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

   1 /*
   2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   3  * Copyright (C) 2014 Stefan Roese <sr@denx.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include "omap3-ha-common.dtsi"
  11
  12 / {
  13         model = "TI OMAP3 HEAD acoustics LCD-baseboard with TAO3530 SOM";
  14         compatible = "headacoustics,omap3-ha-lcd", "technexion,omap3-tao3530", "ti,omap34xx", "ti,omap3";
  15 };
  16
  17 &omap3_pmx_core {
  18         pinctrl-names = "default";
  19         pinctrl-0 = <
  20                 &hsusbb2_pins
  21                 &powerdown_input_pins
  22                 &fpga_boot0_pins
  23                 &fpga_boot1_pins
  24                 &led_blue_pins
  25                 &led_green_pins
  26                 &led_red_pins
  27                 &touchscreen_wake_pins
  28         >;
  29
  30         touchscreen_irq_pins: pinmux_touchscreen_irq_pins {
  31                 pinctrl-single,pins = <
  32                         OMAP3_CORE1_IOPAD(0x2164, PIN_INPUT_PULLUP | MUX_MODE4) /* gpio_136, Touchscreen IRQ */
  33                 >;
  34         };
  35
  36         touchscreen_wake_pins: pinmux_touchscreen_wake_pins {
  37                 pinctrl-single,pins = <
  38                         OMAP3_CORE1_IOPAD(0x212c, PIN_OUTPUT_PULLUP | MUX_MODE4)        /* gpio_110, Touchscreen Wake */
  39                 >;
  40         };
  41
  42         dss_dpi_pins: pinmux_dss_dpi_pins {
  43                 pinctrl-single,pins = <
  44                         OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0)       /* dss_pclk.dss_pclk */
  45                         OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0)       /* dss_hsync.dss_hsync */
  46                         OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0)       /* dss_vsync.dss_vsync */
  47                         OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0)       /* dss_acbias.dss_acbias */
  48                         OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0)       /* dss_data0.dss_data0 */
  49                         OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0)       /* dss_data1.dss_data1 */
  50                         OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0)       /* dss_data2.dss_data2 */
  51                         OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0)       /* dss_data3.dss_data3 */
  52                         OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0)       /* dss_data4.dss_data4 */
  53                         OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0)       /* dss_data5.dss_data5 */
  54                         OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0)       /* dss_data6.dss_data6 */
  55                         OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0)       /* dss_data7.dss_data7 */
  56                         OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0)       /* dss_data8.dss_data8 */
  57                         OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0)       /* dss_data9.dss_data9 */
  58                         OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0)       /* dss_data10.dss_data10 */
  59                         OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0)       /* dss_data11.dss_data11 */
  60                         OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0)       /* dss_data12.dss_data12 */
  61                         OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0)       /* dss_data13.dss_data13 */
  62                         OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0)       /* dss_data14.dss_data14 */
  63                         OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0)       /* dss_data15.dss_data15 */
  64                         OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0)       /* dss_data16.dss_data16 */
  65                         OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0)       /* dss_data17.dss_data17 */
  66                         OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0)       /* dss_data18.dss_data18 */
  67                         OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0)       /* dss_data19.dss_data19 */
  68                         OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0)       /* dss_data20.dss_data20 */
  69                         OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0)       /* dss_data21.dss_data21 */
  70                         OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0)       /* dss_data22.dss_data22 */
  71                         OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0)       /* dss_data23.dss_data23 */
  72                 >;
  73         };
  74
  75         lte430_pins: pinmux_lte430_pins {
  76                 pinctrl-single,pins = <
  77                         OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE4)       /* sdmmc2_dat6.gpio_138 */
  78                 >;
  79         };
  80
  81         backlight_pins: pinmux_backlight_pins {
  82                 pinctrl-single,pins = <
  83                         OMAP3_CORE1_IOPAD(0x216a, PIN_OUTPUT | MUX_MODE4)       /* sdmmc2_dat7.gpio_139 */
  84                 >;
  85         };
  86 };
  87
  88 /* I2C2: mux'ed with GPIO168 which is connected to nKILL_POWER */
  89 &i2c2 {
  90         status = "disabled";
  91 };
  92
  93 &i2c3 {
  94         clock-frequency = <100000>;
  95
  96         pinctrl-names = "default";
  97         pinctrl-0 = <&i2c3_pins>;
  98 };
  99
 100 /* Needed to power the DPI pins */
 101 &vpll2 {
 102         regulator-always-on;
 103 };
 104
 105 &dss {
 106         status = "ok";
 107
 108         pinctrl-names = "default";
 109         pinctrl-0 = <&dss_dpi_pins>;
 110
 111         port {
 112                 dpi_out: endpoint {
 113                         remote-endpoint = <&lcd_in>;
 114                         data-lines = <24>;
 115                 };
 116         };
 117 };
 118
 119 / {
 120         aliases {
 121                 display0 = &lcd0;
 122         };
 123
 124         lcd0: display@0 {
 125                 compatible = "panel-dpi";
 126                 label = "lcd";
 127
 128                 pinctrl-names = "default";
 129                 pinctrl-0 = <&lte430_pins>;
 130                 enable-gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;     /* gpio_138 */
 131
 132                 port {
 133                         lcd_in: endpoint {
 134                                 remote-endpoint = <&dpi_out>;
 135                         };
 136                 };
 137
 138                 panel-timing {
 139                         clock-frequency = <31250000>;
 140                         hactive = <800>;
 141                         vactive = <480>;
 142                         hfront-porch = <40>;
 143                         hback-porch = <86>;
 144                         hsync-len = <1>;
 145                         vback-porch = <30>;
 146                         vfront-porch = <13>;
 147                         vsync-len = <3>;
 148
 149                         hsync-active = <0>;
 150                         vsync-active = <0>;
 151                         de-active = <1>;
 152                         pixelclk-active = <1>;
 153                 };
 154         };
 155
 156         backlight {
 157                 compatible = "gpio-backlight";
 158
 159                 pinctrl-names = "default";
 160                 pinctrl-0 = <&backlight_pins>;
 161                 gpios = <&gpio5 11 GPIO_ACTIVE_HIGH>;           /* gpio_139 */
 162
 163                 default-on;
 164         };
 165 };