Hi,
Am 01.08.2014 18:24, schrieb Ajay Kumar:
> 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...@samsung.com>
> ---
> Changes since V1:
> Remove "simple-panel" compatible string and use only ""auo,b133htn01".
>
> 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@12d40000/cros-ec@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 0>;
For Spring I was asked to use GPIO_ACTIVE_* - here that would mean
s/0/GPIO_ACTIVE_HIGH/ IIUC and if necessary
#include <dt-bindings/gpio/gpio.h> before the .dtsi #include.
A modified version of your patch for Snow, rebased onto my cleanups, can
be found on my spring-next branch.
> + power-supply = <&tps65090_fet1>;
> pinctrl-0 = <&pwm0_out>;
> pinctrl-names = "default";
> };
> @@ -98,6 +100,12 @@
> regulator-boot-on;
> regulator-always-on;
> };
> +
> + panel: panel-simple {
Nit: panel-simple seems backwards in English language, and given that
simple-panel would be referring to the implementation, I used just
"panel" for Spring.
> + compatible = "auo,b133htn01";
FWIW this depends on auo,b133htn01 getting added to Documentation and
panel-simple, which I think hasn't happened yet?
https://patchwork.kernel.org/patch/4625321/
> + 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@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 {
Regards,
Andreas
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