ARM: dts: at91: sama5d27_wlsom1: add wifi device

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

[eugen.hristev: original author of this code]
[claudiu.beznea: adapt such that make dtbs_check is happy, remove status
 for wifi_pwrseq and wifi nodes]

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
[nicolas.ferre: original author of this code]
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20210825094055.642941-1-claudiu.beznea@microchip.com

diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
index 025a783..21c8617 100644 (file)
--- a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
@@ -30,6 +30,14 @@
                        clock-frequency = <24000000>;
                };
        };
                        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";
+       };

 };
 
 &flx1 {
 };
 
 &flx1 {


@@ -310,5 +318,67 @@
                         <PIN_PB10__QSPI1_IO3>;
                bias-pull-up;
        };
                         <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;
+       bus-width = <4>;
+       status = "okay";
+
+       wilc: wifi@0 {
+               reg = <0>;
+               compatible = "microchip,wilc1000";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_wilc_default>;
+               clocks = <&pmc PMC_TYPE_SYSTEM 9>;
+               clock-names = "rtc";
+               interrupts = <PIN_PB25 IRQ_TYPE_NONE>;
+               interrupt-parent = <&pioA>;
+               assigned-clocks = <&pmc PMC_TYPE_SYSTEM 9>;
+               assigned-clock-rates = <32768>;
+       };

 };
 
 };