From: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
[nicolas.ferre: original author of this code]
Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
[claudiu.beznea: adapt for mmc-pwrseq-sd8787, commit message]
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi | 72 +++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
index 025a78310e3a..de8bb3439aef 100644
--- a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
@@ -30,6 +30,16 @@ main_xtal {
clock-frequency = <24000000>;
};
};
+
+ wifi_pwrseq: wifi_pwrseq {
+ compatible = "mmc-pwrseq-sd8787";
+ reset-gpios = <&pioA PIN_PA27 GPIO_ACTIVE_HIGH>;
+ powerdown-gpios = <&pioA PIN_PA29 GPIO_ACTIVE_HIGH>;
+ reset-power-delay-ms = <5>;
+ pinctrl-0 = <&pinctrl_wilc_pwrseq>;
+ pinctrl-names = "default";
+ status = "okay";
+ };
};
&flx1 {
@@ -310,5 +320,67 @@ 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
