linux_dsm_epyc7002/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi
Derald D. Woods bc67986131 ARM: dts: omap3: Add Sharp LS037V7DW01 'envdd' supply
The Sharp panel 'envdd' regulator is now selected properly. This commit
eliminates a dummy regulator assignment at boot.

Signed-off-by: Derald D. Woods <woods.technical@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-29 09:14:26 -07:00

73 lines
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/*
* Common file for omap dpi panels with QVGA and reset pins
*
* Note that the board specifc DTS file needs to specify
* at minimum the GPIO enable-gpios for display, and
* gpios for gpio-backlight.
*/
/ {
aliases {
display0 = &lcd0;
};
backlight0: backlight {
compatible = "gpio-backlight";
default-on;
};
/* 3.3V GPIO controlled regulator for LCD_ENVDD */
lcd_3v3: regulator-lcd-3v3 {
compatible = "regulator-fixed";
regulator-name = "lcd_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
startup-delay-us = <70000>;
};
lcd0: display {
compatible = "sharp,ls037v7dw01";
label = "lcd";
power-supply = <&lcd_3v3>;
envdd-supply = <&lcd_3v3>;
port {
lcd_in: endpoint {
remote-endpoint = <&dpi_out>;
};
};
};
};
/* Needed to power the DPI pins */
&vpll2 {
regulator-always-on;
};
&dss {
status = "ok";
port {
dpi_out: endpoint {
remote-endpoint = <&lcd_in>;
data-lines = <18>;
};
};
};
&mcspi1 {
tsc2046@0 {
reg = <0>; /* CS0 */
compatible = "ti,tsc2046";
spi-max-frequency = <1000000>;
vcc-supply = <&lcd_3v3>;
ti,x-min = /bits/ 16 <0>;
ti,x-max = /bits/ 16 <8000>;
ti,y-min = /bits/ 16 <0>;
ti,y-max = /bits/ 16 <4800>;
ti,x-plate-ohms = /bits/ 16 <40>;
ti,pressure-max = /bits/ 16 <255>;
ti,swap-xy;
wakeup-source;
};
};