Re: [PATCH v4] ARM: dts: at91: sama5d27_wlsom1: add wifi device

From: Nicolas Ferre
Date: Wed Sep 15 2021 - 04:30:21 EST


On 25/08/2021 at 11:40, Claudiu Beznea wrote:
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 such that make dtbs_check is happy, remove status
for wifi_pwrseq and wifi nodes]
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>

Thanks Claudiu for having handled this work!

I queue it in at91-dt for 5.16.
Best regards,
Nicolas

---

Changes in v4:
- keep only this patch as the rest from series were applied on mmc tree
- remove status="okay" on wifi node and pwrseq node
- adapt to remove all warnings thown by make dtbs_check

arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi | 70 +++++++++++++++++++++
1 file changed, 70 insertions(+)

diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
index 025a78310e3a..21c86171e462 100644
--- a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
@@ -30,6 +30,14 @@ 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";
+ };
};
&flx1 {
@@ -310,5 +318,67 @@ 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;
+ 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>;
+ };
};



--
Nicolas Ferre