linux-kernel - [PATCH v4 5/5] ARM: dts: omap4-embt2ws: enable 32K clock on WLAN

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Date:   Sat, 16 Sep 2023 12:05:15 +0200
From:   Andreas Kemnade <andreas@...nade.info>
To:     dmitry.torokhov@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        lee@...nel.org, bcousson@...libre.com, tony@...mide.com,
        mturquette@...libre.com, sboyd@...nel.org, andreas@...nade.info,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: [PATCH v4 5/5] ARM: dts: omap4-embt2ws: enable 32K clock on WLAN

WLAN did only work if clock was left enabled by the original system,
so make it fully enable the needed resources itself.

Signed-off-by: Andreas Kemnade <andreas@...nade.info>
---
 arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
index ee86981b2e448..9d2f2d8639496 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -69,6 +69,12 @@ unknown_supply: unknown-supply {
 		regulator-name = "unknown";
 	};
 
+	wl12xx_pwrseq: wl12xx-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		clocks = <&twl 1>;
+		clock-names = "ext_clock";
+	};
+
        /* regulator for wl12xx on sdio2 */
 	wl12xx_vmmc: wl12xx-vmmc {
 		pinctrl-names = "default";
@@ -92,6 +98,7 @@ &i2c1 {
 	twl: pmic@48 {
 		compatible = "ti,twl6032";
 		reg = <0x48>;
+		#clock-cells = <1>;
 		/* IRQ# = 7 */
 		interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; /* IRQ_SYS_1N cascaded to gic */
 		interrupt-controller;
@@ -316,6 +323,7 @@ &mmc3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&wl12xx_pins>;
 	vmmc-supply = <&wl12xx_vmmc>;
+	mmc-pwrseq = <&wl12xx_pwrseq>;
 	interrupts-extended = <&wakeupgen GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH
 			       &omap4_pmx_core 0x12e>;
 	non-removable;
-- 
2.39.2