On Wed, Aug 27, 2014 at 03:48:27PM +0100, Ajay Kumar wrote: > Add DT nodes for ptn3460 bridge chip and panel. > Add backlight enable pin and backlight power supply for pwm-backlight. > Also add bridge phandle needed by dp to enable display on snow. > > Note that, snow doesn't support "chunghwa,claa101wb01" panel, > but still we choose to reuse the binding since "chunghwa,claa101wb01" > has similar LCD timings.
What does it actually have? It's fine to have "chunghwa,claa101wb01" as a fallback but we should have an identifier for the actual display, too. Thanks, Mark. > Signed-off-by: Ajay Kumar <[email protected]> > --- > Changes since V1: > -- Remove "simple-panel" compatible string. > -- Use GPIO_ACTIVE_HIGH instead of 0. > -- Change panel node naming from "panel-simple" to "panel". > > arch/arm/boot/dts/exynos5250-snow.dts | 41 > ++++++++++++++++++--------------- > 1 file changed, 22 insertions(+), 19 deletions(-) > > diff --git a/arch/arm/boot/dts/exynos5250-snow.dts > b/arch/arm/boot/dts/exynos5250-snow.dts > index f2b8c41..1ac9709 100644 > --- a/arch/arm/boot/dts/exynos5250-snow.dts > +++ b/arch/arm/boot/dts/exynos5250-snow.dts > @@ -9,6 +9,7 @@ > */ > > /dts-v1/; > +#include <dt-bindings/gpio/gpio.h> > #include "exynos5250.dtsi" > #include "exynos5250-cros-common.dtsi" > > @@ -181,7 +182,7 @@ > dcdc3 { > ti,enable-ext-control; > }; > - fet1 { > + fet1: fet1 { > regulator-name = "vcd_led"; > ti,overcurrent-wait = <3>; > }; > @@ -204,7 +205,7 @@ > regulator-always-on; > ti,overcurrent-wait = <3>; > }; > - fet6 { > + fet6: fet6 { > regulator-name = "lcd_vdd"; > ti,overcurrent-wait = <3>; > }; > @@ -253,6 +254,15 @@ > pinctrl-0 = <&max98095_en>; > pinctrl-names = "default"; > }; > + > + ptn3460: lvds-bridge@20 { > + compatible = "nxp,ptn3460"; > + reg = <0x20>; > + powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>; > + reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>; > + edid-emulation = <5>; > + panel = <&panel>; > + }; > }; > > i2s0: i2s@03830000 { > @@ -300,11 +310,13 @@ > vdd_pll-supply = <&ldo8_reg>; > }; > > - 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 = <&gpx3 0 GPIO_ACTIVE_HIGH>; > + power-supply = <&fet1>; > pinctrl-0 = <&pwm0_out>; > pinctrl-names = "default"; > }; > @@ -314,6 +326,12 @@ > samsung,invert-vclk; > }; > > + panel: panel { > + compatible = "chunghwa,claa101wb01"; > + power-supply = <&fet6>; > + backlight = <&backlight>; > + }; > + > dp-controller@145B0000 { > status = "okay"; > pinctrl-names = "default"; > @@ -325,22 +343,7 @@ > samsung,link-rate = <0x0a>; > samsung,lane-count = <2>; > samsung,hpd-gpio = <&gpx0 7 0>; > - > - display-timings { > - native-mode = <&timing1>; > - > - timing1: timing@1 { > - clock-frequency = <70589280>; > - hactive = <1366>; > - vactive = <768>; > - hfront-porch = <40>; > - hback-porch = <40>; > - hsync-len = <32>; > - vback-porch = <10>; > - vfront-porch = <12>; > - vsync-len = <6>; > - }; > - }; > + bridge = <&ptn3460>; > }; > }; > > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
