rockchip: rk3328: rock64 - fix gen3 SPL hang

[oweals/u-boot.git] / arch / arm / dts / bcm2835-rpi-b-plus.dts

diff --git a/arch/arm/dts/bcm2835-rpi-b-plus.dts b/arch/arm/dts/bcm2835-rpi-b-plus.dts
index d5fdb8e761a39ef4ac063c916e9f889342b525e7..1e40d672b05522c628e77eaf31b011f7d4341192 100644 (file)
--- a/arch/arm/dts/bcm2835-rpi-b-plus.dts
+++ b/arch/arm/dts/bcm2835-rpi-b-plus.dts
@@ -1,7 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 #include "bcm2835.dtsi"
 #include "bcm2835-rpi.dtsi"
 #include "bcm283x-rpi-smsc9514.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
        compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
@@ -9,12 +11,12 @@
 
        leds {
                act {
-                       gpios = <&gpio 47 0>;
+                       gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
                };
 
                pwr {
                        label = "PWR";
-                       gpios = <&gpio 35 0>;
+                       gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
                        default-state = "keep";
                        linux,default-trigger = "default-on";
                };
@@ -22,7 +24,73 @@
 };
 
 &gpio {
-       pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
+       /*
+        * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
+        * RPI-BPLUS sheet 1
+        *
+        * 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 */
+                         "LAN_RUN", /* GPIO31 */
+                         "CAM_GPIO1", /* GPIO32 */
+                         "NC", /* GPIO33 */
+                         "NC", /* GPIO34 */
+                         "PWR_LOW_N", /* GPIO35 */
+                         "NC", /* GPIO36 */
+                         "NC", /* GPIO37 */
+                         "USB_LIMIT", /* GPIO38 */
+                         "NC", /* GPIO39 */
+                         "PWM0_OUT", /* GPIO40 */
+                         "CAM_GPIO0", /* GPIO41 */
+                         "NC", /* GPIO42 */
+                         "NC", /* GPIO43 */
+                         "ETHCLK", /* GPIO44 */
+                         "PWM1_OUT", /* GPIO45 */
+                         "HDMI_HPD_N",
+                         "STATUS_LED",
+                         /* 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 &i2s_alt0>;
 
        /* I2S interface */
        i2s_alt0: i2s_alt0 {
@@ -34,3 +102,15 @@
 &hdmi {
        hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 };
+
+&pwm {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
+       status = "okay";
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0_gpio14>;
+       status = "okay";
+};