[PATCH 0/3] Add R8A7792/Blanche CAN support

[PATCH 0/3] Add R8A7792/Blanche CAN support

[Sergei Shtylyov]

Hello.

   Here's the set of 3 patches against Simon Horman's 'renesas.git' repo,
'renesas-devel-20160711-v4.7-rc7' tag plus the R8A7792 PFC/GPIO/EtherAVB/SDHI
patchsets. We're adding the R8A7792/Blanche CAN clocks and device nodes. The
board patch depends on the PFC driver CAN patch in order for the CAN pins to be
configured...

[1/3] ARM: dts: r8a7792: add CAN clocks
[2/3] ARM: dts: r8a7792: add CAN support
[3/3] ARM: dts: blanche: add CAN0 support

WBR, Sergei

[PATCH 1/3] ARM: dts: r8a7792: add CAN clocks

[Sergei Shtylyov]

The R-Car CAN controllers can derive  the CAN  bus  clock not only from
their peripheral  clock input (clkp1) but also from the other internal
clock (clkp2) and the external clock fed on the CAN_CLK pin.  Describe
those  clocks in  the R8A7792 device tree.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

---
 arch/arm/boot/dts/r8a7792.dtsi |   22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

Index: renesas/arch/arm/boot/dts/r8a7792.dtsi
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7792.dtsi
+++ renesas/arch/arm/boot/dts/r8a7792.dtsi
@@ -530,6 +530,13 @@
 			clock-div = <8>;
 			clock-mult = <1>;
 		};
+		rcan_clk: rcan {
+			compatible = "fixed-factor-clock";
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-div = <49>;
+			clock-mult = <1>;
+		};
 
 		/* Gate clocks */
 		mstp1_clks: mstp1_clks@e6150134 {
@@ -600,7 +607,8 @@
 			reg = <0 0xe6150994 0 4>, <0 0xe61509a4 0 4>;
 			clocks = <&cp_clk>, <&cp_clk>, <&cp_clk>, <&cp_clk>,
 				 <&cp_clk>, <&cp_clk>, <&cp_clk>, <&cp_clk>,
-				 <&cp_clk>, <&cp_clk>, <&cp_clk>, <&cp_clk>;
+				 <&cp_clk>, <&cp_clk>, <&p_clk>, <&p_clk>,
+				 <&cp_clk>, <&cp_clk>;
 			#clock-cells = <1>;
 			clock-indices = <
 				R8A7792_CLK_GPIO7 R8A7792_CLK_GPIO6
@@ -608,12 +616,14 @@
 				R8A7792_CLK_GPIO3 R8A7792_CLK_GPIO2
 				R8A7792_CLK_GPIO1 R8A7792_CLK_GPIO0
 				R8A7792_CLK_GPIO11 R8A7792_CLK_GPIO10
+				R8A7792_CLK_CAN1 R8A7792_CLK_CAN0
 				R8A7792_CLK_GPIO9 R8A7792_CLK_GPIO8
 			>;
 			clock-output-names =
 				"gpio7", "gpio6", "gpio5", "gpio4",
 				"gpio3", "gpio2", "gpio1", "gpio0",
-				"gpio11", "gpio10", "gpio9", "gpio8";
+				"gpio11", "gpio10", "can1", "can0",
+				"gpio9", "gpio8";
 		};
 	};
 
@@ -630,6 +640,14 @@
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
 		/* This value must be overridden by the board. */
+		clock-frequency = <0>;
+	};
+
+	/* External CAN clock */
+	can_clk: can {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		/* This value must be overridden by the board. */
 		clock-frequency = <0>;
 	};
 };

Re: [PATCH 1/3] ARM: dts: r8a7792: add CAN clocks

[Geert Uytterhoeven]

On Thu, Jul 14, 2016 at 10:19 PM, Sergei Shtylyov
<sergei.shtylyov@cogentembedded.com> wrote:
> The R-Car CAN controllers can derive  the CAN  bus  clock not only from
> their peripheral  clock input (clkp1) but also from the other internal
> clock (clkp2) and the external clock fed on the CAN_CLK pin.  Describe
> those  clocks in  the R8A7792 device tree.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@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

[PATCH 2/3] ARM: dts: r8a7792: add CAN support

[Sergei Shtylyov]

Define the generic R8A7792 parts of the CAN0/1 device nodes.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

---
 arch/arm/boot/dts/r8a7792.dtsi |   24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

Index: renesas/arch/arm/boot/dts/r8a7792.dtsi
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7792.dtsi
+++ renesas/arch/arm/boot/dts/r8a7792.dtsi
@@ -468,6 +468,30 @@
 			status = "disabled";
 		};
 
+		can0: can@e6e80000 {
+			compatible = "renesas,can-r8a7792",
+				     "renesas,rcar-gen2-can";
+			reg = <0 0xe6e80000 0 0x1000>;
+			interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&mstp9_clks R8A7792_CLK_CAN0>,
+				 <&rcan_clk>, <&can_clk>;
+			clock-names = "clkp1", "clkp2", "can_clk";
+			power-domains = <&sysc R8A7792_PD_ALWAYS_ON>;
+			status = "disabled";
+		};
+
+		can1: can@e6e88000 {
+			compatible = "renesas,can-r8a7792",
+				     "renesas,rcar-gen2-can";
+			reg = <0 0xe6e88000 0 0x1000>;
+			interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&mstp9_clks R8A7792_CLK_CAN1>,
+				 <&rcan_clk>, <&can_clk>;
+			clock-names = "clkp1", "clkp2", "can_clk";
+			power-domains = <&sysc R8A7792_PD_ALWAYS_ON>;
+			status = "disabled";
+		};
+
 		/* Special CPG clocks */
 		cpg_clocks: cpg_clocks@e6150000 {
 			compatible = "renesas,r8a7792-cpg-clocks",

Re: [PATCH 2/3] ARM: dts: r8a7792: add CAN support

[Geert Uytterhoeven]

On Thu, Jul 14, 2016 at 10:20 PM, Sergei Shtylyov
<sergei.shtylyov@cogentembedded.com> wrote:
> Define the generic R8A7792 parts of the CAN0/1 device nodes.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@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

[PATCH 3/3] ARM: dts: blanche: add CAN0 support

[Sergei Shtylyov]

Define the Blanche board dependent part of the CAN0 device node along with
the CAN_CLK crystal...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

---
 arch/arm/boot/dts/r8a7792-blanche.dts |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Index: renesas/arch/arm/boot/dts/r8a7792-blanche.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7792-blanche.dts
+++ renesas/arch/arm/boot/dts/r8a7792-blanche.dts
@@ -60,6 +60,10 @@
 	clock-frequency = <20000000>;
 };
 
+&can_clk {
+	clock-frequency = <48000000>;
+};
+
 &pfc {
 	scif0_pins: scif0 {
 		groups = "scif0_data";
@@ -81,6 +85,11 @@
 			function = "lbsc";
 		};
 	};
+
+	can0_pins: can0 {
+		groups = "can0_data", "can_clk";
+		function = "can0";
+	};
 };
 
 &scif0 {
@@ -95,4 +104,11 @@
 	pinctrl-names = "default";
 
 	status = "okay";
+};
+
+&can0 {
+	pinctrl-0 = <&can0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
 };

Re: [PATCH 0/3] Add R8A7792/Blanche CAN support

[Simon Horman]

On Thu, Jul 14, 2016 at 11:18:53PM +0300, Sergei Shtylyov wrote:
> Hello.
> 
>    Here's the set of 3 patches against Simon Horman's 'renesas.git' repo,
> 'renesas-devel-20160711-v4.7-rc7' tag plus the R8A7792 PFC/GPIO/EtherAVB/SDHI
> patchsets. We're adding the R8A7792/Blanche CAN clocks and device nodes. The
> board patch depends on the PFC driver CAN patch in order for the CAN pins to be
> configured...

Thanks, I have queue this up.

[PATCH] ARM: dts: wheat: add CAN support

[Sergei Shtylyov]

Define the Wheat board dependent part of the CAN0/1 device nodes...

Based  on the original (and large) patch by Vladimir Barinov 
<vladimir.barinov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

---
This patch is against the 'renesas-devel-20160829-v4.8-rc4' of Simon Horman's
'renesas.git' repo.

 arch/arm/boot/dts/r8a7792-wheat.dts |   24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

Index: renesas/arch/arm/boot/dts/r8a7792-wheat.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7792-wheat.dts
+++ renesas/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -76,6 +76,16 @@
 			function = "lbsc";
 		};
 	};
+
+	can0_pins: can0 {
+		groups = "can0_data";
+		function = "can0";
+	};
+
+	can1_pins: can1 {
+		groups = "can1_data";
+		function = "can1";
+	};
 };
 
 &scif0 {
@@ -83,4 +93,18 @@
 	pinctrl-names = "default";
 
 	status = "okay";
+};
+
+&can0 {
+	pinctrl-0 = <&can0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&can1 {
+	pinctrl-0 = <&can1_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
 };

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Re: [PATCH] ARM: dts: wheat: add CAN support

[Sergei Shtylyov]

On 08/29/2016 11:11 PM, Sergei Shtylyov wrote:

> Define the Wheat board dependent part of the CAN0/1 device nodes...
>
> Based  on the original (and large) patch by Vladimir Barinov
> <vladimir.barinov@cogentembedded.com>.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
[...]

    This patch seems stuck for no apparent reason...

MBR, Sergei

Re: [PATCH] ARM: dts: wheat: add CAN support

[Simon Horman]

On Sun, Sep 04, 2016 at 12:50:00AM +0300, Sergei Shtylyov wrote:
> On 08/29/2016 11:11 PM, Sergei Shtylyov wrote:
> 
> >Define the Wheat board dependent part of the CAN0/1 device nodes...
> >
> >Based  on the original (and large) patch by Vladimir Barinov
> ><vladimir.barinov@cogentembedded.com>.
> >
> >Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> [...]
> 
>    This patch seems stuck for no apparent reason...

Thanks, I have queued this up.

[PATCH] ARM: dts: wheat: add SDHI0 support

[Sergei Shtylyov]

Define the Wheat board dependent  part of  the SDHI0 (connected to the
micro-SD slot)  device node along with the necessary voltage regulator.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

---
This patch is against the 'renesas-devel-20160830-v4.8-rc4' of Simon Horman's
'renesas.git' repo plus the CAN patch posted yesterday.
Starting with this patch, SMSC LAN89218 Ethernet chip starts to misbehave on my
board...

 arch/arm/boot/dts/r8a7792-wheat.dts |   26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

Index: renesas/arch/arm/boot/dts/r8a7792-wheat.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7792-wheat.dts
+++ renesas/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -11,6 +11,7 @@
 
 /dts-v1/;
 #include "r8a7792.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Wheat";
@@ -54,6 +55,17 @@
 		pinctrl-0 = <&lan89218_pins>;
 		pinctrl-names = "default";
 	};
+
+	vcc_sdhi0: regulator-vcc-sdhi0 {
+		compatible = "regulator-fixed";
+
+		regulator-name = "SDHI0 Vcc";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
 };
 
 &extal_clk {
@@ -86,6 +98,11 @@
 		groups = "can1_data";
 		function = "can1";
 	};
+
+	sdhi0_pins: sdhi0 {
+		groups = "sdhi0_data4", "sdhi0_ctrl";
+		function = "sdhi0";
+	};
 };
 
 &scif0 {
@@ -108,3 +125,12 @@
 
 	status = "okay";
 };
+
+&sdhi0 {
+	pinctrl-0 = <&sdhi0_pins>;
+	pinctrl-names = "default";
+
+	vmmc-supply = <&vcc_sdhi0>;
+	cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};

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Re: [PATCH] ARM: dts: wheat: add SDHI0 support

[Geert Uytterhoeven]

Hi Sergei,

On Wed, Aug 31, 2016 at 12:24 AM, Sergei Shtylyov
<sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> wrote:
> Define the Wheat board dependent  part of  the SDHI0 (connected to the
> micro-SD slot)  device node along with the necessary voltage regulator.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
>
> ---
> This patch is against the 'renesas-devel-20160830-v4.8-rc4' of Simon Horman's
> 'renesas.git' repo plus the CAN patch posted yesterday.
> Starting with this patch, SMSC LAN89218 Ethernet chip starts to misbehave on my
> board...

Are GP11_11 or GP11_12 connected to the Ethernet chip?
Does the misbehaving go away if you drop
  - cd-gpios?
  - The regulator?
  - sdhi0-pins (there may be a bug in the pfc register bit definitions)?

>  arch/arm/boot/dts/r8a7792-wheat.dts |   26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>
> Index: renesas/arch/arm/boot/dts/r8a7792-wheat.dts
> ===================================================================
> --- renesas.orig/arch/arm/boot/dts/r8a7792-wheat.dts
> +++ renesas/arch/arm/boot/dts/r8a7792-wheat.dts
> @@ -11,6 +11,7 @@
>
>  /dts-v1/;
>  #include "r8a7792.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
>
>  / {
>         model = "Wheat";
> @@ -54,6 +55,17 @@
>                 pinctrl-0 = <&lan89218_pins>;
>                 pinctrl-names = "default";
>         };
> +
> +       vcc_sdhi0: regulator-vcc-sdhi0 {
> +               compatible = "regulator-fixed";
> +
> +               regulator-name = "SDHI0 Vcc";
> +               regulator-min-microvolt = <3300000>;
> +               regulator-max-microvolt = <3300000>;
> +
> +               gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
> +               enable-active-high;
> +       };
>  };
>
>  &extal_clk {
> @@ -86,6 +98,11 @@
>                 groups = "can1_data";
>                 function = "can1";
>         };
> +
> +       sdhi0_pins: sdhi0 {
> +               groups = "sdhi0_data4", "sdhi0_ctrl";
> +               function = "sdhi0";
> +       };
>  };
>
>  &scif0 {
> @@ -108,3 +125,12 @@
>
>         status = "okay";
>  };
> +
> +&sdhi0 {
> +       pinctrl-0 = <&sdhi0_pins>;
> +       pinctrl-names = "default";
> +
> +       vmmc-supply = <&vcc_sdhi0>;
> +       cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
> +       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] ARM: dts: wheat: add SDHI0 support

[Sergei Shtylyov]

Hello.

On 08/31/2016 01:24 AM, Sergei Shtylyov wrote:

> Define the Wheat board dependent  part of  the SDHI0 (connected to the
> micro-SD slot)  device node along with the necessary voltage regulator.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
>
> ---
> This patch is against the 'renesas-devel-20160830-v4.8-rc4' of Simon Horman's
> 'renesas.git' repo plus the CAN patch posted yesterday.
> Starting with this patch, SMSC LAN89218 Ethernet chip starts to misbehave on my
> board...

    Fortunately, this ill effect has been fixed by Jeremy Lintion's smsc911x 
driver patches that should hit Linus' tree soon (they're alredy in DaveM's 
net.git)...

MBR, Sergei

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Re: [PATCH] ARM: dts: wheat: add SDHI0 support

[Simon Horman]

On Sun, Sep 04, 2016 at 12:49:12AM +0300, Sergei Shtylyov wrote:
> Hello.
> 
> On 08/31/2016 01:24 AM, Sergei Shtylyov wrote:
> 
> >Define the Wheat board dependent  part of  the SDHI0 (connected to the
> >micro-SD slot)  device node along with the necessary voltage regulator.
> >
> >Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

Thanks, I have queued this up.

> >---
> >This patch is against the 'renesas-devel-20160830-v4.8-rc4' of Simon Horman's
> >'renesas.git' repo plus the CAN patch posted yesterday.
> >Starting with this patch, SMSC LAN89218 Ethernet chip starts to misbehave on my
> >board...
> 
>    Fortunately, this ill effect has been fixed by Jeremy Lintion's smsc911x
> driver patches that should hit Linus' tree soon (they're alredy in DaveM's
> net.git)...

[PATCH v2] ARM: dts: wheat: add DU support

[Sergei Shtylyov]

Define  the  Wheat board dependent  part of the DU device node.
Add the device nodes for the Analog Devices ADV7513 HDMI transmitters
connected to DU0/1.  Add the necessary subnodes to interconnect DU with
HDMI transmitters/connectors.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

---
The patch is against the 'renesas-devel-20160919-v4.8-rc7' of Simon Horman's
'renesas.git' repo...
The patch depends on the 2 DRM patches (already merged by the maintainers) in
order to work correctly.

Changes in version 2:
- refreshed the patch.

 arch/arm/boot/dts/r8a7792-wheat.dts |  126 ++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)

Index: renesas/arch/arm/boot/dts/r8a7792-wheat.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7792-wheat.dts
+++ renesas/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -86,6 +86,34 @@
 		gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
+
+	hdmi-out0 {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con0: endpoint {
+				remote-endpoint = <&adv7513_0_out>;
+			};
+		};
+	};
+
+	hdmi-out1 {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con1: endpoint {
+				remote-endpoint = <&adv7513_1_out>;
+			};
+		};
+	};
+
+	osc2_clk: osc2 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <74250000>;
+	};
 };
 
 &extal_clk {
@@ -128,6 +156,16 @@
 		groups = "qspi_ctrl", "qspi_data4";
 		function = "qspi";
 	};
+
+	du0_pins: du0 {
+		groups = "du0_rgb888", "du0_sync", "du0_disp";
+		function = "du0";
+	};
+
+	du1_pins: du1 {
+		groups = "du1_rgb666", "du1_sync", "du1_disp";
+		function = "du1";
+	};
 };
 
 &scif0 {
@@ -196,4 +234,92 @@
 			};
 		};
 	};
+};
+
+&i2c4 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	hdmi@3d {
+		compatible = "adi,adv7513";
+		reg = <0x3d>;
+
+		adi,input-depth = <8>;
+		adi,input-colorspace = "rgb";
+		adi,input-clock = "1x";
+		adi,input-style = <1>;
+		adi,input-justification = "evenly";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				adv7513_0_in: endpoint {
+					remote-endpoint = <&du_out_rgb0>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				adv7513_0_out: endpoint {
+					remote-endpoint = <&hdmi_con0>;
+				};
+			};
+		};
+	};
+
+	hdmi@39 {
+		compatible = "adi,adv7513";
+		reg = <0x39>;
+
+		adi,input-depth = <8>;
+		adi,input-colorspace = "rgb";
+		adi,input-clock = "1x";
+		adi,input-style = <1>;
+		adi,input-justification = "evenly";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				adv7513_1_in: endpoint {
+					remote-endpoint = <&du_out_rgb1>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				adv7513_1_out: endpoint {
+					remote-endpoint = <&hdmi_con1>;
+				};
+			};
+		};
+	};
+};
+
+&du {
+	pinctrl-0 = <&du0_pins &du1_pins>;
+	pinctrl-names = "default";
+
+	clocks = <&mstp7_clks R8A7792_CLK_DU0>, <&mstp7_clks R8A7792_CLK_DU1>,
+		 <&osc2_clk>;
+	clock-names = "du.0", "du.1", "dclkin.0";
+	status = "okay";
+
+	ports {
+		port@0 {
+			endpoint {
+				remote-endpoint = <&adv7513_0_in>;
+			};
+		};
+		port@1 {
+			endpoint {
+				remote-endpoint = <&adv7513_1_in>;
+			};
+		};
+	};
 };

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Re: [PATCH v2] ARM: dts: wheat: add DU support

[Simon Horman]

On Fri, Sep 23, 2016 at 12:06:43AM +0300, Sergei Shtylyov wrote:
> Define  the  Wheat board dependent  part of the DU device node.
> Add the device nodes for the Analog Devices ADV7513 HDMI transmitters
> connected to DU0/1.  Add the necessary subnodes to interconnect DU with
> HDMI transmitters/connectors.
> 
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

Thanks, I have queued this up.

[PATCH] ARM: dts: wheat: add DU support

[Sergei Shtylyov]

Define  the  Wheat board dependent  part of the DU device node.
Add the device nodes for the Analog Devices ADV7513 HDMI transmitters
connected to DU0/1.  Add the necessary subnodes to interconnect DU with
HDMI transmitters/connectors.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

---
This patch is against the 'renesas-devel-20160901-v4.8-rc4' of Simon Horman's
'renesas.git' repo plus the Wheat CAN and SDHI patches posted earlier...
The path depends on the 2 DRM patches just posted in order to work correctly!

 arch/arm/boot/dts/r8a7792-wheat.dts |  126 ++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)

Index: renesas/arch/arm/boot/dts/r8a7792-wheat.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7792-wheat.dts
+++ renesas/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -66,6 +66,34 @@
 		gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
+
+	hdmi-out0 {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con0: endpoint {
+				remote-endpoint = <&adv7513_0_out>;
+			};
+		};
+	};
+
+	hdmi-out1 {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con1: endpoint {
+				remote-endpoint = <&adv7513_1_out>;
+			};
+		};
+	};
+
+	osc2_clk: osc2 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <74250000>;
+	};
 };
 
 &extal_clk {
@@ -103,6 +131,16 @@
 		groups = "sdhi0_data4", "sdhi0_ctrl";
 		function = "sdhi0";
 	};
+
+	du0_pins: du0 {
+		groups = "du0_rgb888", "du0_sync", "du0_disp";
+		function = "du0";
+	};
+
+	du1_pins: du1 {
+		groups = "du1_rgb666", "du1_sync", "du1_disp";
+		function = "du1";
+	};
 };
 
 &scif0 {
@@ -134,3 +172,91 @@
 	cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
 	status = "okay";
 };
+
+&i2c4 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	hdmi@3d {
+		compatible = "adi,adv7513";
+		reg = <0x3d>;
+
+		adi,input-depth = <8>;
+		adi,input-colorspace = "rgb";
+		adi,input-clock = "1x";
+		adi,input-style = <1>;
+		adi,input-justification = "evenly";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				adv7513_0_in: endpoint {
+					remote-endpoint = <&du_out_rgb0>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				adv7513_0_out: endpoint {
+					remote-endpoint = <&hdmi_con0>;
+				};
+			};
+		};
+	};
+
+	hdmi@39 {
+		compatible = "adi,adv7513";
+		reg = <0x39>;
+
+		adi,input-depth = <8>;
+		adi,input-colorspace = "rgb";
+		adi,input-clock = "1x";
+		adi,input-style = <1>;
+		adi,input-justification = "evenly";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				adv7513_1_in: endpoint {
+					remote-endpoint = <&du_out_rgb1>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				adv7513_1_out: endpoint {
+					remote-endpoint = <&hdmi_con1>;
+				};
+			};
+		};
+	};
+};
+
+&du {
+	pinctrl-0 = <&du0_pins &du1_pins>;
+	pinctrl-names = "default";
+
+	clocks = <&mstp7_clks R8A7792_CLK_DU0>, <&mstp7_clks R8A7792_CLK_DU1>,
+		 <&osc2_clk>;
+	clock-names = "du.0", "du.1", "dclkin.0";
+	status = "okay";
+
+	ports {
+		port@0 {
+			endpoint {
+				remote-endpoint = <&adv7513_0_in>;
+			};
+		};
+		port@1 {
+			endpoint {
+				remote-endpoint = <&adv7513_1_in>;
+			};
+		};
+	};
+};

Re: [PATCH] ARM: dts: wheat: add DU support

[Sergei Shtylyov]

On 09/02/2016 12:29 AM, Sergei Shtylyov wrote:

> Define  the  Wheat board dependent  part of the DU device node.
> Add the device nodes for the Analog Devices ADV7513 HDMI transmitters
> connected to DU0/1.  Add the necessary subnodes to interconnect DU with
> HDMI transmitters/connectors.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
>
> ---
> This patch is against the 'renesas-devel-20160901-v4.8-rc4' of Simon Horman's
> 'renesas.git' repo plus the Wheat CAN and SDHI patches posted earlier...
> The path depends on the 2 DRM patches just posted in order to work correctly!

    In principle, both these patches have been queued by the maintainers... 
Simon, are you going to wait till they hit media_tree.git? Linus' tree?

MBR, Sergei

Re: [PATCH] ARM: dts: wheat: add DU support

[Simon Horman]

On Mon, Sep 12, 2016 at 08:52:40PM +0300, Sergei Shtylyov wrote:
> On 09/02/2016 12:29 AM, Sergei Shtylyov wrote:
> 
> >Define  the  Wheat board dependent  part of the DU device node.
> >Add the device nodes for the Analog Devices ADV7513 HDMI transmitters
> >connected to DU0/1.  Add the necessary subnodes to interconnect DU with
> >HDMI transmitters/connectors.
> >
> >Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> >
> >---
> >This patch is against the 'renesas-devel-20160901-v4.8-rc4' of Simon Horman's
> >'renesas.git' repo plus the Wheat CAN and SDHI patches posted earlier...
> >The path depends on the 2 DRM patches just posted in order to work correctly!
> 
>    In principle, both these patches have been queued by the maintainers...
> Simon, are you going to wait till they hit media_tree.git? Linus' tree?

I don't think that is necessary. I was waiting for some review.
But in any case it looks like this patch no longer applies cleanly.
Could you rebase?