On Sun, Sep 18, 2016 at 09:03:48PM +0200, Krzysztof Kozlowski wrote:
> On Sun, Sep 18, 2016 at 10:27:38PM +0800, Randy Li wrote:
> > It is actually a lvds panel connected through a rga-lvds bridge.
> > The touchscreen is communicated with i2c bus but the driver is not
> > support now.
> >
> > Signed-off-by: Randy Li <ayaka@xxxxxxxxxxx>
>
> Subject: ARM: dts: exynos
>
> > ---
> > arch/arm/boot/dts/exynos4412-itop-elite.dts | 54 +++++++++++++++++++++++++++--
> > 1 file changed, 52 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/exynos4412-itop-elite.dts b/arch/arm/boot/dts/exynos4412-itop-elite.dts
> > index b08705e..9ef0505 100644
> > --- a/arch/arm/boot/dts/exynos4412-itop-elite.dts
> > +++ b/arch/arm/boot/dts/exynos4412-itop-elite.dts
> > @@ -138,6 +138,36 @@
> > assigned-clocks = <&clock CLK_MOUT_CAM0>;
> > assigned-clock-parents = <&clock CLK_XUSBXTI>;
> > };
> > +
> > + vcc_sys_lcd: sys-lcd {
>
> No underscores, use hyphens.
Ah wait, it's a label, so underscore seems ok. My mistake.
>
> > + compatible = "regulator-fixed";
> > + regulator-name = "vcc_5v";
> > + regulator-min-microvolt = <5000000>;
> > + regulator-max-microvolt = <5000000>;
> > + gpio = <&gpl0 4 GPIO_ACTIVE_HIGH>;
>
> Isn't this one of S5M8767 PMIC regulators? If so, then it should be
> defined there... On the other hand, the PMIC supports GPIO enable
> control only for buck9...
>
> > + };
> > +
> > + panel: panel@0 {
> > + compatible = "chunghwa,claa070wp03xg";
> > +
> > + power-supply = <&vcc_sys_lcd>;
> > + enable-gpios = <&gpl0 2 GPIO_ACTIVE_HIGH>;
> > + backlight = <&bl>;
> > +
> > + port {
> > + lcd_ep: endpoint {
>
> lcd-ep
No need, the same.
Best regards,
Krzysztof
>
> > + remote-endpoint = <&rga_lvds>;
> > + };
> > + };
> > + };
> > +
> > + bl: backlight {
> > + compatible = "pwm-backlight";
> > + pwms = <&pwm 1 5000000 PWM_POLARITY_INVERTED>;
> > + brightness-levels = <0 5 12 16 32 64 128 255>;
> > + default-brightness-level = <5>;
> > + power-supply = <&vcc_sys_lcd>;
> > + };
> > };
> >
> > &adc {
> > @@ -215,9 +245,9 @@
> >
> > &pwm {
> > status = "okay";
> > - pinctrl-0 = <&pwm0_out>;
> > + pinctrl-0 = <&pwm0_out &pwm1_out>;
> > pinctrl-names = "default";
> > - samsung,pwm-outputs = <0>;
> > + samsung,pwm-outputs = <0>, <1>;
> > };
> >
> > &sdhci_2 {
> > @@ -238,3 +268,23 @@
> > &serial_2 {
> > status = "okay";
> > };
> > +
> > +&i2c_3 {
> > + status = "okay";
> > +};
> > +
> > +&fimd {
>
> Please put these nodes in alphabetical order. I asked about it for
> initial DTS and it applies still.
>
> > + pinctrl-0 = <&lcd_clk &lcd_data24>;
> > + pinctrl-names = "default";
> > + status = "okay";
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + port@3 {
> > + reg = <3>;
> > + rga_lvds: endpoint {
>
> rga-lvds
>
> Best regards,
> Krzysztof
>
> > + remote-endpoint = <&lcd_ep>;
> > + };
> > + };
> > + };
> > +};
> > --
> > 2.7.4
> >
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