linux-kernel - [PATCH v2] ARM: dts: omap4-embt2ws: Add Bluetooth

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Message-Id: <20231004070309.2408745-1-andreas@kemnade.info>
Date:   Wed,  4 Oct 2023 09:03:09 +0200
From:   Andreas Kemnade <andreas@...nade.info>
To:     bcousson@...libre.com, tony@...mide.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Andreas Kemnade <andreas@...nade.info>
Subject: [PATCH v2] ARM: dts: omap4-embt2ws: Add Bluetooth

Since the required clock is now available, add bluetooth.

Note: Firmware (bts file) from device vendor reroutes tx for some time
during initialisation and later put it back, producing timeouts in
bluetooth initialisation but ignoring that command leads to proper
initialisation.

Signed-off-by: Andreas Kemnade <andreas@...nade.info>
---
Depends on: https://lore.kernel.org/linux-omap/20230916100515.1650336-6-andreas@kemnade.info/T/#u

Changes in V2:
- more standard node name, removing unneeded label

 arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

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 46a80eacf771..6a790124bcf5 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -447,10 +447,12 @@ &uart2 {
 	interrupts-extended = <&wakeupgen GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH
 			       &omap4_pmx_core OMAP4_UART2_RX>;
 
-	/*
-	 * BT + GPS in WL1283 in WG7500 requiring CLK32KAUDIO of pmic
-	 * which does not have a driver
-	 */
+	bluetooth-gnss {
+		compatible = "ti,wl1283-st";
+		enable-gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;	/* GPIO_25 */
+		clocks = <&twl 1>;
+		clock-names = "ext_clock";
+	};
 };
 
 &uart3 {
-- 
2.39.2