ARM: dts: exynos: Enable WLAN support for the Rinato board

Add a node for BCM43342A SDIO chip on MSHC bus #1 and the required MMC
power sequence node for the Exynos3250-based Rinato board.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
index 1b48151..aba8350 100644 (file)
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -50,6 +50,11 @@
                };
        };
 
+       wlan_pwrseq: mshc1-pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
+       };
+
        i2c_max77836: i2c-gpio-0 {
                compatible = "i2c-gpio";
                sda-gpios = <&gpd0 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
@@ -624,6 +629,35 @@
        status = "okay";
 };
 
+&mshc_1 {
+       status = "okay";
+
+       #address-cells = <1>;
+       #size-cells = <0>;
+
+       non-removable;
+       cap-sd-highspeed;
+       cap-sdio-irq;
+       keep-power-in-suspend;
+       samsung,dw-mshc-ciu-div = <1>;
+       samsung,dw-mshc-sdr-timing = <0 1>;
+       samsung,dw-mshc-ddr-timing = <1 2>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_bus1 &sd1_bus4>;
+       bus-width = <4>;
+
+       mmc-pwrseq = <&wlan_pwrseq>;
+
+       brcmf: wifi@1 {
+               compatible = "brcm,bcm4334-fmac";
+               reg = <1>;
+
+               interrupt-parent = <&gpx1>;
+               interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-names = "host-wake";
+       };
+};
+
 &serial_0 {
        assigned-clocks = <&cmu CLK_SCLK_UART0>;
        assigned-clock-rates = <100000000>;