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Diffstat (limited to 'dts/src/arm/bcm2837-rpi-3-b.dts')
-rw-r--r--dts/src/arm/bcm2837-rpi-3-b.dts74
1 files changed, 72 insertions, 2 deletions
diff --git a/dts/src/arm/bcm2837-rpi-3-b.dts b/dts/src/arm/bcm2837-rpi-3-b.dts
index 0c155dd..ce71f57 100644
--- a/dts/src/arm/bcm2837-rpi-3-b.dts
+++ b/dts/src/arm/bcm2837-rpi-3-b.dts
@@ -14,7 +14,7 @@
stdout-path = "serial1:115200n8";
};
- memory {
+ memory@0 {
reg = <0 0x40000000>;
};
@@ -39,7 +39,7 @@
"WL_ON",
"STATUS_LED",
"LAN_RUN",
- "HPD_N",
+ "HDMI_HPD_N",
"CAM_GPIO0",
"CAM_GPIO1",
"PWR_LOW_N";
@@ -47,6 +47,76 @@
};
};
+&gpio {
+ /*
+ * Taken from rpi_SCH_3b_1p2_reduced.pdf and
+ * 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 */
+ "TXD1",
+ "RXD1",
+ "GPIO16",
+ "GPIO17",
+ "GPIO18",
+ "GPIO19",
+ "GPIO20",
+ "GPIO21",
+ "GPIO22",
+ "GPIO23",
+ "GPIO24",
+ "GPIO25",
+ "GPIO26",
+ "GPIO27",
+ "", /* GPIO 28 */
+ "LAN_RUN_BOOT",
+ /* Used by BT module */
+ "CTS0",
+ "RTS0",
+ "TXD0",
+ "RXD0",
+ /* Used by Wifi */
+ "SD1_CLK",
+ "SD1_CMD",
+ "SD1_DATA0",
+ "SD1_DATA1",
+ "SD1_DATA2",
+ "SD1_DATA3",
+ "PWM0_OUT",
+ "PWM1_OUT",
+ "ETHCLK",
+ "WIFI_CLK",
+ "SDA0",
+ "SCL0",
+ "SMPS_SCL",
+ "SMPS_SDA",
+ /* Used by SD Card */
+ "SD_CLK_R",
+ "SD_CMD_R",
+ "SD_DATA0_R",
+ "SD_DATA1_R",
+ "SD_DATA2_R",
+ "SD_DATA3_R";
+};
+
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;