ARM: dts: Add GPIO line names for downstream RPis

Largely copied from the upstream dts files, with a few additions and
tweaks.

See: https://github.com/raspberrypi/linux/issues/2760

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

diff --git a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
index a7d6427..ea2d667 100644 (file)
--- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
@@ -12,6 +12,72 @@
 };
 
 &gpio {
+       /*
+        * 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 */
+                         "ETH_CLK", /* 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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */

diff --git a/arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts b/arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts
index af1b477..c2d83b6 100644 (file)
--- a/arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts
@@ -11,6 +11,73 @@
 };
 
 &gpio {
+       /*
+        * Taken from Raspberry-Pi-Rev-1.0-Model-AB-Schematics.pdf
+        * RPI00021 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_GPIO1",
+                         "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 */
+                         "GPIO21",
+                         "GPIO22",
+                         "GPIO23",
+                         "GPIO24",
+                         "GPIO25",
+                         "NC", /* GPIO26 */
+                         "CAM_GPIO0",
+                         /* Binary number representing build/revision */
+                         "CONFIG0",
+                         "CONFIG1",
+                         "CONFIG2",
+                         "CONFIG3",
+                         "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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */

diff --git a/arch/arm/boot/dts/bcm2708-rpi-b.dts b/arch/arm/boot/dts/bcm2708-rpi-b.dts
index a531625..ab1f3d2 100644 (file)
--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
@@ -12,6 +12,72 @@
 };
 
 &gpio {
+       /*
+        * 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_GPIO1",
+                         "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_GPIO0",
+                         "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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */

diff --git a/arch/arm/boot/dts/bcm2708-rpi-cm.dts b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
index 863bd20..3634f67 100644 (file)
--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
@@ -24,6 +24,71 @@ cam0_reg: &cam0_regulator {
 };
 
 &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 = "GPIO0",
+                         "GPIO1",
+                         "GPIO2",
+                         "GPIO3",
+                         "GPIO4",
+                         "GPIO5",
+                         "GPIO6",
+                         "GPIO7",
+                         "GPIO8",
+                         "GPIO9",
+                         "GPIO10",
+                         "GPIO11",
+                         "GPIO12",
+                         "GPIO13",
+                         "GPIO14",
+                         "GPIO15",
+                         "GPIO16",
+                         "GPIO17",
+                         "GPIO18",
+                         "GPIO19",
+                         "GPIO20",
+                         "GPIO21",
+                         "GPIO22",
+                         "GPIO23",
+                         "GPIO24",
+                         "GPIO25",
+                         "GPIO26",
+                         "GPIO27",
+                         "GPIO28",
+                         "GPIO29",
+                         "GPIO30",
+                         "GPIO31",
+                         "GPIO32",
+                         "GPIO33",
+                         "GPIO34",
+                         "GPIO35",
+                         "GPIO36",
+                         "GPIO37",
+                         "GPIO38",
+                         "GPIO39",
+                         "GPIO40",
+                         "GPIO41",
+                         "GPIO42",
+                         "GPIO43",
+                         "GPIO44",
+                         "GPIO45",
+                         "HDMI_HPD_N",
+                         /* Also used as ACT LED */
+                         "EMMC_EN_N",
+                         /* Used by eMMC */
+                         "SD_CLK_R",
+                         "SD_CMD_R",
+                         "SD_DATA0_R",
+                         "SD_DATA1_R",
+                         "SD_DATA2_R",
+                         "SD_DATA3_R";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */

diff --git a/arch/arm/boot/dts/bcm2708-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2708-rpi-zero-w.dts
index e4c6c35..d96a5c8 100644 (file)
--- a/arch/arm/boot/dts/bcm2708-rpi-zero-w.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-zero-w.dts
@@ -22,6 +22,73 @@
 };
 
 &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",
+                         /* Used by BT module */
+                         "CTS0",
+                         "RTS0",
+                         "TXD0",
+                         "RXD0",
+                         /* Used by Wifi */
+                         "SD1_CLK",
+                         "SD1_CMD",
+                         "SD1_DATA0",
+                         "SD1_DATA1",
+                         "SD1_DATA2",
+                         "SD1_DATA3",
+                         "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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */

diff --git a/arch/arm/boot/dts/bcm2708-rpi-zero.dts b/arch/arm/boot/dts/bcm2708-rpi-zero.dts
index 19dae0d..f888478 100644 (file)
--- a/arch/arm/boot/dts/bcm2708-rpi-zero.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-zero.dts
@@ -15,6 +15,71 @@
 };
 
 &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 */
+                         "CAM_GPIO1", /* GPIO32 */
+                         "NC", /* GPIO33 */
+                         "NC", /* GPIO34 */
+                         "NC", /* GPIO35 */
+                         "NC", /* GPIO36 */
+                         "NC", /* GPIO37 */
+                         "NC", /* GPIO38 */
+                         "NC", /* GPIO39 */
+                         "NC", /* GPIO40 */
+                         "CAM_GPIO0", /* GPIO41 */
+                         "NC", /* GPIO42 */
+                         "NC", /* GPIO43 */
+                         "NC", /* GPIO44 */
+                         "NC", /* 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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */

diff --git a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
index 4c80d15..87eeacd 100644 (file)
--- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
+++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
@@ -12,6 +12,72 @@
 };
 
 &gpio {
+       /*
+        * Taken from rpi_SCH_2b_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 */
+                         "TXD0",
+                         "RXD0",
+                         "GPIO16",
+                         "GPIO17",
+                         "GPIO18",
+                         "GPIO19",
+                         "GPIO20",
+                         "GPIO21",
+                         "GPIO22",
+                         "GPIO23",
+                         "GPIO24",
+                         "GPIO25",
+                         "GPIO26",
+                         "GPIO27",
+                         "SDA0",
+                         "SCL0",
+                         "NC", /* GPIO30 */
+                         "LAN_RUN",
+                         "CAM_GPIO1",
+                         "NC", /* GPIO33 */
+                         "NC", /* GPIO34 */
+                         "PWR_LOW_N",
+                         "NC", /* GPIO36 */
+                         "NC", /* GPIO37 */
+                         "USB_LIMIT",
+                         "NC", /* GPIO39 */
+                         "PWM0_OUT",
+                         "CAM_GPIO0",
+                         "SMPS_SCL",
+                         "SMPS_SDA",
+                         "ETH_CLK",
+                         "PWM1_OUT",
+                         "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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */

diff --git a/arch/arm/boot/dts/bcm2710-rpi-2-b.dts b/arch/arm/boot/dts/bcm2710-rpi-2-b.dts
index a8a18ef..6ff2373 100644 (file)
--- a/arch/arm/boot/dts/bcm2710-rpi-2-b.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-2-b.dts
@@ -12,6 +12,72 @@
 };
 
 &gpio {
+       /*
+        * Taken from rpi_SCH_2b_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 */
+                         "TXD0",
+                         "RXD0",
+                         "GPIO16",
+                         "GPIO17",
+                         "GPIO18",
+                         "GPIO19",
+                         "GPIO20",
+                         "GPIO21",
+                         "GPIO22",
+                         "GPIO23",
+                         "GPIO24",
+                         "GPIO25",
+                         "GPIO26",
+                         "GPIO27",
+                         "SDA0",
+                         "SCL0",
+                         "NC", /* GPIO30 */
+                         "LAN_RUN",
+                         "CAM_GPIO1",
+                         "NC", /* GPIO33 */
+                         "NC", /* GPIO34 */
+                         "PWR_LOW_N",
+                         "NC", /* GPIO36 */
+                         "NC", /* GPIO37 */
+                         "USB_LIMIT",
+                         "NC", /* GPIO39 */
+                         "PWM0_OUT",
+                         "CAM_GPIO0",
+                         "SMPS_SCL",
+                         "SMPS_SDA",
+                         "ETH_CLK",
+                         "PWM1_OUT",
+                         "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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */

diff --git a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
index 93f9c8d..5f248fb 100644 (file)
--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
@@ -23,6 +23,74 @@
 };
 
 &gpio {
+       /*
+        * Taken from rpi_SCH_3bplus_1p0_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",
+                         "HDMI_HPD_N",
+                         "STATUS_LED_G",
+                         /* 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",
+                         "ETH_CLK",
+                         "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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */
@@ -97,6 +165,14 @@
                compatible = "raspberrypi,firmware-gpio";
                gpio-controller;
                #gpio-cells = <2>;
+               gpio-line-names = "BT_ON",
+                                 "WL_ON",
+                                 "PWR_LED_R",
+                                 "LAN_RUN",
+                                 "NC",
+                                 "CAM_GPIO0",
+                                 "CAM_GPIO1",
+                                 "NC";
                status = "okay";
        };
 };

diff --git a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
index bc5d086..10485ad 100644 (file)
--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
@@ -23,6 +23,74 @@
 };
 
 &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",
+                         "NC", /* 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",
+                         "ETH_CLK",
+                         "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";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */
@@ -108,6 +176,14 @@
                compatible = "raspberrypi,firmware-gpio";
                gpio-controller;
                #gpio-cells = <2>;
+               gpio-line-names = "BT_ON",
+                                 "WL_ON",
+                                 "STATUS_LED",
+                                 "LAN_RUN",
+                                 "HDMI_HPD_N",
+                                 "CAM_GPIO0",
+                                 "CAM_GPIO1",
+                                 "PWR_LOW_N";
                status = "okay";
        };
 };

diff --git a/arch/arm/boot/dts/bcm2710-rpi-cm3.dts b/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
index 517ed47..fb99c3b 100644 (file)
--- a/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
@@ -24,6 +24,70 @@ cam0_reg: &cam0_regulator {
 };
 
 &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 = "GPIO0",
+                         "GPIO1",
+                         "GPIO2",
+                         "GPIO3",
+                         "GPIO4",
+                         "GPIO5",
+                         "GPIO6",
+                         "GPIO7",
+                         "GPIO8",
+                         "GPIO9",
+                         "GPIO10",
+                         "GPIO11",
+                         "GPIO12",
+                         "GPIO13",
+                         "GPIO14",
+                         "GPIO15",
+                         "GPIO16",
+                         "GPIO17",
+                         "GPIO18",
+                         "GPIO19",
+                         "GPIO20",
+                         "GPIO21",
+                         "GPIO22",
+                         "GPIO23",
+                         "GPIO24",
+                         "GPIO25",
+                         "GPIO26",
+                         "GPIO27",
+                         "GPIO28",
+                         "GPIO29",
+                         "GPIO30",
+                         "GPIO31",
+                         "GPIO32",
+                         "GPIO33",
+                         "GPIO34",
+                         "GPIO35",
+                         "GPIO36",
+                         "GPIO37",
+                         "GPIO38",
+                         "GPIO39",
+                         "GPIO40",
+                         "GPIO41",
+                         "GPIO42",
+                         "GPIO43",
+                         "GPIO44",
+                         "GPIO45",
+                         "SMPS_SCL",
+                         "SMPS_SDA",
+                         /* Used by eMMC */
+                         "SD_CLK_R",
+                         "SD_CMD_R",
+                         "SD_DATA0_R",
+                         "SD_DATA1_R",
+                         "SD_DATA2_R",
+                         "SD_DATA3_R";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */
@@ -71,6 +135,14 @@ cam0_reg: &cam0_regulator {
                compatible = "raspberrypi,firmware-gpio";
                gpio-controller;
                #gpio-cells = <2>;
+               gpio-line-names = "HDMI_HPD_N",
+                                 "EMMC_EN_N",
+                                 "NC",
+                                 "NC",
+                                 "NC",
+                                 "NC",
+                                 "NC",
+                                 "NC";
                status = "okay";
        };
 };

diff --git a/arch/arm/boot/dts/bcm2710-rpi-zero-2-w.dts b/arch/arm/boot/dts/bcm2710-rpi-zero-2-w.dts
index 38629eb..601b057 100644 (file)
--- a/arch/arm/boot/dts/bcm2710-rpi-zero-2-w.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-zero-2-w.dts
@@ -22,6 +22,73 @@
 };
 
 &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",
+                         "HDMI_HPD_N",
+                         "STATUS_LED_N",
+                         /* Used by BT module */
+                         "CTS0",
+                         "RTS0",
+                         "TXD0",
+                         "RXD0",
+                         /* Used by Wifi */
+                         "SD1_CLK",
+                         "SD1_CMD",
+                         "SD1_DATA0",
+                         "SD1_DATA1",
+                         "SD1_DATA2",
+                         "SD1_DATA3",
+                         "CAM_GPIO1", /* GPIO40 */
+                         "WL_ON", /* GPIO41 */
+                         "BT_ON", /* GPIO42 */
+                         "WIFI_CLK", /* GPIO43 */
+                         "SDA0", /* GPIO44 */
+                         "SCL0", /* GPIO45 */
+                         "SMPS_SCL", /* GPIO46 */
+                         "SMPS_SDA", /* GPIO47 */
+                         /* Used by SD Card */
+                         "SD_CLK_R",
+                         "SD_CMD_R",
+                         "SD_DATA0_R",
+                         "SD_DATA1_R",
+                         "SD_DATA2_R",
+                         "SD_DATA3_R";
+
        spi0_pins: spi0_pins {
                brcm,pins = <9 10 11>;
                brcm,function = <4>; /* alt0 */