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Message-ID: <20160916172110.GA7511@kozik-lap>
Date: Fri, 16 Sep 2016 19:21:10 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: ayaka <ayaka@...lik.info>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, devicetree@...r.kernel.org,
mark.rutland@....com, linux@...linux.org.uk, kgene@...nel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
robh@...nel.org
Subject: Re: [PATCH v6 2/3] ARM: dts: add TOPEET itop elite based board
On Fri, Sep 16, 2016 at 10:04:29PM +0800, ayaka wrote:
> On 09/16/2016 03:23 PM, Krzysztof Kozlowski wrote:
> >On 09/07/2016 11:58 PM, Randy Li wrote:
> >>The TOPEET itop exynos 4412 have three versions base board. The
> >>Elite version is the cheap one without too much peripheral devices
> >>on it.
> >>
> >>Currently supported are serial console, wired networking(USB),
> >>USB OTG in peripheral mode, USB host, SD storage, GPIO buttons,
> >>PWM beeper, ADC and LEDs. The WM8960 analog audio codec is also
> >>enabled.
> >>
> >>The FIMC is not used for camera currently, I enabled it just for a
> >>colorspace convertor.
> >>
> >>Signed-off-by: Randy Li <ayaka@...lik.info>
> >>---
> >> .../bindings/arm/samsung/samsung-boards.txt | 3 +
> >> arch/arm/boot/dts/Makefile | 1 +
> >> arch/arm/boot/dts/exynos4412-itop-elite.dts | 239 +++++++++++++++++++++
> >> 3 files changed, 243 insertions(+)
> >> create mode 100644 arch/arm/boot/dts/exynos4412-itop-elite.dts
> >>
> >>diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> >>index 0ea7f14..c7159ac 100644
> >>--- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> >>+++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> >>@@ -22,6 +22,9 @@ Required root node properties:
> >> * FriendlyARM
> >> - "friendlyarm,tiny4412" - for Exynos4412-based FriendlyARM
> >> TINY4412 board.
> >>+ * TOPEET
> >>+ - "topeet,itop4412-elite" - for Exynos4412-based TOPEET
> >>+ Elite base board.
> >> * Google
> >> - "google,pi" - for Exynos5800-based Google Peach Pi
> >>diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> >>index 207f96f..0b39d00 100644
> >>--- a/arch/arm/boot/dts/Makefile
> >>+++ b/arch/arm/boot/dts/Makefile
> >>@@ -130,6 +130,7 @@ dtb-$(CONFIG_ARCH_EXYNOS4) += \
> >> exynos4210-smdkv310.dtb \
> >> exynos4210-trats.dtb \
> >> exynos4210-universal_c210.dtb \
> >>+ exynos4412-itop-elite.dtb \
> >> exynos4412-odroidu3.dtb \
> >> exynos4412-odroidx.dtb \
> >> exynos4412-odroidx2.dtb \
> >>diff --git a/arch/arm/boot/dts/exynos4412-itop-elite.dts b/arch/arm/boot/dts/exynos4412-itop-elite.dts
> >>new file mode 100644
> >>index 0000000..dd83689
> >>--- /dev/null
> >>+++ b/arch/arm/boot/dts/exynos4412-itop-elite.dts
> >>@@ -0,0 +1,239 @@
> >>+/*
> >>+ * TOPEET's Exynos4412 based itop board device tree source
> >>+ *
> >>+ * Copyright (c) 2016 SUMOMO Computer Association
> >>+ * https://www.sumomo.mobi
> >>+ * Randy Li <ayaka@...lik.info>
> >>+ *
> >>+ * Device tree source file for TOPEET iTop Exynos 4412 core board
> >>+ * which is based on Samsung's Exynos4412 SoC.
> >>+ *
> >>+ * This program is free software; you can redistribute it and/or modify
> >>+ * it under the terms of the GNU General Public License version 2 as
> >>+ * published by the Free Software Foundation.
> >>+*/
> >>+
> >>+/dts-v1/;
> >>+#include <dt-bindings/sound/samsung-i2s.h>
> >>+#include "exynos4412-itop-scp-core.dtsi"
> >>+
> >>+/ {
> >>+ model = "TOPEET iTop 4412 Elite board based on Exynos4412";
> >>+ compatible = "topeet,itop4412-elite", "samsung,exynos4412", "samsung,exynos4";
> >>+
> >>+ chosen {
> >>+ bootargs = "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait";
> >>+ stdout-path = "serial2:115200n8";
> >>+ };
> >>+
> >>+ leds {
> >>+ compatible = "gpio-leds";
> >>+
> >>+ led2 {
> >>+ label = "red:system";
> >>+ gpios = <&gpx1 0 GPIO_ACTIVE_HIGH>;
> >>+ default-state = "off";
> >>+ linux,default-trigger = "heartbeat";
> >>+ };
> >>+
> >>+ led3 {
> >>+ label = "red:user";
> >>+ gpios = <&gpk1 1 GPIO_ACTIVE_HIGH>;
> >>+ default-state = "off";
> >>+ };
> >>+ };
> >>+
> >>+ gpio-keys {
> >>+ compatible = "gpio-keys";
> >>+
> >>+ home {
> >>+ label = "GPIO Key Home";
> >>+ linux,code = <KEY_HOME>;
> >>+ gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
> >>+ };
> >>+
> >>+ back {
> >>+ label = "GPIO Key Back";
> >>+ linux,code = <KEY_BACK>;
> >>+ gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
> >>+ };
> >>+
> >>+ sleep {
> >>+ label = "GPIO Key Sleep";
> >>+ linux,code = <KEY_POWER>;
> >>+ gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
> >>+ };
> >>+
> >>+ vol-up {
> >>+ label = "GPIO Key Vol+";
> >>+ linux,code = <KEY_UP>;
> >>+ gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
> >>+ };
> >>+
> >>+ vol-down {
> >>+ label = "GPIO Key Vol-";
> >>+ linux,code = <KEY_DOWN>;
> >>+ gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
> >>+ };
> >>+ };
> >>+
> >>+ sound {
> >>+ compatible = "simple-audio-card";
> >>+ simple-audio-card,name = "wm-sound";
> >>+
> >>+ assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
> >>+ <&clock_audss EXYNOS_MOUT_I2S>,
> >>+ <&clock_audss EXYNOS_DOUT_SRP>,
> >>+ <&clock_audss EXYNOS_DOUT_AUD_BUS>;
> >>+ assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
> >>+ <&clock_audss EXYNOS_MOUT_AUDSS>;
> >>+ assigned-clock-rates = <0>,
> >>+ <0>,
> >>+ <112896000>,
> >>+ <11289600>;
> >>+
> >>+ simple-audio-card,format = "i2s";
> >>+ simple-audio-card,bitclock-master = <&link0_codec>;
> >>+ simple-audio-card,frame-master = <&link0_codec>;
> >>+
> >>+ simple-audio-card,widgets =
> >>+ "Microphone", "Mic Jack",
> >>+ "Line", "Line In",
> >>+ "Line", "Line Out",
> >>+ "Speaker", "Speaker",
> >>+ "Headphone", "Headphone Jack";
> >>+ simple-audio-card,routing =
> >>+ "Headphone Jack", "HP_L",
> >>+ "Headphone Jack", "HP_R",
> >>+ "Speaker", "SPK_LP",
> >>+ "Speaker", "SPK_LN",
> >>+ "Speaker", "SPK_RP",
> >>+ "Speaker", "SPK_RN",
> >>+ "LINPUT1", "Mic Jack",
> >>+ "LINPUT3", "Mic Jack",
> >>+ "RINPUT1", "Mic Jack",
> >>+ "RINPUT2", "Mic Jack";
> >>+
> >>+ simple-audio-card,cpu {
> >>+ sound-dai = <&i2s0 0>;
> >>+ };
> >>+
> >>+ link0_codec: simple-audio-card,codec {
> >>+ sound-dai = <&codec>;
> >>+ clocks = <&i2s0 CLK_I2S_CDCLK>;
> >>+ system-clock-frequency = <11289600>;
> >>+ };
> >>+ };
> >>+
> >>+ beep {
> >>+ compatible = "pwm-beeper";
> >>+ pwms = <&pwm 0 4000000 PWM_POLARITY_INVERTED>;
> >I have serious doubts that you run this code... if it does not even
> >compile. Sorry, I cannot accept code that does not compile and was not
> >tested.
> >
> >Please, test your DTS on top of current Linux tree, which would be one of:
> >1. Linus' master branch: v4.8-rc6,
> >2. one of my branches (for-next, next/dt etc),
> When I sent those patches, I tested in "Add linux-next specific files for
> 20160907"
OK, good, but please tell me why kbuild reported that build error?
Best regards,
Krzysztof
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