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Message-Id: <1476963777-1804-4-git-send-email-narmstrong@baylibre.com>
Date: Thu, 20 Oct 2016 13:42:56 +0200
From: Neil Armstrong <narmstrong@...libre.com>
To: carlo@...one.org, khilman@...libre.com
Cc: Neil Armstrong <narmstrong@...libre.com>,
linux-amlogic@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCH 3/4] ARM64: dts: meson-gxbb: Add P20x Wifi SDIO support
Add Wifi module support on the Amlogic P20x boards on the SDIO port.
The Wifi module also needs a 32768Hz clock provided by the PWM E port
through a pwm-clock node in it's power sequence.
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
index 6861b0a..203be28 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
@@ -118,6 +118,13 @@
clock-frequency = <32768>;
pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
};
+
+ sdio_pwrseq: sdio-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+ clocks = <&wifi32k>;
+ clock-names = "ext_clock";
+ };
};
/* This UART is brought out to the DB9 connector */
@@ -171,8 +178,15 @@
non-removable;
disable-wp;
+ mmc-pwrseq = <&sdio_pwrseq>;
+
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&vddio_boot>;
+
+ brcmf: bcrmf@1 {
+ reg = <1>;
+ compatible = "brcm,bcm4329-fmac";
+ };
};
/* SD card */
--
1.9.1
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