Am 25.07.2014 21:44, schrieb Ajay Kumar:
> Add DT nodes for ptn3460 bridge chip and panel-simple panel.
"simple-panel"
> Add backlight enable pin and backlight power supply for pwm-backlight.
> Also add bridge phandle needed by dp to enable display on snow.
>
> Signed-off-by: Ajay Kumar <ajaykumar...@samsung.com>
> ---
> arch/arm/boot/dts/exynos5250-snow.dts | 40
> +++++++++++++++++----------------
> 1 file changed, 21 insertions(+), 19 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5250-snow.dts
> b/arch/arm/boot/dts/exynos5250-snow.dts
> index 6c36d41..f57f993 100644
> --- a/arch/arm/boot/dts/exynos5250-snow.dts
> +++ b/arch/arm/boot/dts/exynos5250-snow.dts
> @@ -270,7 +270,7 @@
> dcdc3 {
> ti,enable-ext-control;
> };
> - fet1 {
> + fet1: fet1 {
> regulator-name = "vcd_led";
> ti,overcurrent-wait = <3>;
> };
> @@ -293,7 +293,7 @@
> regulator-always-on;
> ti,overcurrent-wait = <3>;
> };
> - fet6 {
> + fet6: fet6 {
> regulator-name = "lcd_vdd";
> ti,overcurrent-wait = <3>;
> };
> @@ -342,6 +342,15 @@
> pinctrl-0 = <&max98095_en>;
> pinctrl-names = "default";
> };
> +
> + ptn3460: ptn3460-bridge@20 {
"lvds-bridge"? (AF)
> + compatible = "nxp,ptn3460";
> + reg = <0x20>;
> + powerdown-gpios = <&gpy2 5 0>;
> + reset-gpios = <&gpx1 5 0>;
> + edid-emulation = <5>;
> + panel = <&panel>;
> + };
> };
>
> i2s0: i2s@03830000 {
> @@ -389,11 +398,13 @@
> vdd_pll-supply = <&ldo8_reg>;
> };
>
> - 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 = <&gpx3 0 0>;
> + power-supply = <&fet1>;
> pinctrl-0 = <&pwm0_out>;
> pinctrl-names = "default";
> };
> @@ -403,6 +414,12 @@
> samsung,invert-vclk;
> };
>
> + panel: panel-simple {
Just "panel"? (AF)
> + compatible = "simple-panel";
Use something more concrete than "simple-panel"? (Thierry)
> + power-supply = <&fet6>;
> + backlight = <&backlight>;
> + };
> +
> dp-controller@145B0000 {
> status = "okay";
> pinctrl-names = "default";
> @@ -414,21 +431,6 @@
> samsung,link-rate = <0x0a>;
> samsung,lane-count = <2>;
> samsung,hpd-gpio = <&gpx0 7 0>;
> -
> - display-timings {
> - native-mode = <&timing1>;
> -
> - timing1: timing@1 {
> - clock-frequency = <70589280>;
> - hactive = <1366>;
> - vactive = <768>;
> - hfront-porch = <40>;
> - hback-porch = <40>;
> - hsync-len = <32>;
> - vback-porch = <10>;
> - vfront-porch = <12>;
> - vsync-len = <6>;
> - };
> - };
> + bridge = <&ptn3460>;
> };
> };
This patch will trivially conflict with my Snow cleanup [1]; ptn3460
would go into the appropriate &i2c_* and this hunk into &dp then.
Regards,
Andreas
[1] https://patchwork.kernel.org/patch/4664801/
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