linux-kernel - [PATCH v3 4/4] ARM: dts: at91: sama5d27

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Message-ID: <20210820092803.78523-5-claudiu.beznea@microchip.com>
Date:   Fri, 20 Aug 2021 12:28:03 +0300
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <ulf.hansson@...aro.org>, <robh+dt@...nel.org>,
        <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>
CC:     <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Eugen Hristev" <eugen.hristev@...rochip.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH v3 4/4] ARM: dts: at91: sama5d27_wlsom1: add wifi device

From: Eugen Hristev <eugen.hristev@...rochip.com>

SAMA5D27 WLSOM1 boards has a WILC3000 device soldered. Add proper
device tree nodes for this.

[eugen.hristev: original author of this code]
Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
[nicolas.ferre: original author of this code]
Signed-off-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi | 71 +++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
index 025a78310e3a..c7bcfd3ce91d 100644
--- a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
@@ -30,6 +30,15 @@ main_xtal {
 			clock-frequency = <24000000>;
 		};
 	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-wilc1000";
+		reset-gpios = <&pioA PIN_PA27 GPIO_ACTIVE_HIGH>;
+		powerdown-gpios = <&pioA PIN_PA29 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&pinctrl_wilc_pwrseq>;
+		pinctrl-names = "default";
+		status = "okay";
+	};
 };
 
 &flx1 {
@@ -310,5 +319,67 @@ pinctrl_qspi1_default: qspi1_default {
 			 <PIN_PB10__QSPI1_IO3>;
 		bias-pull-up;
 	};
+
+	pinctrl_sdmmc1_default: sdmmc1_default {
+		cmd-data {
+			pinmux = <PIN_PA28__SDMMC1_CMD>,
+				 <PIN_PA18__SDMMC1_DAT0>,
+				 <PIN_PA19__SDMMC1_DAT1>,
+				 <PIN_PA20__SDMMC1_DAT2>,
+				 <PIN_PA21__SDMMC1_DAT3>;
+			bias-disable;
+		};
+
+		conf-ck {
+			pinmux = <PIN_PA22__SDMMC1_CK>;
+			bias-disable;
+		};
+	};
+
+	pinctrl_wilc_default: wilc_default {
+		conf-irq {
+			pinmux = <PIN_PB25__GPIO>;
+			bias-disable;
+		};
+	};
+
+	pinctrl_wilc_pwrseq: wilc_pwrseq {
+		conf-ce-nrst {
+			pinmux = <PIN_PA27__GPIO>,
+				 <PIN_PA29__GPIO>;
+			bias-disable;
+		};
+
+		conf-rtcclk {
+			pinmux = <PIN_PB13__PCK1>;
+			bias-disable;
+		};
+	};
+};
+
+&sdmmc1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	bus-width = <4>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sdmmc1_default>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	no-1-8-v;
+	non-removable;
+	status = "okay";
+
+	wilc: wilc@0 {
+		reg = <0>;
+		bus-width = <4>;
+		compatible = "microchip,wilc3000", "microchip,wilc1000";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_wilc_default>;
+		irq-gpios = <&pioA PIN_PB25 GPIO_ACTIVE_LOW>;
+		clocks = <&pmc PMC_TYPE_SYSTEM 9>;
+		clock-names = "rtc";
+		assigned-clocks = <&pmc PMC_TYPE_SYSTEM 9>;
+		assigned-clock-rates = <32768>;
+		status = "okay";
+	};
 };
 
-- 
2.25.1