Am 28.07.2015 um 14:54 schrieb Srinivas Kandagatla:
> This patch adds LVDS panel for IFC6410.
>
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxx>
> [Rob Clark: WIP patch]
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/qcom-apq8064-ifc6410.dts | 66 ++++++++++++++++++++++++++++++
> 1 file changed, 66 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> index 1ab71f1..3bdac02 100644
> --- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> +++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> @@ -63,6 +63,12 @@
> qcom,switch-mode-frequency = <3200000>;
> };
>
> + pm8921_l2: l2 {
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + bias-pull-down;
> + };
> +
> pm8921_l3: l3 {
> regulator-min-microvolt = <3050000>;
> regulator-max-microvolt = <3300000>;
> @@ -96,6 +102,10 @@
> pm8921_lvs1: lvs1 {
> bias-pull-down;
> };
> +
> + pm8921_lvs7: lvs7 {
> + bias-pull-down;
> + };
> };
> };
>
> @@ -119,6 +129,41 @@
>
> mdp: qcom,mdp@5100000 {
> status = "okay";
> + qcom,lvds-panel = <&panel>;
In my testing this broke/uglified HDMI output. Since not everyone has
that LVDS panel attached, or might have a different panel type, I don't
think the panel node belongs in the generic -ifc6410.dts file.
I suggest you add an -ifc6410+inforce-lvds.dts or so for that.
> + lvds-vccs-3p3v-supply = <&ext_3p3v>;
> + lvds-pll-vdda-supply = <&pm8921_l2>;
> + lvds-vdda-supply = <&pm8921_lvs7>;
> + };
> +
> + panel_3p3v: panel_3p3v {
s/_/-/ ?
> + compatible = "regulator-fixed";
> + pinctrl-0 = <&disp_en_gpios>;
> + pinctrl-names = "default";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "panel_en_3p3v";
> + regulator-type = "voltage";
> + startup-delay-us = <0>;
> + gpio = <&pm8921_gpio 36 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-boot-on;
> + };
> +
> + backlight: backlight{
> + pinctrl-0 = <&pwm_bl_gpios>;
> + pinctrl-names = "default";
> + compatible = "gpio-backlight";
> + gpios = <&pm8921_gpio 26 GPIO_ACTIVE_HIGH>;
> + default-on;
> + };
> +
> + panel: auo,b101xtn01 {
panel: panel { ?
Regards,
Andreas
> + status = "okay";
> + compatible = "auo,b101xtn01";
> +
> + ddc-i2c-bus = <&i2c3>;
> + backlight = <&backlight>;
> + power-supply = <&panel_3p3v>;
> };
>
> gsbi3: gsbi@16200000 {
> @@ -235,6 +280,27 @@
> pm8921_gpio: gpio@150 {
> pinctrl-names = "default";
> pinctrl-0 = <&wlan_default_gpios>;
> +
> + pwm_bl_gpios: pwm-bl-gpios {
> + pios {
> + pins = "gpio26";
> + bias-disable;
> + function = "normal";
> + qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>;
> + power-source = <PM8921_GPIO_S4>;
> + };
> + };
> +
> + disp_en_gpios: disp-en-gpios {
> + pios {
> + pins = "gpio36";
> + bias-disable;
> + function = "normal";
> + qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>;
> + power-source = <PM8921_GPIO_S4>;
> + };
> + };
> +
> wlan_default_gpios: wlan-gpios {
> pios {
> pins = "gpio43";
>
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