linux-kernel - [RFC 7/7] ARM: dts: OMAP3-N950: Add bluetooth

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Message-Id: <1471058078-5579-8-git-send-email-sre@kernel.org>
Date:	Sat, 13 Aug 2016 05:14:38 +0200
From:	Sebastian Reichel <sre@...nel.org>
To:	Sebastian Reichel <sre@...nel.org>,
	Tony Lindgren <tony@...mide.com>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Marcel Holtmann <marcel@...tmann.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.com>
Cc:	Ville Tervo <ville.tervo@....fi>,
	Filip Matijević <filip.matijevic.pz@...il.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Pavel Machek <pavel@....cz>,
	Pali Rohár <pali.rohar@...il.com>,
	ivo.g.dimitrov.75@...il.com, linux-bluetooth@...r.kernel.org,
	linux-serial@...r.kernel.org, linux-omap@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC 7/7] ARM: dts: OMAP3-N950: Add bluetooth

---
 arch/arm/boot/dts/omap3-n950-n9.dtsi | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index 927b17fc4ed8..7c0c53e2f679 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -58,6 +58,13 @@
 			pinctrl-0 = <&debug_leds>;
 		};
 	};
+
+	/* controlled (enabled/disabled) directly by wl1271 */
+	vctcxo: vctcxo {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <38400000>;
+	};
 };
 
 &omap3_pmx_core {
@@ -125,6 +132,16 @@
 			OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE4)            /* gpio_93 (cmt_apeslpx) */
 		>;
 	};
+
+	uart2_pins: pinmux_uart2_pins {
+		pinctrl-single,pins = <
+			OMAP3_CORE1_IOPAD(0x2174, PIN_INPUT | MUX_MODE0)		/* uart2_cts */
+			OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE0)		/* uart2_rts */
+			OMAP3_CORE1_IOPAD(0x2178, PIN_OUTPUT | MUX_MODE0)		/* uart2_tx */
+			OMAP3_CORE1_IOPAD(0x217a, PIN_INPUT | MUX_MODE0)		/* uart2_rx */
+		>;
+	};
+
 };
 
 &omap3_pmx_core2 {
@@ -435,3 +452,20 @@
 &ssi_port2 {
 	status = "disabled";
 };
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+
+	bluetooth {
+		compatible = "nokia,ti,wl1271-bluetooth";
+
+		reset-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>; /* 26 */
+		host-wakeup-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; /* 101 */
+		bluetooth-wakeup-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; /* 37 */
+
+		clocks = <&vctcxo>;
+		clock-names = "sysclk";
+	};
+
+};
-- 
2.8.1