* [PATCH v2 3/4] ARM: dts: exynos: Enable WLAN support for the Rinato board
[not found] <CGME20200327125321eucas1p2bdd8cc5b224c24f6e3eeac6f9c38ce41@eucas1p2.samsung.com>
@ 2020-03-27 12:53 ` Marek Szyprowski
2020-03-27 12:57 ` Krzysztof Kozlowski
0 siblings, 1 reply; 2+ messages in thread
From: Marek Szyprowski @ 2020-03-27 12:53 UTC (permalink / raw)
To: linux-samsung-soc
Cc: Marek Szyprowski, Krzysztof Kozlowski, Chanwoo Choi,
Bartlomiej Zolnierkiewicz
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>
---
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 1b48151a84cf..aba8350cfdaf 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>;
--
2.17.1
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