Merge tag 'mmc-6-23' of https://github.com/MrVan/u-boot
[platform/kernel/u-boot.git] / arch / arm / dts / bcm2835-rpi-zero-w.dts
index 7817054..ba0167d 100644 (file)
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
+ */
+
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
-#include "bcm283x-rpi-smsc9512.dtsi"
-#include "bcm283x-rpi-usb-host.dtsi"
+#include "bcm283x-rpi-usb-otg.dtsi"
 
 / {
        compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
        model = "Raspberry Pi Zero W";
 
+       chosen {
+               /* 8250 auxiliary UART instead of pl011 */
+               stdout-path = "serial1:115200n8";
+       };
+
        leds {
                act {
-                       gpios = <&gpio 47 0>;
+                       gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
                };
        };
+
+       wifi_pwrseq: wifi-pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
+       };
 };
 
-&uart1 {
-    pinctrl-names = "default";
-    pinctrl-0 = <&uart1_gpio14>;
-    status = "okay";
+&gpio {
+       /*
+        * This is based on the official GPU firmware DT blob.
+        *
+        * Legend:
+        * "NC" = not connected (no rail from the SoC)
+        * "FOO" = GPIO line named "FOO" on the schematic
+        * "FOO_N" = GPIO line named "FOO" on schematic, active low
+        */
+       gpio-line-names = "ID_SDA",
+                         "ID_SCL",
+                         "SDA1",
+                         "SCL1",
+                         "GPIO_GCLK",
+                         "GPIO5",
+                         "GPIO6",
+                         "SPI_CE1_N",
+                         "SPI_CE0_N",
+                         "SPI_MISO",
+                         "SPI_MOSI",
+                         "SPI_SCLK",
+                         "GPIO12",
+                         "GPIO13",
+                         /* Serial port */
+                         "TXD0",
+                         "RXD0",
+                         "GPIO16",
+                         "GPIO17",
+                         "GPIO18",
+                         "GPIO19",
+                         "GPIO20",
+                         "GPIO21",
+                         "GPIO22",
+                         "GPIO23",
+                         "GPIO24",
+                         "GPIO25",
+                         "GPIO26",
+                         "GPIO27",
+                         "SDA0",
+                         "SCL0",
+                         "NC", /* GPIO30 */
+                         "NC", /* GPIO31 */
+                         "NC", /* GPIO32 */
+                         "NC", /* GPIO33 */
+                         "NC", /* GPIO34 */
+                         "NC", /* GPIO35 */
+                         "NC", /* GPIO36 */
+                         "NC", /* GPIO37 */
+                         "NC", /* GPIO38 */
+                         "NC", /* GPIO39 */
+                         "CAM_GPIO1", /* GPIO40 */
+                         "WL_ON", /* GPIO41 */
+                         "NC", /* GPIO42 */
+                         "WIFI_CLK", /* GPIO43 */
+                         "CAM_GPIO0", /* GPIO44 */
+                         "BT_ON", /* GPIO45 */
+                         "HDMI_HPD_N",
+                         "STATUS_LED_N",
+                         /* Used by SD Card */
+                         "SD_CLK_R",
+                         "SD_CMD_R",
+                         "SD_DATA0_R",
+                         "SD_DATA1_R",
+                         "SD_DATA2_R",
+                         "SD_DATA3_R";
+
+       pinctrl-0 = <&gpioout &alt0>;
 };
 
 &hdmi {
        hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 };
+
+&sdhci {
+       #address-cells = <1>;
+       #size-cells = <0>;
+       pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
+       mmc-pwrseq = <&wifi_pwrseq>;
+       non-removable;
+       status = "okay";
+
+       brcmf: wifi@1 {
+               reg = <1>;
+               compatible = "brcm,bcm4329-fmac";
+       };
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
+       status = "okay";
+
+       bluetooth {
+               compatible = "brcm,bcm43438-bt";
+               max-speed = <2000000>;
+               shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
+       };
+};
+
+&uart1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart1_gpio14>;
+       status = "okay";
+};