Add WaveShare 3.5" & 4" touch screen

Base on Sam's effort, modify to support WaveShare 3.5" & 4" touch screen.
For 4" screen, the touch calibration is ok and do not need to configure
anymore. But the 3.5" should add the calibration config file
"40-libinput.conf" into /usr/share/X11/xorg.conf.d/

Change-Id: I436f4c21742f6f148994c9587ce1e19ca12123f8
Reviewed-on: https://tp-biosrd-v02/gerrit/80155
Reviewed-by: Scorpio Chang(張志賢) <Scorpio_Chang@asus.com>
Tested-by: Scorpio Chang(張志賢) <Scorpio_Chang@asus.com>

Author: yc-hou-0919

arch/arm/boot/dts/overlays/Makefile

@@ -2,6 +2,7 @@
 
 dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
 	hifiberry-dac-amp.dtbo \
+	waveshare35a-tinker.dtbo \
 
 targets += dtbs dtbs_install
 targets += $(dtbo-y)

arch/arm/boot/dts/overlays/waveshare35a-tinker-overlay.dts

@@ -0,0 +1,86 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288-miniarm", "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&spi2>;
+
+		__overlay__ {
+			status = "okay";
+
+			spidev@0 {
+				status = "disabled";
+			};
+
+			spidev@1 {
+				status = "disabled";
+			};
+		};
+	};
+
+	fragment@1 {
+		target = <&gpio5>;
+
+		__overlay__ {
+			waveshare35a_pins: waveshare35a_pins {
+				rockchip,pins = <5 19 0 &pcfg_pull_none>,
+                                <5 11 0 &pcfg_pull_none>,
+                                <5 12 0 &pcfg_pull_none>;
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&spi2>;
+
+		__overlay__ {
+			#address-cells = <0x1>;
+			#size-cells = <0x0>;
+
+			waveshare35a@0 {
+					compatible = "ilitek,ili9486";
+					reg = <0>;
+					pinctrl-names = "default";
+					pinctrl-0 = <&waveshare35a_pins>;
+					spi-max-frequency = <15000000>;
+					txbuflen = <32768>;
+					rotate = <270>;
+					bgr = <0>;
+					fps = <30>;
+					buswidth = <8>;
+					regwidth = <16>;
+					reset-gpios = <&gpio5 19 0>;
+					dc-gpios = <&gpio5 11 0>;
+					debug = <0>;
+					init = <0x10000b0 0x00
+							0x1000011
+						0x20000ff
+						0x100003a 0x55
+						0x1000036 0x28
+						0x10000c2 0x44
+						0x10000c5 0x00 0x00 0x00 0x00
+						0x10000e0 0x0f 0x1f 0x1c 0x0c 0x0f 0x08 0x48 0x98 0x37 0x0a 0x13 0x04 0x11 0x0d 0x00
+						0x10000e1 0x0f 0x32 0x2e 0x0b 0x0d 0x05 0x47 0x75 0x37 0x06 0x10 0x03 0x24 0x20 0x00
+						0x10000e2 0x0f 0x32 0x2e 0x0b 0x0d 0x05 0x47 0x75 0x37 0x06 0x10 0x03 0x24 0x20 0x00
+						/* piscreen -> waveshare35a */
+						0x1000036 0x28
+						0x1000011
+						0x1000029>;
+				};
+	
+				waveshare35a-ts@1 {
+					compatible = "ti,ads7846";
+					reg = <1>;
+					spi-max-frequency = <2000000>;
+					interrupts = <12 2>;
+					interrupt-parent = <&gpio5>;
+					pendown-gpio = <&gpio5 12 0>;
+					ti,x-plate-ohms = /bits/ 16 <60>;/*[00 3c];*/
+					ti,pressure-max = /bits/ 16 <255>;/*[00 ff];*/
+					ti,swap-xy = <0>;
+				};
+		};
+	};
+};

arch/arm/configs/miniarm-rk3288_defconfig

@@ -434,6 +434,7 @@ CONFIG_JOYSTICK_XPAD_FF=y
 CONFIG_JOYSTICK_XPAD_LEDS=y
 CONFIG_INPUT_TABLET=y
 CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_ADS7846=y
 CONFIG_TOUCHSCREEN_ATMEL_MXT=y
 CONFIG_TOUCHSCREEN_ELAN=y
 CONFIG_TOUCHSCREEN_USB_COMPOSITE=y
@@ -609,6 +610,37 @@ CONFIG_RTC_DRV_RK808=y
 CONFIG_DMADEVICES=y
 CONFIG_PL330_DMA=y
 CONFIG_STAGING=y
+CONFIG_FB_TFT=y
+CONFIG_FB_TFT_AGM1264K_FL=y
+CONFIG_FB_TFT_BD663474=y
+CONFIG_FB_TFT_HX8340BN=y
+CONFIG_FB_TFT_HX8347D=y
+CONFIG_FB_TFT_HX8353D=y
+CONFIG_FB_TFT_HX8357D=y
+CONFIG_FB_TFT_ILI9163=y
+CONFIG_FB_TFT_ILI9320=y
+CONFIG_FB_TFT_ILI9325=y
+CONFIG_FB_TFT_ILI9340=y
+CONFIG_FB_TFT_ILI9341=y
+CONFIG_FB_TFT_ILI9481=y
+CONFIG_FB_TFT_ILI9486=y
+CONFIG_FB_TFT_PCD8544=y
+CONFIG_FB_TFT_RA8875=y
+CONFIG_FB_TFT_S6D02A1=y
+CONFIG_FB_TFT_S6D1121=y
+CONFIG_FB_TFT_SSD1289=y
+CONFIG_FB_TFT_SSD1306=y
+CONFIG_FB_TFT_SSD1331=y
+CONFIG_FB_TFT_SSD1351=y
+CONFIG_FB_TFT_ST7735R=y
+CONFIG_FB_TFT_ST7789V=y
+CONFIG_FB_TFT_TINYLCD=y
+CONFIG_FB_TFT_TLS8204=y
+CONFIG_FB_TFT_UC1701=y
+CONFIG_FB_TFT_UPD161704=y
+CONFIG_FB_TFT_WATTEROTT=y
+CONFIG_FB_FLEX=y
+CONFIG_FB_TFT_FBTFT_DEVICE=y
 CONFIG_SENSORS_ISL29018=y
 CONFIG_TSL2583=y
 CONFIG_ASHMEM=y