RE: [PATCH v2 3/3] ARM: dts: iwg20d-q7-common: Fix touch controller probe failure

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> Subject: [PATCH v2 3/3] ARM: dts: iwg20d-q7-common: Fix touch controller
> probe failure
>
> As per the iWave RZ/G1M schematic, the signal LVDS_PPEN controls supply
> voltage for touch panel, LVDS receiver and RGB LCD panel. Add regulator for
> these device nodes and remove powerdown-gpios property from lvds-
> receiver node as it results in touch controller driver probe failure.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
>  v1->v2 : Add regulator in touch panel, LVDS receiver and RGB LCD panel
> device nodes
>  v1 : https://patchwork.kernel.org/patch/11705819/
> ---
>  arch/arm/boot/dts/iwg20d-q7-common.dtsi | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm/boot/dts/iwg20d-q7-common.dtsi
> b/arch/arm/boot/dts/iwg20d-q7-common.dtsi
> index 4c8b9a6b0125..056f93119d8a 100644
> --- a/arch/arm/boot/dts/iwg20d-q7-common.dtsi
> +++ b/arch/arm/boot/dts/iwg20d-q7-common.dtsi
> @@ -57,6 +57,7 @@
>
>  lvds-receiver {
>  compatible = "ti,ds90cf384a", "lvds-decoder";
> +vcc-supply = <&vcc_3v3_tft1>;

Sorry, will sent V3  for  this patch, since it is  missing removal of powerdown-gpios property.

>  ports {
>  #address-cells = <1>;
> @@ -80,6 +81,7 @@
>  panel {
>  compatible = "edt,etm0700g0dh6";
>  backlight = <&lcd_backlight>;
> +power-supply = <&vcc_3v3_tft1>;
>
>  port {
>  panel_in: endpoint {
> @@ -112,6 +114,17 @@
>  };
>  };
>
> +vcc_3v3_tft1: regulator-panel {
> +compatible = "regulator-fixed";
> +
> +regulator-name = "Panel Vcc";
> +regulator-min-microvolt = <3300000>;
> +regulator-max-microvolt = <3300000>;
> +enable-active-high;
> +startup-delay-us = <70000>;
> +gpio = <&gpio7 25 GPIO_ACTIVE_HIGH>;
> +};
> +
>  vcc_sdhi1: regulator-vcc-sdhi1 {
>  compatible = "regulator-fixed";
>
> @@ -206,6 +219,7 @@
>  reg = <0x38>;
>  interrupt-parent = <&gpio2>;
>  interrupts = <12 IRQ_TYPE_EDGE_FALLING>;
> +vcc-supply = <&vcc_3v3_tft1>;
>  };
>  };
>
> --
> 2.17.1



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