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Merge pull request #281 from 0101wu/develop
rock 3c: add waveshare35 support
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62 changes: 62 additions & 0 deletions
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arch/arm64/boot/dts/rockchip/overlays/rk3568-spi3-m1-cs0-waveshare35.dts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /dts-v1/; | ||
| /plugin/; | ||
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| #include <dt-bindings/gpio/gpio.h> | ||
| #include <dt-bindings/pinctrl/rockchip.h> | ||
| #include <dt-bindings/interrupt-controller/irq.h> | ||
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| / { | ||
| metadata { | ||
| title = "Enable Waveshare 3.5inch RPi LCD (C) on SPI3-M1"; | ||
| compatible = "radxa,rock-3c", "radxa,zero3"; | ||
| category = "display"; | ||
| exclusive = "GPIO4_A6", "GPIO4_C6", "GPIO3_C1", "GPIO3_B2", "GPIO3_A1", "GPIO4_D1", "GPIO4_B2", "GPIO4_B3"; | ||
| description = "Enable Waveshare 3.5inch RPi LCD (C) on SPI3-M1.\nHDMI CEC function will be turned off when this overlay is enabled."; | ||
| }; | ||
| }; | ||
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| &spi3 { | ||
| status = "okay"; | ||
| #address-cells = <1>; | ||
| #size-cells = <0>; | ||
| pinctrl-names = "default", "high_speed"; | ||
| pinctrl-0 = <&spi3m1_cs0 &spi3m1_pins>; | ||
| pinctrl-1 = <&spi3m1_cs1 &spi3m1_pins_hs>; | ||
| max-freq = <16000000>; | ||
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| ili9486@0 { | ||
| compatible = "waveshare,rpi-lcd-35", "ilitek,ili9486"; | ||
| reg = <0>; | ||
| spi-max-frequency = <16000000>; | ||
| txbuflen = <32768>; | ||
| rotate = <90>; | ||
| bgr = <0>; | ||
| fps = <30>; | ||
| buswidth = <8>; | ||
| regwidth = <16>; | ||
| reset-gpios = <&gpio3 RK_PC1 GPIO_ACTIVE_LOW>; | ||
| dc-gpios = <&gpio3 RK_PB2 GPIO_ACTIVE_HIGH>; | ||
| debug = <0>; | ||
| }; | ||
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| ads7846@1 { | ||
| compatible = "ti,ads7846"; | ||
| status = "okay"; | ||
| reg = <1>; | ||
| id = <1>; | ||
| spi-max-frequency = <2000000>; | ||
| interrupts = <RK_PA1 IRQ_TYPE_EDGE_FALLING>; | ||
| interrupt-parent = <&gpio3>; | ||
| pendown-gpio = <&gpio3 RK_PA1 GPIO_ACTIVE_HIGH>; | ||
| ti,x-plate-ohms = /bits/ 16 <60>; | ||
| ti,pressure-max = /bits/ 16 <255>; | ||
| ti,swap-xy = <0>; | ||
| ti,invert-y = <1>; | ||
| vcc-supply = <&vcc5v0_sys>; | ||
| }; | ||
| }; | ||
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| &hdmi { | ||
| pinctrl-names = "default"; | ||
| pinctrl-0 = <&hdmitx_scl &hdmitx_sda>; | ||
| }; |