[PATCH 1/3] [ARM][TEGRA][PAZ00] Add simple-panel support in dts for AC100

[Peter Robinson]

On Wed, Feb 26, 2014 at 8:45 PM, Nicolas Chauvet <kwizart at gmail.com> wrote:
> This patch adds panel support for the Toshiba AC100
> Scheduled for 3.15.
>
> http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/log/arch/arm/boot/dts/tegra20-paz00.dts
> Commit-Id: 5816898b9592b877209e91c493db946ab275d825
> ---
>  arm-tegra-paz00-panel-dts.patch |   99 +++++++++++++++++++++++++++++++++++++++
>  kernel.spec                     |    5 ++
>  2 files changed, 104 insertions(+), 0 deletions(-)
>  create mode 100644 arm-tegra-paz00-panel-dts.patch
>
> diff --git a/arm-tegra-paz00-panel-dts.patch b/arm-tegra-paz00-panel-dts.patch
> new file mode 100644
> index 0000000..e64f2ce
> --- /dev/null
> +++ b/arm-tegra-paz00-panel-dts.patch
> @@ -0,0 +1,99 @@
> +From fb4a8356eb67514b10618d1e9e4059ced14c05f2 Mon Sep 17 00:00:00 2001
> +From: Marc Dietrich <marvin24 at gmx.de>
> +Date: Sat, 21 Dec 2013 21:38:13 +0100
> +Subject: [PATCH] ARM: tegra: paz00: Add LVDS support to device tree
> +
> +Add backlight and panel nodes for the PAZ00 TFT LCD panel.
> +
> +Signed-off-by: Marc Dietrich <marvin24 at gmx.de>
> +---
> + arch/arm/boot/dts/tegra20-paz00.dts |   46 ++++++++++++++++++++++++++++++++++-
> + 1 files changed, 45 insertions(+), 1 deletions(-)
> +
> +diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
> +index c7cd8e6..9a39a80 100644
> +--- a/arch/arm/boot/dts/tegra20-paz00.dts
> ++++ b/arch/arm/boot/dts/tegra20-paz00.dts
> +@@ -17,6 +17,14 @@
> +       };
> +
> +       host1x at 50000000 {
> ++              dc at 54200000 {
> ++                      rgb {
> ++                              status = "okay";
> ++
> ++                              nvidia,panel = <&panel>;
> ++                      };
> ++              };
> ++
> +               hdmi at 54280000 {
> +                       status = "okay";
> +
> +@@ -257,7 +265,11 @@
> +               status = "okay";
> +       };
> +
> +-      i2c at 7000c000 {
> ++      pwm: pwm at 7000a000 {
> ++              status = "okay";
> ++      };
> ++
> ++      lvds_ddc: i2c at 7000c000 {
> +               status = "okay";
> +               clock-frequency = <400000>;
> +
> +@@ -475,6 +487,18 @@
> +               non-removable;
> +       };
> +
> ++      backlight: backlight {
> ++              compatible = "pwm-backlight";
> ++
> ++              enable-gpios = <&gpio TEGRA_GPIO(U, 4) GPIO_ACTIVE_HIGH>;
> ++              pwms = <&pwm 0 5000000>;
> ++
> ++              brightness-levels = <0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 255>;
> ++              default-brightness-level = <10>;
> ++
> ++              backlight-boot-off;
> ++      };
> ++
> +       clocks {
> +               compatible = "simple-bus";
> +               #address-cells = <1>;
> +@@ -509,6 +533,16 @@
> +               };
> +       };
> +
> ++      panel: panel {
> ++              compatible = "samsung,ltn101nt05", "simple-panel";
> ++
> ++              ddc-i2c-bus = <&lvds_ddc>;
> ++              power-supply = <&vdd_pnl_reg>;
> ++              enable-gpios = <&gpio TEGRA_GPIO(M, 6) GPIO_ACTIVE_HIGH>;
> ++
> ++              backlight = <&backlight>;
> ++      };
> ++
> +       regulators {
> +               compatible = "simple-bus";
> +               #address-cells = <1>;
> +@@ -522,6 +556,16 @@
> +                       regulator-max-microvolt = <5000000>;
> +                       regulator-always-on;
> +               };
> ++
> ++              vdd_pnl_reg: regulator at 1 {
> ++                      compatible = "regulator-fixed";
> ++                      reg = <1>;
> ++                      regulator-name = "+3VS,vdd_pnl";
> ++                      regulator-min-microvolt = <3300000>;
> ++                      regulator-max-microvolt = <3300000>;
> ++                      gpio = <&gpio TEGRA_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
> ++                      enable-active-high;
> ++              };
> +       };
> +
> +       sound {
> +--
> +1.7.1
> diff --git a/kernel.spec b/kernel.spec
> index 55abdf4..7d725de 100644
> --- a/kernel.spec
> +++ b/kernel.spec
> @@ -598,6 +598,10 @@ Patch21010: arm-omap-load-tfp410.patch
>  # ARM tegra
>  Patch21020: arm-tegra-usb-no-reset-linux33.patch
>
> +# Add panel support for tegra paz00
> +# Backported from linux-next scheduled for 3.15
> +Patch21021: arm-tegra-paz00-panel-dts.patch
> +
>  # ARM i.MX6
>  # http://www.spinics.net/lists/devicetree/msg08276.html
>  Patch21030: arm-imx6-utilite.patch
> @@ -1161,6 +1165,7 @@ ApplyPatch arm-lpae-ax88796.patch
>  ApplyPatch arm-sound-soc-samsung-dma-avoid-another-64bit-division.patch
>  ApplyPatch arm-omap-load-tfp410.patch
>  ApplyPatch arm-tegra-usb-no-reset-linux33.patch
> +ApplyPatch arm-tegra-paz00-panel-dts.patch
>  ApplyPatch arm-imx6-utilite.patch
>

ACK