omap3-overo-common-lcd43.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0-only
    2 /*
    3  * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
    4  */
    5 
    6 /*
    7  * 4.3'' LCD panel output for some Gumstix Overo boards (Gallop43, Chestnut43)
    8  */
    9 
   10 &omap3_pmx_core {
   11         dss_dpi_pins: pinmux_dss_dpi_pins {
   12                 pinctrl-single,pins = <
   13                         OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0)       /* dss_pclk.dss_pclk */
   14                         OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0)       /* dss_hsync.dss_hsync */
   15                         OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0)       /* dss_vsync.dss_vsync */
   16                         OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0)       /* dss_acbias.dss_acbias */
   17                         OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0)       /* dss_data0.dss_data0 */
   18                         OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0)       /* dss_data1.dss_data1 */
   19                         OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0)       /* dss_data2.dss_data2 */
   20                         OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0)       /* dss_data3.dss_data3 */
   21                         OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0)       /* dss_data4.dss_data4 */
   22                         OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0)       /* dss_data5.dss_data5 */
   23                         OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0)       /* dss_data6.dss_data6 */
   24                         OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0)       /* dss_data7.dss_data7 */
   25                         OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0)       /* dss_data8.dss_data8 */
   26                         OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0)       /* dss_data9.dss_data9 */
   27                         OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0)       /* dss_data10.dss_data10 */
   28                         OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0)       /* dss_data11.dss_data11 */
   29                         OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0)       /* dss_data12.dss_data12 */
   30                         OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0)       /* dss_data13.dss_data13 */
   31                         OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0)       /* dss_data14.dss_data14 */
   32                         OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0)       /* dss_data15.dss_data15 */
   33                         OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0)       /* dss_data16.dss_data16 */
   34                         OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0)       /* dss_data17.dss_data17 */
   35                         OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0)       /* dss_data18.dss_data18 */
   36                         OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0)       /* dss_data19.dss_data19 */
   37                         OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0)       /* dss_data20.dss_data20 */
   38                         OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0)       /* dss_data21.dss_data21 */
   39                         OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0)       /* dss_data22.dss_data22 */
   40                         OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0)       /* dss_data23.dss_data23 */
   41                 >;
   42         };
   43 
   44         lte430_pins: pinmux_lte430_pins {
   45                 pinctrl-single,pins = <
   46                         OMAP3_CORE1_IOPAD(0x2174, PIN_OUTPUT | MUX_MODE4)       /* uart2_cts.gpio_144 */
   47                 >;
   48         };
   49 
   50         backlight_pins: pinmux_backlight_pins {
   51                 pinctrl-single,pins = <
   52                         OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE4)       /* uart2_rts.gpio_145 */
   53                 >;
   54         };
   55 
   56         mcspi1_pins: pinmux_mcspi1_pins {
   57                 pinctrl-single,pins = <
   58                         OMAP3_CORE1_IOPAD(0x21c8, PIN_INPUT | MUX_MODE0)        /* mcspi1_clk.mcspi1_clk */
   59                         OMAP3_CORE1_IOPAD(0x21ca, PIN_INPUT | MUX_MODE0)        /* mcspi1_simo.mcspi1_simo */
   60                         OMAP3_CORE1_IOPAD(0x21cc, PIN_INPUT | MUX_MODE0)        /* mcspi1_somi.mcspi1_somi */
   61                         OMAP3_CORE1_IOPAD(0x21ce, PIN_INPUT | MUX_MODE0)        /* mcspi1_cs0.mcspi1_cs0 */
   62                 >;
   63         };
   64 
   65         ads7846_pins: pinmux_ads7846_pins {
   66                 pinctrl-single,pins = <
   67                         OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4)       /* csi2_dx1.gpio_114 */
   68                 >;
   69         };
   70 };
   71 
   72 /* Needed to power the DPI pins */
   73 &vpll2 {
   74         regulator-always-on;
   75 };
   76 
   77 &dss {
   78         status = "okay";
   79 
   80         pinctrl-names = "default";
   81         pinctrl-0 = <&dss_dpi_pins>;
   82 
   83         port {
   84                 dpi_out: endpoint {
   85                         remote-endpoint = <&lcd_in>;
   86                         data-lines = <24>;
   87                 };
   88         };
   89 };
   90 
   91 / {
   92         aliases {
   93                 display0 = &lcd0;
   94         };
   95 
   96         lcd0: display {
   97                 compatible = "samsung,lte430wq-f0c", "panel-dpi";
   98                 label = "lcd43";
   99 
  100                 pinctrl-names = "default";
  101                 pinctrl-0 = <&lte430_pins>;
  102                 enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>;            /* gpio_144 */
  103 
  104                 port {
  105                         lcd_in: endpoint {
  106                                 remote-endpoint = <&dpi_out>;
  107                         };
  108                 };
  109 
  110                 panel-timing {
  111                         clock-frequency = <9200000>;
  112                         hactive = <480>;
  113                         vactive = <272>;
  114                         hfront-porch = <8>;
  115                         hback-porch = <4>;
  116                         hsync-len = <41>;
  117                         vback-porch = <2>;
  118                         vfront-porch = <4>;
  119                         vsync-len = <10>;
  120 
  121                         hsync-active = <0>;
  122                         vsync-active = <0>;
  123                         de-active = <1>;
  124                         pixelclk-active = <1>;
  125                 };
  126         };
  127 
  128         ads7846reg: ads7846-reg {
  129                 compatible = "regulator-fixed";
  130                 regulator-name = "ads7846-reg";
  131                 regulator-min-microvolt = <3300000>;
  132                 regulator-max-microvolt = <3300000>;
  133         };
  134 
  135         backlight {
  136                 compatible = "gpio-backlight";
  137                 
  138                 pinctrl-names = "default";
  139                 pinctrl-0 = <&backlight_pins>;
  140                 gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;           /* gpio_145 */
  141 
  142                 default-on;
  143         };
  144 };
  145 
  146 &mcspi1 {
  147         pinctrl-names = "default";
  148         pinctrl-0 = <&mcspi1_pins>;
  149 
  150         /* touch controller */
  151         ads7846@0 {
  152                 pinctrl-names = "default";
  153                 pinctrl-0 = <&ads7846_pins>;
  154 
  155                 compatible = "ti,ads7846";
  156                 vcc-supply = <&ads7846reg>;
  157 
  158                 reg = <0>;                              /* CS0 */
  159                 spi-max-frequency = <1500000>;
  160 
  161                 interrupt-parent = <&gpio4>;
  162                 interrupts = <18 0>;                    /* gpio_114 */
  163                 pendown-gpio = <&gpio4 18 GPIO_ACTIVE_HIGH>;
  164 
  165                 ti,x-min = /bits/ 16 <0x0>;
  166                 ti,x-max = /bits/ 16 <0x0fff>;
  167                 ti,y-min = /bits/ 16 <0x0>;
  168                 ti,y-max = /bits/ 16 <0x0fff>;
  169                 ti,x-plate-ohms = /bits/ 16 <180>;
  170                 ti,pressure-max = /bits/ 16 <255>;
  171 
  172                 wakeup-source;
  173         };
  174 };
  175

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/omap3-overo-common-lcd43.dtsi

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/omap3-overo-common-lcd43.dtsi