Add DT nodes for ps8622 bridge chip and panel.
Add backlight power supply for pwm-backlight.
Also add bridge phandle needed by dp to enable display on peach_pit.
Note that, peach_pit doesn't support "chunghwa,claa101wb01" panel,
but still we choose to reuse the binding since "chunghwa,claa101wb01"
has similar LCD timings.
Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
---
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/exynos5420-peach-pit.dts | 36 +++++++++++++++-------------
1 file changed, 19 insertions(+), 17 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 228a6b1..1070a31 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -30,11 +30,12 @@
i2c20 = "/spi@12d40000/cros-ec@0/i2c-tunnel";
};
- 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>;
+ power-supply = <&tps65090_fet1>;
pinctrl-0 = <&pwm0_out>;
pinctrl-names = "default";
};
@@ -100,6 +101,12 @@
regulator-boot-on;
regulator-always-on;
};
+
+ panel: panel {
+ compatible = "chunghwa,claa101wb01";
+ power-supply = <&tps65090_fet6>;
+ backlight = <&backlight>;
+ };
};
&dp {
@@ -113,22 +120,7 @@
samsung,link-rate = <0x06>;
samsung,lane-count = <2>;
samsung,hpd-gpio = <&gpx2 6 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 = <&ps8625>;
};
&fimd {
@@ -155,6 +147,16 @@
pinctrl-names = "default";
pinctrl-0 = <&max98090_irq>;
};
+
+ ps8625: lvds-bridge@48 {
+ compatible = "parade,ps8625";
+ reg = <0x48>;
+ sleep-gpios = <&gpx3 5 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpy7 7 GPIO_ACTIVE_HIGH>;
+ lane-count = <2>;
+ panel = <&panel>;
+ use-external-pwm;
+ };
};
&hsi2c_9 {
--
1.7.9.5
--
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