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ODROID-M1: dtb/dtbo: add hktft32 and ads7846 dtbo for Hardkernel 3.2 inch TFT LCD

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Signed-off-by: Steve Jeong <steve@how2flow.net>
Change-Id: Ia98cce979e2f66044af217ac392d35e15283f999
This commit is contained in:
Lee Seungcheol
2022-01-06 11:37:31 +09:00
committed by codewalkerster
parent 052e5cffe7
commit bedefd8169
2 changed files with 55 additions and 0 deletions
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1
arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
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@@ -4,6 +4,7 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP_ODROIDM1) += \
blueled_off.dtbo \
can0.dtbo \
dht11.dtbo \
hktft32.dtbo \
i2c0.dtbo \
i2c1.dtbo \
mcp2515.dtbo \

54
arch/arm64/boot/dts/rockchip/overlays/odroidm1/hktft32.dts Normal file
View File

@@ -0,0 +1,54 @@
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>
/{
fragment@0 {
target = <&spi0>;
__overlay__ {
status = "okay";
num_chipselect = <2>;
cs-gpios = <&gpio2 RK_PD2 GPIO_ACTIVE_LOW>,
<&gpio3 RK_PD2 GPIO_ACTIVE_LOW>;
#address-cells = <1>;
#size-cells = <0>;
hktft32: hktft32@0 {
status = "okay";
compatible = "hardkernel,hktft32";
reg = <0>;
spi-max-frequency = <40000000>;
rotation = <90>;
reset-gpios = <&gpio0 RK_PC1 GPIO_ACTIVE_HIGH>;
dc-gpios = <&gpio3 RK_PB2 GPIO_ACTIVE_HIGH>;
};
ads7846: ads7846@1 {
status = "okay";
compatible = "ti,ads7846";
spi-max-frequency = <2000000>;
reg = <1>;
interrupt-parent = <&gpio0>;
interrupts = <RK_PC0 0>;
pendown-gpio = <&gpio0 RK_PC0 GPIO_ACTIVE_HIGH>;
ti,swap-xy = <1>;
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>;
linux,wakeup;
};
};
};
};