arch/arm/boot/dts/am335x-chiliboard.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2015 Jablotron s.r.o. -- https://www.jablotron.com/
   4  * Author: Rostislav Lisovy <lisovy@jablotron.cz>
   5  */
   6 /dts-v1/;
   7 #include "am335x-chilisom.dtsi"
   8
   9 / {
  10         model = "AM335x Chiliboard";
  11         compatible = "grinn,am335x-chiliboard", "grinn,am335x-chilisom",
  12                      "ti,am33xx";
  13
  14         chosen {
  15                 stdout-path = &uart0;
  16         };
  17
  18         leds {
  19                 compatible = "gpio-leds";
  20                 pinctrl-names = "default";
  21                 pinctrl-0 = <&led_gpio_pins>;
  22
  23                 led0 {
  24                         label = "led0";
  25                         gpios = <&gpio3 7 GPIO_ACTIVE_LOW>;
  26                         default-state = "keep";
  27                         linux,default-trigger = "heartbeat";
  28                 };
  29
  30                 led1 {
  31                         label = "led1";
  32                         gpios = <&gpio3 8 GPIO_ACTIVE_LOW>;
  33                         default-state = "keep";
  34                 };
  35         };
  36 };
  37
  38 &am33xx_pinmux {
  39         uart0_pins: pinmux_uart0_pins {
  40                 pinctrl-single,pins = <
  41                         AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
  42                         AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
  43                 >;
  44         };
  45
  46         cpsw_default: cpsw_default {
  47                 pinctrl-single,pins = <
  48                         /* Slave 1 */
  49                         AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLDOWN, MUX_MODE1)
  50                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLUP, MUX_MODE1)
  51                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
  52                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
  53                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
  54                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE1)
  55                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE1)
  56                         AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE0)
  57                 >;
  58         };
  59
  60         cpsw_sleep: cpsw_sleep {
  61                 pinctrl-single,pins = <
  62                         /* Slave 1 reset value */
  63                         AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLDOWN, MUX_MODE7)
  64                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLDOWN, MUX_MODE7)
  65                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
  66                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE7)
  67                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
  68                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
  69                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
  70                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
  71                         AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
  72                 >;
  73         };
  74
  75         davinci_mdio_default: davinci_mdio_default {
  76                 pinctrl-single,pins = <
  77                         /* mdio_data.mdio_data */
  78                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
  79                         /* mdio_clk.mdio_clk */
  80                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
  81                 >;
  82         };
  83
  84         davinci_mdio_sleep: davinci_mdio_sleep {
  85                 pinctrl-single,pins = <
  86                         /* MDIO reset value */
  87                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7)
  88                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7)
  89                 >;
  90         };
  91
  92         usb1_drvvbus: usb1_drvvbus {
  93                 pinctrl-single,pins = <
  94                         AM33XX_PADCONF(AM335X_PIN_USB1_DRVVBUS, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
  95                 >;
  96         };
  97
  98         sd_pins: pinmux_sd_card {
  99                 pinctrl-single,pins = <
 100                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT, MUX_MODE0)
 101                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT, MUX_MODE0)
 102                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT, MUX_MODE0)
 103                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT, MUX_MODE0)
 104                         AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT, MUX_MODE0)
 105                         AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT, MUX_MODE0)
 106                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7) /* spi0_cs1.gpio0_6 */
 107                 >;
 108         };
 109
 110         led_gpio_pins: led_gpio_pins {
 111                 pinctrl-single,pins = <
 112                         AM33XX_PADCONF(AM335X_PIN_EMU0, PIN_OUTPUT, MUX_MODE7) /* emu0.gpio3_7 */
 113                         AM33XX_PADCONF(AM335X_PIN_EMU1, PIN_OUTPUT, MUX_MODE7) /* emu1.gpio3_8 */
 114                 >;
 115         };
 116 };
 117
 118 &uart0 {
 119         pinctrl-names = "default";
 120         pinctrl-0 = <&uart0_pins>;
 121
 122         status = "okay";
 123 };
 124
 125 &ldo4_reg {
 126         regulator-min-microvolt = <3300000>;
 127         regulator-max-microvolt = <3300000>;
 128 };
 129
 130 /* Ethernet */
 131 &mac {
 132         slaves = <1>;
 133         pinctrl-names = "default", "sleep";
 134         pinctrl-0 = <&cpsw_default>;
 135         pinctrl-1 = <&cpsw_sleep>;
 136         status = "okay";
 137 };
 138
 139 &davinci_mdio {
 140         pinctrl-names = "default", "sleep";
 141         pinctrl-0 = <&davinci_mdio_default>;
 142         pinctrl-1 = <&davinci_mdio_sleep>;
 143         status = "okay";
 144
 145         ethphy0: ethernet-phy@0 {
 146                 reg = <0>;
 147         };
 148 };
 149
 150 &cpsw_emac0 {
 151         phy-handle = <&ethphy0>;
 152         phy-mode = "rmii";
 153 };
 154
 155 /* USB */
 156 &usb1 {
 157         pinctrl-names = "default";
 158         pinctrl-0 = <&usb1_drvvbus>;
 159         dr_mode = "host";
 160 };
 161
 162 /* microSD */
 163 &mmc1 {
 164         pinctrl-names = "default";
 165         pinctrl-0 = <&sd_pins>;
 166         vmmc-supply = <&ldo4_reg>;
 167         bus-width = <0x4>;
 168         cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
 169         status = "okay";
 170 };
 171
 172 &tps {
 173         interrupt-parent = <&intc>;
 174         interrupts = <7>; /* NNMI */
 175
 176         charger {
 177                 status = "okay";
 178         };
 179
 180         pwrbutton {
 181                 status = "okay";
 182         };
 183 };