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| author | Baruch Siach <baruch@tkos.co.il> | 2018-02-20 13:19:35 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2018-02-22 20:33:02 +0100 |
| commit | 4d5b2eaf3ca80c56a59f230208c4ff11e3f68d55 (patch) | |
| tree | d2ef63601c0869e56e9195ae95b2c4bfe44972ff /arch/arm/boot/dts/bcm2837-rpi-3-b.dts | |
| parent | ARM: dts: bcm2835: make the firmware node into a bus (diff) | |
| download | linux-4d5b2eaf3ca80c56a59f230208c4ff11e3f68d55.tar.xz linux-4d5b2eaf3ca80c56a59f230208c4ff11e3f68d55.zip | |
ARM: dts: bcm2837-rpi-3-b: add GPIO expander
Add a description of the RPi3 GPIO expander that the VC4 firmware controls.
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'arch/arm/boot/dts/bcm2837-rpi-3-b.dts')
| -rw-r--r-- | arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts index 3e4ed7c5b0b3..0b31d995a066 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts @@ -25,6 +25,23 @@ }; }; +&firmware { + expgpio: gpio { + compatible = "raspberrypi,firmware-gpio"; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "BT_ON", + "WL_ON", + "STATUS_LED", + "LAN_RUN", + "HPD_N", + "CAM_GPIO0", + "CAM_GPIO1", + "PWR_LOW_N"; + status = "okay"; + }; +}; + /* uart0 communicates with the BT module */ &uart0 { pinctrl-names = "default"; |