[PATCH 0/3] arm64: dts: A64 board MMC support

[PATCH 0/3] arm64: dts: A64 board MMC support

[Andre Przywara]

These patches here go on top of Maxime's latest A64 MMC series and
enable the MMC controllers on the boards using the A64 SoC.
As the BananaPi-M64 DT now looks different, lets adds support for
that board as well, with one major difference to the Pine64 being the eMMC
chip.

I could't find commit f9ca9b952ee1 Maxime mentioned in his cover letter,
so I applied his patches on top of sunxi/for-next and cherry-picked
b4b8664d29 to fix the arm64 build.

Cheers,
Andre.

Andre Przywara (3):
  arm64: dts: Pine64: add MMC support
  arm64: dts: sun50i: add UART1 pin nodes
  arm64: dts: add BananaPi-M64 support

 arch/arm64/boot/dts/allwinner/Makefile             |   1 +
 .../boot/dts/allwinner/sun50i-a64-bananapi-m64.dts | 120 +++++++++++++++++++++
 .../arm64/boot/dts/allwinner/sun50i-a64-pine64.dts |  20 ++++
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi      |  10 ++
 4 files changed, 151 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts

-- 
2.8.2

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[PATCH 1/3] arm64: dts: Pine64: add MMC support

[Andre Przywara]

All Pine64 boards connect an micro-SD card slot to the first MMC
controller.
Enable the respective DT node and specify the (always-on) regulator
and card-detect pin.
As a micro-SD slot does not feature a write-protect switch, we disable
this feature.

Signed-off-by: Andre Przywara <andre.przywara-5wv7dgnIgG8@public.gmane.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index cf91051..c680ed3 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -44,6 +44,8 @@
 
 #include "sun50i-a64.dtsi"
 
+#include <dt-bindings/gpio/gpio.h>
+
 / {
 	model = "Pine64";
 	compatible = "pine64,pine64", "allwinner,sun50i-a64";
@@ -55,6 +57,13 @@
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	reg_vcc3v3: vcc3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
 };
 
 &ehci1 {
@@ -71,6 +80,17 @@
 	bias-pull-up;
 };
 
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
+	cd-inverted;
+	disable-wp;
+	bus-width = <4>;
+	status = "okay";
+};
+
 &ohci1 {
 	status = "okay";
 };
-- 
2.8.2

Re: [PATCH 1/3] arm64: dts: Pine64: add MMC support

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 1152 bytes --]

Hi Andre,

[auto build test ERROR on mripard/sunxi/for-next]
[also build test ERROR on next-20170110]
[cannot apply to robh/for-next v4.10-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Andre-Przywara/arm64-dts-A64-board-MMC-support/20170110-124554
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git sunxi/for-next
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

>> Error: arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts:83.1-6 Label or path mmc0 not found
>> FATAL ERROR: Syntax error parsing input tree

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 33694 bytes --]

[PATCH 2/3] arm64: dts: sun50i: add UART1 pin nodes

[Andre Przywara]

On many boards UART1 connects to a Bluetooth chip, so add the pinctrl
nodes for the only pins providing access to that UART. That includes
those pins for hardware flow control (RTS/CTS).

Signed-off-by: Andre Przywara <andre.przywara-5wv7dgnIgG8@public.gmane.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index f46ae96..419b0b1 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -234,6 +234,16 @@
 				pins = "PB8", "PB9";
 				function = "uart0";
 			};
+
+			uart1_pins: uart1_pins {
+				pins = "PG6", "PG7";
+				function = "uart1";
+			};
+
+			uart1_rts_cts_pins: uart1_rts_cts_pins {
+				pins = "PG8", "PG9";
+				function = "uart1";
+			};
 		};
 
 		uart0: serial@1c28000 {
-- 
2.8.2

[PATCH 3/3] arm64: dts: add BananaPi-M64 support

[Andre Przywara]

The Banana Pi M64 board is a typical single board computer based on the
Allwinner A64 SoC. Aside from the usual peripherals it features eMMC
storage, which is connected to the 8-bit capable SDHC2 controller.
Also it has a soldered WiFi/Bluetooth chip, so we enable UART1 and SDHC1
as those two interfaces are connected to it.

Signed-off-by: Andre Przywara <andre.przywara-5wv7dgnIgG8@public.gmane.org>
---
 arch/arm64/boot/dts/allwinner/Makefile             |   1 +
 .../boot/dts/allwinner/sun50i-a64-bananapi-m64.dts | 120 +++++++++++++++++++++
 2 files changed, 121 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 1e29a5a..bc6f342 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -1,3 +1,4 @@
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-bananapi-m64.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pine64-plus.dtb sun50i-a64-pine64.dtb
 
 always		:= $(dtb-y)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
new file mode 100644
index 0000000..6872135
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2016 ARM Ltd.
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+
+#include "sun50i-a64.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "BananaPi-M64";
+	compatible = "sinovoip,bananapi-m64", "allwinner,sun50i-a64";
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	reg_vcc3v3: vcc3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+	status = "okay";
+};
+
+&i2c1_pins {
+	bias-pull-up;
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
+	cd-inverted;
+	disable-wp;
+	bus-width = <4>;
+	status = "okay";
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <8>;
+	non-removable;
+	cap-mmc-hw-reset;
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+	status = "okay";
+};
-- 
2.8.2

Re: [PATCH 3/3] arm64: dts: add BananaPi-M64 support

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 1684 bytes --]

Hi Andre,

[auto build test ERROR on mripard/sunxi/for-next]
[also build test ERROR on next-20170110]
[cannot apply to robh/for-next v4.10-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Andre-Przywara/arm64-dts-A64-board-MMC-support/20170110-124554
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git sunxi/for-next
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

>> Error: arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts:80.1-6 Label or path mmc0 not found
>> Error: arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts:91.1-6 Label or path mmc1 not found
>> Error: arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts:100.1-6 Label or path mmc2 not found
   FATAL ERROR: Syntax error parsing input tree

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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[-- Attachment #2: .config.gz --]
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Re: [PATCH 0/3] arm64: dts: A64 board MMC support

[Maxime Ripard]

[-- Attachment #1: Type: text/plain, Size: 793 bytes --]

Hi,

On Tue, Jan 10, 2017 at 01:22:30AM +0000, Andre Przywara wrote:
> These patches here go on top of Maxime's latest A64 MMC series and
> enable the MMC controllers on the boards using the A64 SoC.
> As the BananaPi-M64 DT now looks different, lets adds support for
> that board as well, with one major difference to the Pine64 being the eMMC
> chip.
> 
> I could't find commit f9ca9b952ee1 Maxime mentioned in his cover letter,
> so I applied his patches on top of sunxi/for-next and cherry-picked
> b4b8664d29 to fix the arm64 build.

I'm fine with all your patches. I've queued them in my MMC series, and
will continue pushing them and / or merging them if it's ok for you.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

Re: [PATCH 0/3] arm64: dts: A64 board MMC support

[Andre Przywara]

Hi,

On 11/01/17 13:51, Maxime Ripard wrote:
> Hi,
> 
> On Tue, Jan 10, 2017 at 01:22:30AM +0000, Andre Przywara wrote:
>> These patches here go on top of Maxime's latest A64 MMC series and
>> enable the MMC controllers on the boards using the A64 SoC.
>> As the BananaPi-M64 DT now looks different, lets adds support for
>> that board as well, with one major difference to the Pine64 being the eMMC
>> chip.
>>
>> I could't find commit f9ca9b952ee1 Maxime mentioned in his cover letter,
>> so I applied his patches on top of sunxi/for-next and cherry-picked
>> b4b8664d29 to fix the arm64 build.
> 
> I'm fine with all your patches. I've queued them in my MMC series, and
> will continue pushing them and / or merging them if it's ok for you.

Yes, please do!

Many thanks!

Cheers,
Andre.