[2/4] ARM: dts: exynos: Enable WLAN support for the Trats board

Message ID 20200326094626.28308-3-m.szyprowski@samsung.com
State New
Headers show
Series
  • Untitled series #38936
Related show

Commit Message

Marek Szyprowski March 26, 2020, 9:46 a.m.
Add a node for BCM4330/3 SDIO chip on SDHCI bus #3 and the required MMC
power sequence node for the Exynos4210-based Trats board.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
 arch/arm/boot/dts/exynos4210-trats.dts | 29 ++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

Patch

diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index 7c39dd1c4d3a..df901f113df5 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -121,6 +121,11 @@ 
 		};
 	};
 
+	wlan_pwrseq: sdhci3-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpl1 2 GPIO_ACTIVE_LOW>;
+	};
+
 	fixed-rate-clocks {
 		xxti {
 			compatible = "samsung,clock-xxti";
@@ -471,6 +476,30 @@ 
 	status = "okay";
 };
 
+&sdhci_3 {
+	status = "okay";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	non-removable;
+	bus-width = <4>;
+	mmc-pwrseq = <&wlan_pwrseq>;
+	vmmc-supply = <&tflash_reg>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&sd3_clk>, <&sd3_cmd>, <&sd3_bus4>;
+
+	brcmf: wifi@1 {
+		compatible = "brcm,bcm4330-fmac";
+		reg = <1>;
+
+		interrupt-parent = <&gpx2>;
+		interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wake";
+	};
+};
+
 &serial_0 {
 	status = "okay";
 };