arch/arm/boot/dts/omap3-ha-lcd.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
   4  * Copyright (C) 2014 Stefan Roese <sr@denx.de>
   5  */
   6
   7 #include "omap3-ha-common.dtsi"
   8
   9 / {
  10         model = "TI OMAP3 HEAD acoustics LCD-baseboard with TAO3530 SOM";
  11         compatible = "headacoustics,omap3-ha-lcd", "technexion,omap3-tao3530", "ti,omap3430", "ti,omap34xx", "ti,omap3";
  12 };
  13
  14 &omap3_pmx_core {
  15         pinctrl-names = "default";
  16         pinctrl-0 = <
  17                 &hsusbb2_pins
  18                 &powerdown_input_pins
  19                 &fpga_boot0_pins
  20                 &fpga_boot1_pins
  21                 &led_blue_pins
  22                 &led_green_pins
  23                 &led_red_pins
  24                 &touchscreen_wake_pins
  25         >;
  26
  27         touchscreen_irq_pins: pinmux_touchscreen_irq_pins {
  28                 pinctrl-single,pins = <
  29                         OMAP3_CORE1_IOPAD(0x2164, PIN_INPUT_PULLUP | MUX_MODE4) /* gpio_136, Touchscreen IRQ */
  30                 >;
  31         };
  32
  33         touchscreen_wake_pins: pinmux_touchscreen_wake_pins {
  34                 pinctrl-single,pins = <
  35                         OMAP3_CORE1_IOPAD(0x212c, PIN_OUTPUT_PULLUP | MUX_MODE4)        /* gpio_110, Touchscreen Wake */
  36                 >;
  37         };
  38
  39         dss_dpi_pins: pinmux_dss_dpi_pins {
  40                 pinctrl-single,pins = <
  41                         OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0)       /* dss_pclk.dss_pclk */
  42                         OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0)       /* dss_hsync.dss_hsync */
  43                         OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0)       /* dss_vsync.dss_vsync */
  44                         OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0)       /* dss_acbias.dss_acbias */
  45                         OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0)       /* dss_data0.dss_data0 */
  46                         OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0)       /* dss_data1.dss_data1 */
  47                         OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0)       /* dss_data2.dss_data2 */
  48                         OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0)       /* dss_data3.dss_data3 */
  49                         OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0)       /* dss_data4.dss_data4 */
  50                         OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0)       /* dss_data5.dss_data5 */
  51                         OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0)       /* dss_data6.dss_data6 */
  52                         OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0)       /* dss_data7.dss_data7 */
  53                         OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0)       /* dss_data8.dss_data8 */
  54                         OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0)       /* dss_data9.dss_data9 */
  55                         OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0)       /* dss_data10.dss_data10 */
  56                         OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0)       /* dss_data11.dss_data11 */
  57                         OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0)       /* dss_data12.dss_data12 */
  58                         OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0)       /* dss_data13.dss_data13 */
  59                         OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0)       /* dss_data14.dss_data14 */
  60                         OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0)       /* dss_data15.dss_data15 */
  61                         OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0)       /* dss_data16.dss_data16 */
  62                         OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0)       /* dss_data17.dss_data17 */
  63                         OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0)       /* dss_data18.dss_data18 */
  64                         OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0)       /* dss_data19.dss_data19 */
  65                         OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0)       /* dss_data20.dss_data20 */
  66                         OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0)       /* dss_data21.dss_data21 */
  67                         OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0)       /* dss_data22.dss_data22 */
  68                         OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0)       /* dss_data23.dss_data23 */
  69                 >;
  70         };
  71
  72         lte430_pins: pinmux_lte430_pins {
  73                 pinctrl-single,pins = <
  74                         OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE4)       /* sdmmc2_dat6.gpio_138 */
  75                 >;
  76         };
  77
  78         backlight_pins: pinmux_backlight_pins {
  79                 pinctrl-single,pins = <
  80                         OMAP3_CORE1_IOPAD(0x216a, PIN_OUTPUT | MUX_MODE4)       /* sdmmc2_dat7.gpio_139 */
  81                 >;
  82         };
  83 };
  84
  85 /* I2C2: mux'ed with GPIO168 which is connected to nKILL_POWER */
  86 &i2c2 {
  87         status = "disabled";
  88 };
  89
  90 &i2c3 {
  91         clock-frequency = <100000>;
  92
  93         pinctrl-names = "default";
  94         pinctrl-0 = <&i2c3_pins>;
  95 };
  96
  97 /* Needed to power the DPI pins */
  98 &vpll2 {
  99         regulator-always-on;
 100 };
 101
 102 &dss {
 103         status = "okay";
 104
 105         pinctrl-names = "default";
 106         pinctrl-0 = <&dss_dpi_pins>;
 107
 108         port {
 109                 dpi_out: endpoint {
 110                         remote-endpoint = <&lcd_in>;
 111                         data-lines = <24>;
 112                 };
 113         };
 114 };
 115
 116 / {
 117         aliases {
 118                 display0 = &lcd0;
 119         };
 120
 121         lcd0: display {
 122                 compatible = "panel-dpi";
 123                 label = "lcd";
 124
 125                 pinctrl-names = "default";
 126                 pinctrl-0 = <&lte430_pins>;
 127                 enable-gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;     /* gpio_138 */
 128
 129                 port {
 130                         lcd_in: endpoint {
 131                                 remote-endpoint = <&dpi_out>;
 132                         };
 133                 };
 134
 135                 panel-timing {
 136                         clock-frequency = <31250000>;
 137                         hactive = <800>;
 138                         vactive = <480>;
 139                         hfront-porch = <40>;
 140                         hback-porch = <86>;
 141                         hsync-len = <1>;
 142                         vback-porch = <30>;
 143                         vfront-porch = <13>;
 144                         vsync-len = <3>;
 145
 146                         hsync-active = <0>;
 147                         vsync-active = <0>;
 148                         de-active = <1>;
 149                         pixelclk-active = <1>;
 150                 };
 151         };
 152
 153         backlight {
 154                 compatible = "gpio-backlight";
 155
 156                 pinctrl-names = "default";
 157                 pinctrl-0 = <&backlight_pins>;
 158                 gpios = <&gpio5 11 GPIO_ACTIVE_HIGH>;           /* gpio_139 */
 159
 160                 default-on;
 161         };
 162 };