From 95384e977c426e73971e7393c393ccce66c084ec Mon Sep 17 00:00:00 2001 From: Marek Szyprowski Date: Fri, 27 Mar 2020 13:53:17 +0100 Subject: [PATCH] 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 Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos3250-rinato.dts | 34 +++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 1b48151..aba8350 100644 --- 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>; -- 2.7.4