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Diffstat (limited to 'arch/arm/dts/bcm2835-rpi-b-rev2.dts')
-rw-r--r--arch/arm/dts/bcm2835-rpi-b-rev2.dts75
1 files changed, 74 insertions, 1 deletions
diff --git a/arch/arm/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/dts/bcm2835-rpi-b-rev2.dts
index bfc4bd9b77..e860964e39 100644
--- a/arch/arm/dts/bcm2835-rpi-b-rev2.dts
+++ b/arch/arm/dts/bcm2835-rpi-b-rev2.dts
@@ -2,6 +2,7 @@
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
#include "bcm283x-rpi-smsc9512.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
/ {
compatible = "raspberrypi,model-b-rev2", "brcm,bcm2835";
@@ -15,7 +16,73 @@
};
&gpio {
- pinctrl-0 = <&gpioout &alt0 &i2s_alt2 &alt3>;
+ /*
+ * Taken from Raspberry-Pi-Rev-2.0-Model-AB-Schematics.pdf
+ * RPI00022 sheet 02
+ *
+ * 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 = "SDA0",
+ "SCL0",
+ "SDA1",
+ "SCL1",
+ "GPIO_GCLK",
+ "CAM_CLK",
+ "LAN_RUN",
+ "SPI_CE1_N",
+ "SPI_CE0_N",
+ "SPI_MISO",
+ "SPI_MOSI",
+ "SPI_SCLK",
+ "NC", /* GPIO12 */
+ "NC", /* GPIO13 */
+ /* Serial port */
+ "TXD0",
+ "RXD0",
+ "STATUS_LED_N",
+ "GPIO17",
+ "GPIO18",
+ "NC", /* GPIO19 */
+ "NC", /* GPIO20 */
+ "CAM_GPIO",
+ "GPIO22",
+ "GPIO23",
+ "GPIO24",
+ "GPIO25",
+ "NC", /* GPIO26 */
+ "GPIO27",
+ "GPIO28",
+ "GPIO29",
+ "GPIO30",
+ "GPIO31",
+ "NC", /* GPIO32 */
+ "NC", /* GPIO33 */
+ "NC", /* GPIO34 */
+ "NC", /* GPIO35 */
+ "NC", /* GPIO36 */
+ "NC", /* GPIO37 */
+ "NC", /* GPIO38 */
+ "NC", /* GPIO39 */
+ "PWM0_OUT",
+ "NC", /* GPIO41 */
+ "NC", /* GPIO42 */
+ "NC", /* GPIO43 */
+ "NC", /* GPIO44 */
+ "PWM1_OUT",
+ "HDMI_HPD_P",
+ "SD_CARD_DET",
+ /* 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_alt2>;
/* I2S interface */
i2s_alt2: i2s_alt2 {
@@ -27,3 +94,9 @@
&hdmi {
hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_gpio14>;
+ status = "okay";
+};