[PATCH V2 2/9] ARM: dts: bcm2837: Add missing GPIOs of Expander
Stefan Wahren
stefan.wahren at i2se.com
Sat Apr 21 04:28:35 PDT 2018
After commit a98d90e7d588 ("gpio: raspberrypi-exp: Driver for RPi3 GPIO
expander via mailbox service") we are able to control the rest of the
GPIOs of the RPi 3. So add all the missing parts (ACT LED,
Wifi & BT control, HDMI detect) to the DT.
Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
Reviewed-by: Eric Anholt <eric at anholt.net>
---
arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
index cc39b6f..c318bcb 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
@@ -20,9 +20,14 @@
leds {
act {
- gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
+ gpios = <&expgpio 2 GPIO_ACTIVE_HIGH>;
};
};
+
+ wifi_pwrseq: wifi-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>;
+ };
};
&firmware {
@@ -48,6 +53,10 @@
status = "okay";
};
+&hdmi {
+ hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LOW>;
+};
+
/* uart0 communicates with the BT module */
&uart0 {
pinctrl-names = "default";
@@ -57,6 +66,7 @@
bluetooth {
compatible = "brcm,bcm43438-bt";
max-speed = <2000000>;
+ shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
};
};
@@ -69,11 +79,19 @@
/* SDHCI is used to control the SDIO for wireless */
&sdhci {
+ #address-cells = <1>;
+ #size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&emmc_gpio34>;
status = "okay";
bus-width = <4>;
non-removable;
+ mmc-pwrseq = <&wifi_pwrseq>;
+
+ brcmf: wifi at 1 {
+ reg = <1>;
+ compatible = "brcm,bcm4329-fmac";
+ };
};
/* SDHOST is used to drive the SD card */
--
2.7.4
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