add BB-BONE-NH7C-01-A0.dts

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

src/arm/overlays/BB-BONE-NH7C-01-A0.dts

+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/am33xx.h>
+
+/*
+ * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/
+ */
+&{/chosen} {
+	overlays {
+		BB-BONE-NH7C-01-A0.kernel = __TIMESTAMP__;
+	};
+};
+
+&am33xx_pinmux {
+	bb_lcd_pwm_backlight_pins: pinmux_bb_lcd_pwm_backlight_pins {
+		pinctrl-single,pins = <
+			AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_OUTPUT_PULLDOWN, MUX_MODE6)	/* P9_14: gpmc_a2.ehrpwm1a */
+		>;
+	};
+
+	bb_lcd_lcd_pins: pinmux_bb_lcd_lcd_pins {
+		pinctrl-single,pins = <
+			/*LCD enable */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_OUTPUT_PULLUP, MUX_MODE7)	/* gpmc_clk_mux0.gpio2_1 */
+
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
+
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1)	/* P8_15: gpmc_ad15.lcd_data16 */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1)	/* P8_16: gpmc_ad14.lcd_data17 */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1)	/* P8_11: gpmc_ad13.lcd_data18 */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1)	/* P8_12: gpmc_ad12.lcd_data19 */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1)	/* P8_17: gpmc_ad11.lcd_data20 */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1)	/* P8_14: gpmc_ad10.lcd_data21 */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1)	/* P8_13: gpmc_ad9.lcd_data22 */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1)	/* P8_19: gpmc_ad8.lcd_data23 */
+
+			AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
+		>;
+	};
+
+	edt_ft5x06_pins: pinmux_edt_ft5x06_pins {
+		pinctrl-single,pins = <
+			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSR, PIN_INPUT_PULLDOWN, MUX_MODE7)	/* mcasp0_fsr.gpio3_19 */
+		>;
+	};
+};
+
+&epwmss1 {
+	status = "okay";
+};
+
+&ehrpwm1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&bb_lcd_pwm_backlight_pins>;
+	status = "okay";
+};
+
+&lcdc {
+	status = "okay";
+	blue-and-red-wiring = "crossed";
+};
+
+&i2c2 {
+	status = "okay";
+
+	/* this is the configuration part */
+	clock-frequency = <100000>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	edt-ft5x06@38 {
+		status = "okay";
+		compatible = "edt,edt-ft5406", "edt,edt-ft5x06";
+		pinctrl-names = "default";
+		pinctrl-0 = <&edt_ft5x06_pins>;
+
+		reg = <0x38>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <19 0>;
+
+		touchscreen-size-x = <800>;
+		touchscreen-size-y = <480>;
+//		touchscreen-swapped-x-y;
+	};
+};
+
+&{/} {
+	backlight {
+		status = "okay";
+		compatible = "pwm-backlight";
+		pwms = <&ehrpwm1 0 500000 0>;
+		brightness-levels = <
+			0  1  2  3  4  5  6  7  8  9
+			10 11 12 13 14 15 16 17 18 19
+			20 21 22 23 24 25 26 27 28 29
+			30 31 32 33 34 35 36 37 38 39
+			40 41 42 43 44 45 46 47 48 49
+			50 51 52 53 54 55 56 57 58 59
+			60 61 62 63 64 65 66 67 68 69
+			70 71 72 73 74 75 76 77 78 79
+			80 81 82 83 84 85 86 87 88 89
+			90 91 92 93 94 95 96 97 98 99
+			100
+		>;
+		default-brightness-level = <100>;
+	};
+
+	/* NHD-7.0-800480EF-ATXL# */
+	panel {
+		status = "okay";
+		compatible = "ti,tilcdc,panel";
+		pinctrl-names = "default";
+		pinctrl-0 = <&bb_lcd_lcd_pins>;
+		panel-info {
+			ac-bias           = <255>;
+			ac-bias-intrpt    = <0>;
+			dma-burst-sz      = <16>;
+			bpp               = <32>;
+			fdd               = <0x80>;
+			tft-alt-mode      = <0>;
+			stn-565-mode      = <0>;
+			mono-8bit-mode    = <0>;
+			sync-edge         = <0>;
+			sync-ctrl         = <0>;
+			raster-order      = <0>;
+			fifo-th           = <0>;
+		};
+		display-timings {
+			native-mode = <&timing0>;
+			timing0: 800x480 {
+				clock-frequency = <45000000>;
+				hactive = <800>;
+				vactive = <480>;
+				hfront-porch = <40>;
+				hback-porch = <40>;
+				hsync-len = <48>;
+				vback-porch = <29>;
+				vfront-porch = <13>;
+				vsync-len = <3>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+			};
+		};
+	};
+};

src/arm/overlays/Makefile

@@ -5,6 +5,7 @@ dtbo-$(CONFIG_ARCH_OMAP2PLUS) += \
 	BB-BBBW-WL1835-00A0.dtbo	\
 	BB-BBGW-WL1835-00A0.dtbo	\
 	BB-BONE-eMMC1-01-00A0.dtbo	\
+	BB-BONE-NH7C-01-A0.dtbo	\
 	BB-CAPE-DISP-CT4-00A0.dtbo	\
 	BB-HDMI-TDA998x-00A0.dtbo	\
 	BBORG_COMMS-00A2.dtbo	\