On 30 April 2014 01:52, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> Looks like quite a few omaps have sharp ls037v7dw01 that's configured
> as various panel dpi entries for whatever legacy reasons. For device
> tree based support, let's just configure these properly for panel
> ls037v7dw01 instead of panel dpi.
>
> This patch creates a common file for panel ls037v7dw01, and makes
> boards ldp and omap3-evm to use it. The panel for ldp is configured
> in the qvga mode and omap3-evm panel in vga mode.
>
> The ls037v7dw01 also seems to be coupled with an ad7846 touchscreen
> controller for the omaps, so let's add a basic configuration for
> the touchscreen also using the default values.
>
> Note that we can now remove the regulator-name = "vdds_dsi"
> entry for ldp, that's no longer needed as we have the entry
> for vdds_dsi-supply = <&vpll2>.
>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> .../arm/boot/dts/omap-panel-sharp-ls037v7dw01.dtsi | 82 ++++++++++++++++++++++
> arch/arm/boot/dts/omap3-evm-37xx.dts | 50 +++++++++++++
> arch/arm/boot/dts/omap3-evm-common.dtsi | 47 +++++++++++++
> arch/arm/boot/dts/omap3-ldp.dts | 31 ++++++--
> 4 files changed, 205 insertions(+), 5 deletions(-)
> create mode 100644 arch/arm/boot/dts/omap-panel-sharp-ls037v7dw01.dtsi
> diff --git a/arch/arm/boot/dts/omap3-ldp.dts b/arch/arm/boot/dts/omap3-ldp.dts
> index 0abe986..50fdac9 100644
> --- a/arch/arm/boot/dts/omap3-ldp.dts
> +++ b/arch/arm/boot/dts/omap3-ldp.dts
> @@ -164,6 +164,7 @@
>
> #include "twl4030.dtsi"
> #include "twl4030_omap3.dtsi"
> +#include "omap-panel-sharp-ls037v7dw01.dtsi"
>
> &i2c2 {
> clock-frequency = <400000>;
> @@ -173,6 +174,31 @@
> clock-frequency = <400000>;
> };
>
> +&lcd_3v3 {
> + gpio = <&twl_gpio 7 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> +};
> +
> +&lcd0 {
> + reset-gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>; /* gpio55, lcd RESB */
> + gpios = <&gpio2 24 GPIO_ACTIVE_LOW /* gpio56, lcd MO */
enable-gpios ?
> + 0 /* lcd LR */
> + 0 /* lcd UD */
> + 0>; /* lcd INI */
> +};
regards
Joachim Eastwood
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