 {
 	pinctrl-0 = <&hscif0_pins>;
 	pinctrl-names = "default";
@@ -25,6 +41,16 @@
 };
 
 &pfc {
+	can0_pins: can0 {
+		groups = "can0_data_a";
+		function = "can0";
+	};
+
+	can1_pins: can1 {
+		groups = "can1_data";
+		function = "can1";
+	};
+
 	hscif0_pins: hscif0 {
 		groups = "hscif0_data", "hscif0_ctrl";
 		function = "hscif0";
-- 
1.9.1

[PATCH 09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0

[Vladimir Barinov]

This supports USB2 PHY channel #0 on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index ca8de1a..0854600 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -60,6 +60,11 @@
 		groups = "scif1_data_b";
 		function = "scif1";
 	};
+
+	usb0_pins: usb0 {
+		groups = "usb0";
+		function = "usb0";
+	};
 };
 
 &scif1 {
@@ -68,3 +73,10 @@
 
 	status = "okay";
 };
+
+&usb2_phy0 {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
-- 
1.9.1

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[PATCH 10/18] arm64: dts: ulcb-kf: enable HSUSB

[Vladimir Barinov]

This supports HSUSB on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 0854600..8950a52 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -40,6 +40,10 @@
 	status = "okay";
 };
 
+&hsusb {
+	status = "okay";
+};
+
 &pfc {
 	can0_pins: can0 {
 		groups = "can0_data_a";
-- 
1.9.1

[PATCH 11/18] arm64: dts: ulcb-kf: enable USB2.0 Host channel 0

[Vladimir Barinov]

This supports USB2.0 Host channel 0 on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 8950a52..46e3a34 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -32,6 +32,10 @@
 	renesas,can-clock-select = <0x0>;
 };
 
+&ehci0 {
+	status = "okay";
+};
+
 &hscif0 {
 	pinctrl-0 = <&hscif0_pins>;
 	pinctrl-names = "default";
@@ -44,6 +48,10 @@
 	status = "okay";
 };
 
+&ohci0 {
+	status = "okay";
+};
+
 &pfc {
 	can0_pins: can0 {
 		groups = "can0_data_a";
-- 
1.9.1

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[PATCH 12/18] arm64: dts: ulcb-kf: enable PCIE0/1

[Vladimir Barinov]

This supports PCIE0/1 on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 46e3a34..952d2b7 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -52,6 +52,19 @@
 	status = "okay";
 };
 
+&pcie_bus_clk {
+	clock-frequency = <100000000>;
+	status = "okay";
+};
+
+&pciec0 {
+	status = "okay";
+};
+
+&pciec1 {
+	status = "okay";
+};
+
 &pfc {
 	can0_pins: can0 {
 		groups = "can0_data_a";
-- 
1.9.1

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[PATCH 13/18] arm64: dts: ulcb-kf: enable USB3.0 Host

[Vladimir Barinov]

This supports USB3.0 Host on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 952d2b7..71dee77 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -105,3 +105,7 @@
 
 	status = "okay";
 };
+
+&xhci0 {
+	status = "okay";
+};
-- 
1.9.1

[PATCH 14/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C2

[Vladimir Barinov]

This supports PCA9539 gpio expanders on I2C2 bus on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 71dee77..40885e7 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -48,6 +48,28 @@
 	status = "okay";
 };
 
+&i2c2 {
+	gpio_exp_74: pca9539@74 {
+		compatible = "nxp,pca9539";
+		reg = <0x74>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		interrupt-parent = <&gpio6>;
+		interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
+	};
+
+	gpio_exp_75: pca9539@75 {
+		compatible = "nxp,pca9539";
+		reg = <0x75>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		interrupt-parent = <&gpio6>;
+		interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
 &ohci0 {
 	status = "okay";
 };
-- 
1.9.1

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[PATCH 15/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C4

[Vladimir Barinov]

This supports PCA9539 gpio expanders on I2C4 bus on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 40885e7..1cf8466 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -70,6 +70,28 @@
 	};
 };
 
+&i2c4 {
+	gpio_exp_76: pca9539@76 {
+		compatible = "nxp,pca9539";
+		reg = <0x76>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		interrupt-parent = <&gpio7>;
+		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+	};
+
+	gpio_exp_77: pca9539@77 {
+		compatible = "nxp,pca9539";
+		reg = <0x77>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		interrupt-parent = <&gpio5>;
+		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
 &ohci0 {
 	status = "okay";
 };
-- 
1.9.1

[PATCH 16/18] arm64: dts: ulcb-kf: enable PCA9548 on I2C2

[Vladimir Barinov]

This supports PCA9548 I2C switch on I2C2 bus on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 1cf8466..3bbc490 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -68,6 +68,14 @@
 		interrupt-parent = <&gpio6>;
 		interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
 	};
+
+	i2cswitch2: pca9548@71 {
+		compatible = "nxp,pca9548";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x71>;
+		reset-gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
+	};
 };
 
 &i2c4 {
-- 
1.9.1

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[PATCH 17/18] arm64: dts: ulcb-kf: enable PCA9548 on I2C4

[Vladimir Barinov]

This supports PCA9548 I2C switch on I2C4 bus on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 3bbc490..0c3844f 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -98,6 +98,14 @@
 		interrupt-parent = <&gpio5>;
 		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
 	};
+
+	i2cswitch4: pca9548@74 {
+		compatible = "nxp,pca9548";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x71>;
+		reset-gpios= <&gpio3 15 GPIO_ACTIVE_LOW>;
+	};
 };
 
 &ohci0 {
-- 
1.9.1

[PATCH 18/18] arm64: dts: ulcb-kf: hog USB3 hub control gpios

[Vladimir Barinov]

This adds gpio hogs for USB3 hub on ULCB Kingfisher board to power up and
remove from reset the hub

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 0c3844f..7bb9793 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -57,6 +57,20 @@
 		interrupt-controller;
 		interrupt-parent = <&gpio6>;
 		interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
+
+		hub_pwen {
+			gpio-hog;
+			gpios = <6 GPIO_ACTIVE_HIGH>;
+			output-high;
+			line-name = "HUB pwen";
+		};
+
+		hub_rst {
+			gpio-hog;
+			gpios = <7 GPIO_ACTIVE_HIGH>;
+			output-high;
+			line-name = "HUB rst";
+		};
 	};
 
 	gpio_exp_75: pca9539@75 {
-- 
1.9.1

Re: [PATCH 0/18] arm64: renesas: add ULCB Kingfisher board

[Vladimir Barinov]

On 07.09.2017 01:34, Vladimir Barinov wrote:
> Hello,
>
> This adds the folowing:
> - ULCB Kingfisher infotainment board device tree
> - Document DT bindings
Forgot to mention about documentation:

http://elinux.org/R-Car/Boards/Kingfisher
http://www.shimafuji.co.jp/DL/EN/InfotainmentCarrierBoard/
http://www.shimafuji.co.jp/Kingfisher/indexEN.html

-- 
Regards,
Vladimir

Re: [PATCH 08/18] arm64: dts: ulcb-kf: enable CAN0/1

[Sergei Shtylyov]

Hello!

On 9/7/2017 1:36 AM, Vladimir Barinov wrote:

> This supports CAN0/1 on ULCB Kingfisher board
> 
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
> ---
>   arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 26 ++++++++++++++++++++++++++
>   1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> index 2449915..ca8de1a 100644
> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -16,6 +16,22 @@
>   	};
>   };
>   
> +&can0 {
> +	pinctrl-0 = <&can0_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +
> +	renesas,can-clock-select = <0x0>;
> +};
> +
> +&can1 {
> +	pinctrl-0 = <&can1_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +
> +	renesas,can-clock-select = <0x0>;

    IIRC, you can omit these Renesas specific props -- the driver uses 0 if it 
doesn't find the prop.

[...]

MBR, Sergei

Re: [PATCH 16/18] arm64: dts: ulcb-kf: enable PCA9548 on I2C2

[Geert Uytterhoeven]

On Thu, Sep 7, 2017 at 12:37 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> This supports PCA9548 I2C switch on I2C2 bus on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
> ---
>  arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> index 1cf8466..3bbc490 100644
> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -68,6 +68,14 @@
>                 interrupt-parent = <&gpio6>;
>                 interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
>         };
> +
> +       i2cswitch2: pca9548@71 {

Please use generic node names: i2c-switch@71

> +               compatible = "nxp,pca9548";
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +               reg = <0x71>;
> +               reset-gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
> +       };
>  };

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 14/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C2

[Geert Uytterhoeven]

Hi Vladimir,

On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> This supports PCA9539 gpio expanders on I2C2 bus on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
> ---
>  arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> index 71dee77..40885e7 100644
> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -48,6 +48,28 @@
>         status = "okay";
>  };
>
> +&i2c2 {
> +       gpio_exp_74: pca9539@74 {

Please use generic names: gpio@74

> +               compatible = "nxp,pca9539";
> +               reg = <0x74>;
> +               gpio-controller;
> +               #gpio-cells = <2>;
> +               interrupt-controller;
> +               interrupt-parent = <&gpio6>;
> +               interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
> +       };
> +
> +       gpio_exp_75: pca9539@75 {

gpio@75

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 15/18] arm64: dts: ulcb-kf: enable PCA9539 on I2C4

[Geert Uytterhoeven]

On Thu, Sep 7, 2017 at 12:37 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> This supports PCA9539 gpio expanders on I2C4 bus on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>

> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -70,6 +70,28 @@
>         };
>  };
>
> +&i2c4 {
> +       gpio_exp_76: pca9539@76 {

gpio@76

> +       gpio_exp_77: pca9539@77 {

gpio@77

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 17/18] arm64: dts: ulcb-kf: enable PCA9548 on I2C4

[Geert Uytterhoeven]

On Thu, Sep 7, 2017 at 12:37 AM, Vladimir Barinov
<vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> This supports PCA9548 I2C switch on I2C4 bus on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -98,6 +98,14 @@
>                 interrupt-parent = <&gpio5>;
>                 interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
>         };
> +
> +       i2cswitch4: pca9548@74 {

i2c-switch@74

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 01/18] dt: arm: shmobile: add M3ULCB Kingfisher board DT bindings

[Geert Uytterhoeven]

Hi Vladimir,

On Thu, Sep 7, 2017 at 12:35 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> Add M3ULCB Kingfisher Device tree bindings Documentation, listing it as a
> supported board.
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>

Thanks for your patch!

> --- a/Documentation/devicetree/bindings/arm/shmobile.txt
> +++ b/Documentation/devicetree/bindings/arm/shmobile.txt
> @@ -85,6 +85,7 @@ Boards:
>    - Lager (RTP0RC7790SEB00010S)
>      compatible = "renesas,lager", "renesas,r8a7790"
>    - M3ULCB (R-Car Starter Kit Pro, RTP0RC7796SKBX0010SA09 (M3 ES1.0))
> +    M3ULCB Kingfisher (SBEV-RCAR-KF-M03)

As the Kingfisher is an extension board (and you added the same board part
number to the H3ULCB section in patch 02/18), shouldn't it have its own
compatible value "shimafuji,kingfisher" instead?

Then this can be used in ulcb-kf.dtsi:

    compatible = "shimafuji,kingfisher";

and appended (overridden, as there's no /append-property/ directive in dtc
yet?) in the board files, e.g. r8a7796-m3ulcb-kf.dts:

    compatible = "shimafuji,kingfisher", "renesas,m3ulcb", "renesas,r8a7796";

Does that make sense?

>      compatible = "renesas,m3ulcb", "renesas,r8a7796";
>    - Marzen (R0P7779A00010S)
>      compatible = "renesas,marzen", "renesas,r8a7779"

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 01/18] dt: arm: shmobile: add M3ULCB Kingfisher board DT bindings

[Vladimir Barinov]

Hi Geert,

On 07.09.2017 13:58, Geert Uytterhoeven wrote:
> Hi Vladimir,
>
> On Thu, Sep 7, 2017 at 12:35 AM, Vladimir Barinov
> <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
>> Add M3ULCB Kingfisher Device tree bindings Documentation, listing it as a
>> supported board.
>>
>> Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> Thanks for your patch!
>
>> --- a/Documentation/devicetree/bindings/arm/shmobile.txt
>> +++ b/Documentation/devicetree/bindings/arm/shmobile.txt
>> @@ -85,6 +85,7 @@ Boards:
>>     - Lager (RTP0RC7790SEB00010S)
>>       compatible = "renesas,lager", "renesas,r8a7790"
>>     - M3ULCB (R-Car Starter Kit Pro, RTP0RC7796SKBX0010SA09 (M3 ES1.0))
>> +    M3ULCB Kingfisher (SBEV-RCAR-KF-M03)
> As the Kingfisher is an extension board (and you added the same board part
> number to the H3ULCB section in patch 02/18), shouldn't it have its own
> compatible value "shimafuji,kingfisher" instead?
Thank you for this suggestion.

This looks very meaningful for boards differentiation.

> Then this can be used in ulcb-kf.dtsi:
>
>      compatible = "shimafuji,kingfisher";
>
> and appended (overridden, as there's no /append-property/ directive in dtc
> yet?) in the board files, e.g. r8a7796-m3ulcb-kf.dts:
>
>      compatible = "shimafuji,kingfisher", "renesas,m3ulcb", "renesas,r8a7796";
>
> Does that make sense?
Yes.
I will rework this in V2 patchset according to your suggestion.

>
>>       compatible = "renesas,m3ulcb", "renesas,r8a7796";
>>     - Marzen (R0P7779A00010S)
>>       compatible = "renesas,marzen", "renesas,r8a7779"
> Gr{oetje,eeting}s,
>
>                          Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                  -- Linus Torvalds


-- 
Regards,
Vladimir

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Re: [PATCH 03/18] arm64: dts: ulcb-kf: initial device tree

[Geert Uytterhoeven]

Hi Vladimir,

On Thu, Sep 7, 2017 at 12:35 AM, Vladimir Barinov
<vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> Add the initial common dtsi file for Kingfisher infotainment board (R-Car
> Starter Kit extension)
>
> This commit supports the following peripherals:
> - HSCIF0
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

> ---
>  arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 31 +++++++++++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>
> diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> new file mode 100644
> index 0000000..849f8b1
> --- /dev/null
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -0,0 +1,31 @@
> +/*
> + * Device Tree Source for the Kingfisher (ULCB extension) board
> + *
> + * Copyright (C) 2017 Renesas Electronics Corp.
> + * Copyright (C) 2017 Cogent Embedded, Inc.
> + *
> + * This file is licensed under the terms of the GNU General Public License
> + * version 2.  This program is licensed "as is" without any warranty of any
> + * kind, whether express or implied.
> + */
> +
> +/ {
> +       aliases {
> +               serial1 = &hscif0;
> +       };
> +};
> +
> +&hscif0 {
> +       pinctrl-0 = <&hscif0_pins>;
> +       pinctrl-names = "default";
> +       uart-has-rtscts;
> +
> +       status = "okay";

This serial port is driving Bluetooth and WiFi, right?
So I expect this node to gain a child node for that in the future, cfr.
Documentation/devicetree/bindings/serial/slave-device.txt.

> +};

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 07/18] arm64: dts: ulcb-kf: enable SCIF1

[Geert Uytterhoeven]

Hi Vladimir,

On Thu, Sep 7, 2017 at 12:35 AM, Vladimir Barinov
<vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> This supports SCIF1 on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> ---
>  arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> index 849f8b1..2449915 100644
> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -12,6 +12,7 @@
>  / {
>         aliases {
>                 serial1 = &hscif0;
> +               serial2 = &scif1;
>         };
>  };
>
> @@ -28,4 +29,16 @@
>                 groups = "hscif0_data", "hscif0_ctrl";
>                 function = "hscif0";
>         };
> +
> +       scif1_pins: scif1 {
> +               groups = "scif1_data_b";

As RTS/CTS is wired, you want to add "scif1_ctrl" here...

> +               function = "scif1";
> +       };
> +};
> +
> +&scif1 {
> +       pinctrl-0 = <&scif1_pins>;
> +       pinctrl-names = "default";
> +

... "uart-has-rtscts" here.

> +       status = "okay";
>  };

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 10/18] arm64: dts: ulcb-kf: enable HSUSB

[Geert Uytterhoeven]

On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> This supports HSUSB on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 11/18] arm64: dts: ulcb-kf: enable USB2.0 Host channel 0

[Geert Uytterhoeven]

On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> This supports USB2.0 Host channel 0 on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0

[Geert Uytterhoeven]

Hi Vladimir,

On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
<vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> This supports USB2 PHY channel #0 on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

> index ca8de1a..0854600 100644
> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -60,6 +60,11 @@
>                 groups = "scif1_data_b";
>                 function = "scif1";
>         };
> +
> +       usb0_pins: usb0 {
> +               groups = "usb0";
> +               function = "usb0";
> +       };
>  };
>
>  &scif1 {
> @@ -68,3 +73,10 @@
>
>         status = "okay";
>  };
> +
> +&usb2_phy0 {
> +       pinctrl-0 = <&usb0_pins>;
> +       pinctrl-names = "default";
> +

Don't you need

    vbus-supply = <&vbus0_usb2>;

with vbus0_usb2 a fixed regulator controlled by GPIO P11 (OTG_EXTLPn) from
GPIO expander U11 (TCA9539)?
May be optional, though. salvator-common.dtsi has it.

> +       status = "okay";
> +};

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 12/18] arm64: dts: ulcb-kf: enable PCIE0/1

[Geert Uytterhoeven]

Hi Vladimir,

On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> This supports PCIE0/1 on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
> ---
>  arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> index 46e3a34..952d2b7 100644
> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -52,6 +52,19 @@
>         status = "okay";
>  };
>
> +&pcie_bus_clk {
> +       clock-frequency = <100000000>;
> +       status = "okay";

The status update is superfluous, as the PCIe bus clock is already enabled
in r8a779[56].dtsi.

With that fixed:
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 13/18] arm64: dts: ulcb-kf: enable USB3.0 Host

[Geert Uytterhoeven]

On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> This supports USB3.0 Host on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 18/18] arm64: dts: ulcb-kf: hog USB3 hub control gpios

[Geert Uytterhoeven]

On Thu, Sep 7, 2017 at 12:37 AM, Vladimir Barinov
<vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> This adds gpio hogs for USB3 hub on ULCB Kingfisher board to power up and
> remove from reset the hub
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 03/18] arm64: dts: ulcb-kf: initial device tree

[Vladimir Barinov]

Hi Geert,

Thank you for the review.

On 20.09.2017 15:20, Geert Uytterhoeven wrote:
> +};
>> +
>> +&hscif0 {
>> +       pinctrl-0 = <&hscif0_pins>;
>> +       pinctrl-names = "default";
>> +       uart-has-rtscts;
>> +
>> +       status = "okay";
> This serial port is driving Bluetooth and WiFi, right?
Yes.
> So I expect this node to gain a child node for that in the future, cfr.
> Documentation/devicetree/bindings/serial/slave-device.txt.
Got it.

-- 
Regards,
Vladimir

Re: [PATCH 09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0

[Vladimir Barinov]

Hi Geert,

Thank you for the review.

On 20.09.2017 15:59, Geert Uytterhoeven wrote:
> Hi Vladimir,
>
> On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
> <vladimir.barinov@cogentembedded.com> wrote:
>> This supports USB2 PHY channel #0 on ULCB Kingfisher board
>>
>> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
>> index ca8de1a..0854600 100644
>> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>> @@ -60,6 +60,11 @@
>>                  groups = "scif1_data_b";
>>                  function = "scif1";
>>          };
>> +
>> +       usb0_pins: usb0 {
>> +               groups = "usb0";
>> +               function = "usb0";
>> +       };
>>   };
>>
>>   &scif1 {
>> @@ -68,3 +73,10 @@
>>
>>          status = "okay";
>>   };
>> +
>> +&usb2_phy0 {
>> +       pinctrl-0 = <&usb0_pins>;
>> +       pinctrl-names = "default";
>> +
> Don't you need
>
>      vbus-supply = <&vbus0_usb2>;
>
> with vbus0_usb2 a fixed regulator controlled by GPIO P11 (OTG_EXTLPn) from
> GPIO expander U11 (TCA9539)?
> May be optional, though. salvator-common.dtsi has it.
Yes, I need this gpio.
I need both OTG_EXTLPn and OTG_OFFVBUSn from the same gpio expander.

I've been considering to use either vbus-supply + gpio hog or use gpio 
hog for both of them for consistency.
What do you think about this?

I plan to add these gpios control as a separate patch.

-- 
Regards,
Vladimir

Re: [PATCH 09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0

[Geert Uytterhoeven]

Hi Vladimir,

CC Shimoda-san

On Fri, Oct 6, 2017 at 4:38 AM, Vladimir Barinov
<vladimir.barinov@cogentembedded.com> wrote:
> On 20.09.2017 15:59, Geert Uytterhoeven wrote:
>> On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
>> <vladimir.barinov@cogentembedded.com> wrote:
>>> This supports USB2 PHY channel #0 on ULCB Kingfisher board
>>>
>>> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
>>
>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>>
>>> index ca8de1a..0854600 100644
>>> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>>> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>>> @@ -60,6 +60,11 @@
>>>                  groups = "scif1_data_b";
>>>                  function = "scif1";
>>>          };
>>> +
>>> +       usb0_pins: usb0 {
>>> +               groups = "usb0";
>>> +               function = "usb0";
>>> +       };
>>>   };
>>>
>>>   &scif1 {
>>> @@ -68,3 +73,10 @@
>>>
>>>          status = "okay";
>>>   };
>>> +
>>> +&usb2_phy0 {
>>> +       pinctrl-0 = <&usb0_pins>;
>>> +       pinctrl-names = "default";
>>> +
>>
>> Don't you need
>>
>>      vbus-supply = <&vbus0_usb2>;
>>
>> with vbus0_usb2 a fixed regulator controlled by GPIO P11 (OTG_EXTLPn) from
>> GPIO expander U11 (TCA9539)?
>> May be optional, though. salvator-common.dtsi has it.
>
> Yes, I need this gpio.
> I need both OTG_EXTLPn and OTG_OFFVBUSn from the same gpio expander.
>
> I've been considering to use either vbus-supply + gpio hog or use gpio hog
> for both of them for consistency.
> What do you think about this?

For OTG_EXTLPn you don't really need a hog, as it will be controlled by the
USB driver/subsystem, like on Salvator-X(S), right?

For OTG_OFFVBUSn, which is (optionally) driven from USB0_PWEN on
Salvator-X(S) I don't know if you need a GPIO hog or not. I have to defer your
question to Shimoda-san.

> I plan to add these gpios control as a separate patch.

OK.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0

[Vladimir Barinov]

Hi Geert,

On 06.10.2017 10:15, Geert Uytterhoeven wrote:
> Hi Vladimir,
>
> CC Shimoda-san
>
> On Fri, Oct 6, 2017 at 4:38 AM, Vladimir Barinov
> <vladimir.barinov@cogentembedded.com> wrote:
>> On 20.09.2017 15:59, Geert Uytterhoeven wrote:
>>> On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
>>> <vladimir.barinov@cogentembedded.com> wrote:
>>>> This supports USB2 PHY channel #0 on ULCB Kingfisher board
>>>>
>>>> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
>>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>>>
>>>> index ca8de1a..0854600 100644
>>>> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>>>> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>>>> @@ -60,6 +60,11 @@
>>>>                   groups = "scif1_data_b";
>>>>                   function = "scif1";
>>>>           };
>>>> +
>>>> +       usb0_pins: usb0 {
>>>> +               groups = "usb0";
>>>> +               function = "usb0";
>>>> +       };
>>>>    };
>>>>
>>>>    &scif1 {
>>>> @@ -68,3 +73,10 @@
>>>>
>>>>           status = "okay";
>>>>    };
>>>> +
>>>> +&usb2_phy0 {
>>>> +       pinctrl-0 = <&usb0_pins>;
>>>> +       pinctrl-names = "default";
>>>> +
>>> Don't you need
>>>
>>>       vbus-supply = <&vbus0_usb2>;
>>>
>>> with vbus0_usb2 a fixed regulator controlled by GPIO P11 (OTG_EXTLPn) from
>>> GPIO expander U11 (TCA9539)?
>>> May be optional, though. salvator-common.dtsi has it.
>> Yes, I need this gpio.
>> I need both OTG_EXTLPn and OTG_OFFVBUSn from the same gpio expander.
>>
>> I've been considering to use either vbus-supply + gpio hog or use gpio hog
>> for both of them for consistency.
>> What do you think about this?
> For OTG_EXTLPn you don't really need a hog, as it will be controlled by the
> USB driver/subsystem, like on Salvator-X(S), right?
Agreed.
>
> For OTG_OFFVBUSn, which is (optionally) driven from USB0_PWEN on
> Salvator-X(S) I don't know if you need a GPIO hog or not. I have to defer your
> question to Shimoda-san.
This pin should be tied permanently low to disable internal MAX3355 
internal VBUS charge pump.
Hence probably gpio hog is enough for OTG_OFFVBUSn.

KF has dedicated VBUS power supply controlled by USB0_PWEN.


-- 
Regards,
Vladimir

Re: [PATCH 18/18] arm64: dts: ulcb-kf: hog USB3 hub control gpios

[Simon Horman]

On Wed, Sep 20, 2017 at 03:50:15PM +0200, Geert Uytterhoeven wrote:
> On Thu, Sep 7, 2017 at 12:37 AM, Vladimir Barinov
> <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> > This adds gpio hogs for USB3 hub on ULCB Kingfisher board to power up and
> > remove from reset the hub
> >
> > Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

Thanks, applied. There was some fuzz when doing so. Please check that what
I have applied is correct after I have pushed the next branch of the
renesas tree later today.
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Re: [PATCH 13/18] arm64: dts: ulcb-kf: enable USB3.0 Host

[Simon Horman]

On Wed, Sep 20, 2017 at 03:07:31PM +0200, Geert Uytterhoeven wrote:
> On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
> <vladimir.barinov@cogentembedded.com> wrote:
> > This supports USB3.0 Host on ULCB Kingfisher board
> >
> > Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> 
> Gr{oetje,eeting}s,

Thanks, applied.

Re: [PATCH 09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0

[Simon Horman]

On Fri, Oct 06, 2017 at 08:28:52PM +0300, Vladimir Barinov wrote:
> Hi Geert,
> 
> On 06.10.2017 10:15, Geert Uytterhoeven wrote:
> >Hi Vladimir,
> >
> >CC Shimoda-san
> >
> >On Fri, Oct 6, 2017 at 4:38 AM, Vladimir Barinov
> ><vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> >>On 20.09.2017 15:59, Geert Uytterhoeven wrote:
> >>>On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
> >>><vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> >>>>This supports USB2 PHY channel #0 on ULCB Kingfisher board
> >>>>
> >>>>Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> >>>Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
> >>>
> >>>>index ca8de1a..0854600 100644
> >>>>--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> >>>>+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> >>>>@@ -60,6 +60,11 @@
> >>>>                  groups = "scif1_data_b";
> >>>>                  function = "scif1";
> >>>>          };
> >>>>+
> >>>>+       usb0_pins: usb0 {
> >>>>+               groups = "usb0";
> >>>>+               function = "usb0";
> >>>>+       };
> >>>>   };
> >>>>
> >>>>   &scif1 {
> >>>>@@ -68,3 +73,10 @@
> >>>>
> >>>>          status = "okay";
> >>>>   };
> >>>>+
> >>>>+&usb2_phy0 {
> >>>>+       pinctrl-0 = <&usb0_pins>;
> >>>>+       pinctrl-names = "default";
> >>>>+
> >>>Don't you need
> >>>
> >>>      vbus-supply = <&vbus0_usb2>;
> >>>
> >>>with vbus0_usb2 a fixed regulator controlled by GPIO P11 (OTG_EXTLPn) from
> >>>GPIO expander U11 (TCA9539)?
> >>>May be optional, though. salvator-common.dtsi has it.
> >>Yes, I need this gpio.
> >>I need both OTG_EXTLPn and OTG_OFFVBUSn from the same gpio expander.
> >>
> >>I've been considering to use either vbus-supply + gpio hog or use gpio hog
> >>for both of them for consistency.
> >>What do you think about this?
> >For OTG_EXTLPn you don't really need a hog, as it will be controlled by the
> >USB driver/subsystem, like on Salvator-X(S), right?
> Agreed.
> >
> >For OTG_OFFVBUSn, which is (optionally) driven from USB0_PWEN on
> >Salvator-X(S) I don't know if you need a GPIO hog or not. I have to defer your
> >question to Shimoda-san.
> This pin should be tied permanently low to disable internal MAX3355 internal
> VBUS charge pump.
> Hence probably gpio hog is enough for OTG_OFFVBUSn.
> 
> KF has dedicated VBUS power supply controlled by USB0_PWEN.

Hi,

I am expecting an updated version of this patch.

Please post it in a fresh thread.

I have gone through the entire patch-set and applied everything that I
though was appropriate. If I have missed any then please repost them as
well, in a fresh patch-set.

Thanks!
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Re: [PATCH 11/18] arm64: dts: ulcb-kf: enable USB2.0 Host channel 0

[Simon Horman]

On Wed, Sep 20, 2017 at 02:52:12PM +0200, Geert Uytterhoeven wrote:
> On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
> <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> > This supports USB2.0 Host channel 0 on ULCB Kingfisher board
> >
> > Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

Thanks, applied.

There was some fuzz when doing so. Please check that what I have applied
is correct after I have pushed the next branch of the renesas tree a little
later today.
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Re: [PATCH 10/18] arm64: dts: ulcb-kf: enable HSUSB

[Simon Horman]

On Wed, Sep 20, 2017 at 02:51:54PM +0200, Geert Uytterhoeven wrote:
> On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
> <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> > This supports HSUSB on ULCB Kingfisher board
> >
> > Signed-off-by: Vladimir Barinov <vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

Thanks, applied.
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RE: [PATCH 09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0

[Yoshihiro Shimoda]

Hi Geert-san, Vladimir-san,

> From: Vladimir Barinov, Sent: Saturday, October 7, 2017 2:29 AM
> 
> Hi Geert,
> 
> On 06.10.2017 10:15, Geert Uytterhoeven wrote:
> > Hi Vladimir,
> >
> > CC Shimoda-san
> >
> > On Fri, Oct 6, 2017 at 4:38 AM, Vladimir Barinov
> > <vladimir.barinov@cogentembedded.com> wrote:
> >> On 20.09.2017 15:59, Geert Uytterhoeven wrote:
> >>> On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
> >>> <vladimir.barinov@cogentembedded.com> wrote:
> >>>> This supports USB2 PHY channel #0 on ULCB Kingfisher board
> >>>>
> >>>> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
> >>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> >>>
> >>>> index ca8de1a..0854600 100644
> >>>> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> >>>> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> >>>> @@ -60,6 +60,11 @@
> >>>>                   groups = "scif1_data_b";
> >>>>                   function = "scif1";
> >>>>           };
> >>>> +
> >>>> +       usb0_pins: usb0 {
> >>>> +               groups = "usb0";
> >>>> +               function = "usb0";
> >>>> +       };
> >>>>    };
> >>>>
> >>>>    &scif1 {
> >>>> @@ -68,3 +73,10 @@
> >>>>
> >>>>           status = "okay";
> >>>>    };
> >>>> +
> >>>> +&usb2_phy0 {
> >>>> +       pinctrl-0 = <&usb0_pins>;
> >>>> +       pinctrl-names = "default";
> >>>> +
> >>> Don't you need
> >>>
> >>>       vbus-supply = <&vbus0_usb2>;
> >>>
> >>> with vbus0_usb2 a fixed regulator controlled by GPIO P11 (OTG_EXTLPn) from
> >>> GPIO expander U11 (TCA9539)?
> >>> May be optional, though. salvator-common.dtsi has it.
> >> Yes, I need this gpio.
> >> I need both OTG_EXTLPn and OTG_OFFVBUSn from the same gpio expander.
> >>
> >> I've been considering to use either vbus-supply + gpio hog or use gpio hog
> >> for both of them for consistency.
> >> What do you think about this?
> > For OTG_EXTLPn you don't really need a hog, as it will be controlled by the
> > USB driver/subsystem, like on Salvator-X(S), right?
> Agreed.
> >
> > For OTG_OFFVBUSn, which is (optionally) driven from USB0_PWEN on
> > Salvator-X(S) I don't know if you need a GPIO hog or not. I have to defer your
> > question to Shimoda-san.

I'm sorry for the delayed response.
I think OTG_OFFVBUSn should be low level to avoid conflict 5V supply from U13's OUT pins.

> This pin should be tied permanently low to disable internal MAX3355
> internal VBUS charge pump.

I agree.

> Hence probably gpio hog is enough for OTG_OFFVBUSn.

I'm afraid but I don't understand this "gpio hog" means.

> KF has dedicated VBUS power supply controlled by USB0_PWEN.

I agree.
I don’t write any documentations though, but I assumed SW15 is pin 3 side
to use MAX3355's charge pump. So, I added "vbus-supply" to disable SHDN# of MAX3355.
But, we can also use U13 for power supply on the Salvator-X[S] without "vbus-supply".

Best regards,
Yoshihiro Shimoda

> 
> --
> Regards,
> Vladimir

Re: [PATCH 09/18] arm64: dts: ulcb-kf: enable USB2 PHY of channel 0

[Geert Uytterhoeven]

Hi Shimoda-san,

On Thu, Oct 12, 2017 at 1:41 PM, Yoshihiro Shimoda
<yoshihiro.shimoda.uh@renesas.com> wrote:
>> From: Vladimir Barinov, Sent: Saturday, October 7, 2017 2:29 AM
>> On 06.10.2017 10:15, Geert Uytterhoeven wrote:
>> > CC Shimoda-san
>> >
>> > On Fri, Oct 6, 2017 at 4:38 AM, Vladimir Barinov
>> > <vladimir.barinov@cogentembedded.com> wrote:
>> >> On 20.09.2017 15:59, Geert Uytterhoeven wrote:
>> >>> On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
>> >>> <vladimir.barinov@cogentembedded.com> wrote:
>> >>>> This supports USB2 PHY channel #0 on ULCB Kingfisher board
>> >>>>
>> >>>> Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
>> >>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>> >>>
>> >>>> index ca8de1a..0854600 100644
>> >>>> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>> >>>> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
>> >>>> @@ -60,6 +60,11 @@
>> >>>>                   groups = "scif1_data_b";
>> >>>>                   function = "scif1";
>> >>>>           };
>> >>>> +
>> >>>> +       usb0_pins: usb0 {
>> >>>> +               groups = "usb0";
>> >>>> +               function = "usb0";
>> >>>> +       };
>> >>>>    };
>> >>>>
>> >>>>    &scif1 {
>> >>>> @@ -68,3 +73,10 @@
>> >>>>
>> >>>>           status = "okay";
>> >>>>    };
>> >>>> +
>> >>>> +&usb2_phy0 {
>> >>>> +       pinctrl-0 = <&usb0_pins>;
>> >>>> +       pinctrl-names = "default";
>> >>>> +
>> >>> Don't you need
>> >>>
>> >>>       vbus-supply = <&vbus0_usb2>;
>> >>>
>> >>> with vbus0_usb2 a fixed regulator controlled by GPIO P11 (OTG_EXTLPn) from
>> >>> GPIO expander U11 (TCA9539)?
>> >>> May be optional, though. salvator-common.dtsi has it.
>> >> Yes, I need this gpio.
>> >> I need both OTG_EXTLPn and OTG_OFFVBUSn from the same gpio expander.
>> >>
>> >> I've been considering to use either vbus-supply + gpio hog or use gpio hog
>> >> for both of them for consistency.
>> >> What do you think about this?
>> > For OTG_EXTLPn you don't really need a hog, as it will be controlled by the
>> > USB driver/subsystem, like on Salvator-X(S), right?
>> Agreed.
>> >
>> > For OTG_OFFVBUSn, which is (optionally) driven from USB0_PWEN on
>> > Salvator-X(S) I don't know if you need a GPIO hog or not. I have to defer your
>> > question to Shimoda-san.
>
> I'm sorry for the delayed response.
> I think OTG_OFFVBUSn should be low level to avoid conflict 5V supply from U13's OUT pins.
>
>> This pin should be tied permanently low to disable internal MAX3355
>> internal VBUS charge pump.
>
> I agree.

OK.

>> Hence probably gpio hog is enough for OTG_OFFVBUSn.
>
> I'm afraid but I don't understand this "gpio hog" means.

"gpio hog" is a means to tie a GPIO to a specific level, cfr.
Documentation/devicetree/bindings/gpio/gpio.txt.

Gr{oetje,eeting}s,

                        Geert

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Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds