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Message-ID: <CAD=FV=VK0KJknJ2099S7fEDzBnpPCrpSZ36WPkJB156GpcyEfg@mail.gmail.com>
Date: Fri, 25 Jul 2014 09:02:56 -0700
From: Doug Anderson <dianders@...omium.org>
To: Andreas Färber <afaerber@...e.de>
Cc: linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
Stephan van Schaik <stephan@...khronix.com>,
Vincent Palatin <vpalatin@...omium.org>,
Ben Dooks <ben-linux@...ff.org>,
Kukjin Kim <kgene.kim@...sung.com>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Russell King <linux@....linux.org.uk>,
"moderated list:ARM/SAMSUNG ARM A..."
<linux-arm-kernel@...ts.infradead.org>,
"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/4] ARM: dts: exynos5250: Fold common ChromeOS parts
into Snow
Andreas,
On Fri, Jul 18, 2014 at 10:20 AM, Andreas Färber <afaerber@...e.de> wrote:
> The remaining pieces are fairly minor.
>
> Suggested-by: Doug Anderson <dianders@...omium.org>
> Signed-off-by: Andreas Färber <afaerber@...e.de>
> ---
> v2: New (Doug Anderson)
>
> arch/arm/boot/dts/exynos5250-cros-common.dtsi | 164 -------------------------
> arch/arm/boot/dts/exynos5250-snow.dts | 169 ++++++++++++++++++++++----
> 2 files changed, 148 insertions(+), 185 deletions(-)
> delete mode 100644 arch/arm/boot/dts/exynos5250-cros-common.dtsi
>
> diff --git a/arch/arm/boot/dts/exynos5250-cros-common.dtsi b/arch/arm/boot/dts/exynos5250-cros-common.dtsi
> deleted file mode 100644
> index e603e9c..0000000
> --- a/arch/arm/boot/dts/exynos5250-cros-common.dtsi
> +++ /dev/null
> @@ -1,164 +0,0 @@
> -/*
> - * Common device tree include for all Exynos 5250 boards based off of Daisy.
> - *
> - * Copyright (c) 2012 Google, Inc
> - *
> - * 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.
> -*/
> -
> -/ {
> - aliases {
> - };
> -
> - memory {
> - reg = <0x40000000 0x80000000>;
> - };
> -
> - chosen {
> - };
> -
> - pinctrl@...00000 {
> - /*
> - * Disabled pullups since external part has its own pullups and
> - * double-pulling gets us out of spec in some cases.
> - */
> - i2c2_bus: i2c2-bus {
> - samsung,pin-pud = <0>;
> - };
> - };
> -
> - i2c@...60000 {
> - status = "okay";
> - samsung,i2c-sda-delay = <100>;
> - samsung,i2c-max-bus-freq = <378000>;
> - };
> -
> - i2c@...70000 {
> - status = "okay";
> - samsung,i2c-sda-delay = <100>;
> - samsung,i2c-max-bus-freq = <378000>;
> - };
> -
> - i2c@...80000 {
> - status = "okay";
> - samsung,i2c-sda-delay = <100>;
> - samsung,i2c-max-bus-freq = <66000>;
> -
> - hdmiddc@50 {
> - compatible = "samsung,exynos4210-hdmiddc";
> - reg = <0x50>;
> - };
> - };
> -
> - i2c@...90000 {
> - status = "okay";
> - samsung,i2c-sda-delay = <100>;
> - samsung,i2c-max-bus-freq = <66000>;
> - };
> -
> - i2c@...A0000 {
> - status = "okay";
> - samsung,i2c-sda-delay = <100>;
> - samsung,i2c-max-bus-freq = <66000>;
> - };
> -
> - i2c@...B0000 {
> - status = "okay";
> - samsung,i2c-sda-delay = <100>;
> - samsung,i2c-max-bus-freq = <66000>;
> - };
> -
> - i2c@...D0000 {
> - status = "okay";
> - samsung,i2c-sda-delay = <100>;
> - samsung,i2c-max-bus-freq = <66000>;
> - };
> -
> - i2c@...E0000 {
> - status = "okay";
> - samsung,i2c-sda-delay = <100>;
> - samsung,i2c-max-bus-freq = <378000>;
> -
> - hdmiphy: hdmiphy@38 {
> - compatible = "samsung,exynos4212-hdmiphy";
> - reg = <0x38>;
> - };
> - };
> -
> - mmc@...00000 {
> - num-slots = <1>;
> - supports-highspeed;
> - broken-cd;
> - card-detect-delay = <200>;
> - samsung,dw-mshc-ciu-div = <3>;
> - samsung,dw-mshc-sdr-timing = <2 3>;
> - samsung,dw-mshc-ddr-timing = <1 2>;
> - pinctrl-names = "default";
> - pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
> -
> - slot@0 {
> - reg = <0>;
> - bus-width = <8>;
> - };
> - };
> -
> - mmc@...20000 {
> - num-slots = <1>;
> - supports-highspeed;
> - card-detect-delay = <200>;
> - samsung,dw-mshc-ciu-div = <3>;
> - samsung,dw-mshc-sdr-timing = <2 3>;
> - samsung,dw-mshc-ddr-timing = <1 2>;
> - pinctrl-names = "default";
> - pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
> -
> - slot@0 {
> - reg = <0>;
> - bus-width = <4>;
> - wp-gpios = <&gpc2 1 0>;
> - };
> - };
> -
> - mmc@...30000 {
> - num-slots = <1>;
> - supports-highspeed;
> - broken-cd;
> - card-detect-delay = <200>;
> - samsung,dw-mshc-ciu-div = <3>;
> - samsung,dw-mshc-sdr-timing = <2 3>;
> - samsung,dw-mshc-ddr-timing = <1 2>;
> - /* See board-specific dts files for pin setup */
> -
> - slot@0 {
> - reg = <0>;
> - bus-width = <4>;
> - };
> - };
> -
> - spi_1: spi@...30000 {
> - status = "okay";
> - samsung,spi-src-clk = <0>;
> - num-cs = <1>;
> - };
> -
> - hdmi {
> - hpd-gpio = <&gpx3 7 0>;
> - pinctrl-names = "default";
> - pinctrl-0 = <&hdmi_hpd_irq>;
> - phy = <&hdmiphy>;
> - ddc = <&i2c_2>;
> - };
> -
> - gpio-keys {
> - compatible = "gpio-keys";
> -
> - power {
> - label = "Power";
> - gpios = <&gpx1 3 1>;
> - linux,code = <116>; /* KEY_POWER */
> - gpio-key,wakeup;
> - };
> - };
> -};
> diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
> index f2b8c41..cdf74c5 100644
> --- a/arch/arm/boot/dts/exynos5250-snow.dts
> +++ b/arch/arm/boot/dts/exynos5250-snow.dts
> @@ -10,7 +10,6 @@
>
> /dts-v1/;
> #include "exynos5250.dtsi"
> -#include "exynos5250-cros-common.dtsi"
>
> / {
> model = "Google Snow";
> @@ -20,6 +19,13 @@
> i2c104 = &i2c_104;
> };
>
> + memory {
> + reg = <0x40000000 0x80000000>;
> + };
> +
> + chosen {
> + };
> +
> rtc@...E0000 {
> status = "okay";
> };
> @@ -93,6 +99,13 @@
> gpio-keys {
> compatible = "gpio-keys";
>
> + power {
> + label = "Power";
> + gpios = <&gpx1 3 1>;
> + linux,code = <116>; /* KEY_POWER */
> + gpio-key,wakeup;
> + };
> +
> lid-switch {
> label = "Lid";
> gpios = <&gpx3 5 1>;
> @@ -226,26 +239,6 @@
> };
> };
>
> - mmc@...00000 {
> - status = "okay";
> - };
> -
> - mmc@...20000 {
> - status = "okay";
> - };
> -
> - /*
> - * On Snow we've got SIP WiFi and so can keep drive strengths low to
> - * reduce EMI.
> - */
> - mmc@...30000 {
> - status = "okay";
> - slot@0 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4>;
> - };
> - };
> -
> i2c@...D0000 {
> max98095: codec@11 {
> compatible = "maxim,max98095";
> @@ -314,6 +307,14 @@
> samsung,invert-vclk;
> };
>
> + hdmi {
> + hpd-gpio = <&gpx3 7 0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&hdmi_hpd_irq>;
> + phy = <&hdmiphy>;
> + ddc = <&i2c_2>;
> + };
> +
> dp-controller@...B0000 {
> status = "okay";
> pinctrl-names = "default";
> @@ -345,6 +346,10 @@
> };
>
> &i2c_0 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <378000>;
> +
> max77686@09 {
> compatible = "maxim,max77686";
> interrupt-parent = <&gpx3>;
> @@ -491,6 +496,10 @@
> };
>
> &i2c_1 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <378000>;
> +
> trackpad {
> reg = <0x67>;
> compatible = "cypress,cyapa";
> @@ -500,7 +509,119 @@
> };
> };
>
> +&i2c_2 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <66000>;
> +
> + hdmiddc@50 {
> + compatible = "samsung,exynos4210-hdmiddc";
> + reg = <0x50>;
> + };
> +};
> +
> +&i2c_3 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <66000>;
> +};
> +
> +&i2c_4 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <66000>;
> +};
> +
> +&i2c_5 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <66000>;
> +};
> +
> +&i2c_7 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <66000>;
> +};
> +
> +&i2c_8 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <378000>;
> +
> + hdmiphy: hdmiphy@38 {
> + compatible = "samsung,exynos4212-hdmiphy";
> + reg = <0x38>;
> + };
> +};
> +
> +&mmc_0 {
> + status = "okay";
> + num-slots = <1>;
> + supports-highspeed;
> + broken-cd;
> + card-detect-delay = <200>;
> + samsung,dw-mshc-ciu-div = <3>;
> + samsung,dw-mshc-sdr-timing = <2 3>;
> + samsung,dw-mshc-ddr-timing = <1 2>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
> +
> + slot@0 {
> + reg = <0>;
> + bus-width = <8>;
> + };
> +};
> +
> +&mmc_2 {
> + status = "okay";
> + num-slots = <1>;
> + supports-highspeed;
> + card-detect-delay = <200>;
> + samsung,dw-mshc-ciu-div = <3>;
> + samsung,dw-mshc-sdr-timing = <2 3>;
> + samsung,dw-mshc-ddr-timing = <1 2>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
> +
> + slot@0 {
> + reg = <0>;
> + bus-width = <4>;
> + wp-gpios = <&gpc2 1 0>;
> + };
> +};
> +
> +/*
> + * On Snow we've got SIP WiFi and so can keep drive strengths low to
> + * reduce EMI.
> + */
> +&mmc_3 {
> + status = "okay";
> + num-slots = <1>;
> + supports-highspeed;
> + broken-cd;
> + card-detect-delay = <200>;
> + samsung,dw-mshc-ciu-div = <3>;
> + samsung,dw-mshc-sdr-timing = <2 3>;
> + samsung,dw-mshc-ddr-timing = <1 2>;
> +
> + slot@0 {
> + reg = <0>;
> + bus-width = <4>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4>;
This actually looks like a bug on snow. I don't think these pinctrl
statements are taking effect and I think they belong at the mmc level,
not the slot level. That's not a new bug introduced by you, though.
Mind fixing it? You've already got it right for Spring mmc_1.
> + };
> +};
> +
> &pinctrl_0 {
> + /*
> + * Disabled pullups since external part has its own pullups and
> + * double-pulling gets us out of spec in some cases.
> + */
> + i2c2_bus: i2c2-bus {
> + samsung,pin-pud = <0>;
> + };
> +
> max77686_irq: max77686-irq {
> samsung,pins = "gpx3-2";
> samsung,pin-function = <0>;
> @@ -509,4 +630,10 @@
> };
> };
>
> +&spi_1 {
> + status = "okay";
> + samsung,spi-src-clk = <0>;
> + num-cs = <1>;
> +};
> +
> #include "cros-ec-keyboard.dtsi"
> --
> 1.9.3
>
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