[PATCH V3] ARM: dts: Add DT changes for display on peach_pi
Ajay kumar
ajaynumb at gmail.com
Sun Aug 24 23:13:35 PDT 2014
On Mon, Aug 4, 2014 at 3:17 PM, Ajay Kumar <ajaykumar.rs at samsung.com> wrote:
> Add DT nodes for panel-simple "auo,b133htn01" panel.
> Add backlight enable pin and backlight power supply for pwm-backlight.
> Also, add panel phandle needed by dp to enable display on peach_pi.
>
> Signed-off-by: Ajay Kumar <ajaykumar.rs at samsung.com>
> ---
> Changes since V1:
> Remove "simple-panel" compatible string and use only ""auo,b133htn01".
>
> Changes since V2:
> As suggested by Andreas,
> Use GPIO_ACTIVE_HIGH for backlight enable-gpios instead of using 0.
> Change panel node naming from "panel-simple" to "panel".
>
> arch/arm/boot/dts/exynos5800-peach-pi.dts | 27 ++++++++++-----------------
> 1 file changed, 10 insertions(+), 17 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> index f3ee48b..f8c2e61 100644
> --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
> +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> @@ -28,11 +28,13 @@
> i2c20 = "/spi at 12d40000/cros-ec at 0/i2c-tunnel";
> };
>
> - backlight {
> + backlight: backlight {
> compatible = "pwm-backlight";
> pwms = <&pwm 0 1000000 0>;
> brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
> default-brightness-level = <7>;
> + enable-gpios = <&gpx2 2 GPIO_ACTIVE_HIGH>;
> + power-supply = <&tps65090_fet1>;
> pinctrl-0 = <&pwm0_out>;
> pinctrl-names = "default";
> };
> @@ -98,6 +100,12 @@
> regulator-boot-on;
> regulator-always-on;
> };
> +
> + panel: panel {
> + compatible = "auo,b133htn01";
> + power-supply = <&tps65090_fet6>;
> + backlight = <&backlight>;
> + };
> };
>
> &dp {
> @@ -111,22 +119,7 @@
> samsung,link-rate = <0x0a>;
> samsung,lane-count = <2>;
> samsung,hpd-gpio = <&gpx2 6 0>;
> -
> - display-timings {
> - native-mode = <&timing1>;
> -
> - timing1: timing at 1 {
> - clock-frequency = <150660000>;
> - hactive = <1920>;
> - vactive = <1080>;
> - hfront-porch = <60>;
> - hback-porch = <172>;
> - hsync-len = <80>;
> - vback-porch = <25>;
> - vfront-porch = <10>;
> - vsync-len = <10>;
> - };
> - };
> + panel = <&panel>;
> };
>
> &fimd {
> --
> 1.7.9.5
>
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