Hi Chris,It is not only for panel, LCDC_VDD need this supply too.
Am Mittwoch, 6. Januar 2016, 12:03:57 schrieb Chris Zhong:
This tv080wum-nl0 panel is a mipi panel, it can use in MIPI_TX socket[...]
of rk3288 evb board.
Signed-off-by: Chris Zhong <zyw@xxxxxxxxxxxxxx>
diff --git a/arch/arm/boot/dts/rk3288-evb-act8846.dtsIs this only needed for the panel itself and can you try to get the panel
b/arch/arm/boot/dts/rk3288-evb-act8846.dts index e662147..7d5475b 100644
--- a/arch/arm/boot/dts/rk3288-evb-act8846.dts
+++ b/arch/arm/boot/dts/rk3288-evb-act8846.dts
@@ -50,6 +50,8 @@
gpio = <&gpio7 3 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&lcd_en>;
+ regulator-always-on;
+ regulator-boot-on;
supplies set up correctly instead in that case please?
regulator-name = "vcc_lcd";in the evb-schematics I see, vcc_lcd as supply for the panel.
vin-supply = <&vcc_io>;
};
diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi
b/arch/arm/boot/dts/rk3288-evb.dtsi index 4faabdb..0c91858 100644
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -47,7 +47,7 @@
reg = <0x0 0x80000000>;
};
- backlight {
+ backlight: backlight {
compatible = "pwm-backlight";
brightness-levels = <
0 1 2 3 4 5 6 7
@@ -183,6 +183,16 @@
status = "okay";
};
+&mipi_dsi {
+ status = "okay";
+ panel {
+ compatible ="boe,tv080wum-nl0";
+ reg = <0>;
+ backlight = <&backlight>;
+ status = "okay";
So I'd think the panel node here should have a
power-supply = <&vcc_lcd>;
instead of having the always-on above?
Thanks
Heiko
+ };
+};
+
&sdmmc {
bus-width = <4>;
cap-mmc-highspeed;