linux-kernel - [RFCv4 09/11] DTS: ARM: OMAP3-N900: Add SSI support

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Message-Id: <1387150085-23173-10-git-send-email-sre@debian.org>
Date:	Mon, 16 Dec 2013 00:28:02 +0100
From:	Sebastian Reichel <sre@...ian.org>
To:	Sebastian Reichel <sre@...g0.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Shubhrajyoti Datta <omaplinuxkernel@...il.com>,
	Carlos Chinea <cch.devel@...il.com>
Cc:	Tony Lindgren <tony@...mide.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>,
	'Benoît Cousson' <bcousson@...libre.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org,
	Pali Rohár <pali.rohar@...il.com>,
	Ивайло Димитров 
	<freemangordon@....bg>,
	Joni Lapilainen <joni.lapilainen@...il.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Sebastian Reichel <sre@...ian.org>
Subject: [RFCv4 09/11] DTS: ARM: OMAP3-N900: Add SSI support

Add SSI device tree data for OMAP3 and Nokia N900.

Signed-off-by: Sebastian Reichel <sre@...ian.org>
---
 arch/arm/boot/dts/omap3-n900.dts | 28 ++++++++++++++++++++++++
 arch/arm/boot/dts/omap3.dtsi     | 47 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 6fc85f9..52f5099 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -145,6 +145,19 @@
 			0x0d4 (PIN_OUTPUT | MUX_MODE4)		/* RX51_LCD_RESET_GPIO */
 		>;
 	};
+
+	ssi_pins: pinmux_ssi {
+		pinctrl-single,pins = <
+			0x150 (PIN_INPUT_PULLUP | MUX_MODE1)	/* ssi1_rdy_tx */
+			0x14e (PIN_OUTPUT | MUX_MODE1)		/* ssi1_flag_tx */
+			0x152 (PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* ssi1_wake_tx (cawake) */
+			0x14c (PIN_OUTPUT | MUX_MODE1)		/* ssi1_dat_tx */
+			0x154 (PIN_INPUT | MUX_MODE1)		/* ssi1_dat_rx */
+			0x156 (PIN_INPUT | MUX_MODE1)		/* ssi1_flag_rx */
+			0x158 (PIN_OUTPUT | MUX_MODE1)		/* ssi1_rdy_rx */
+			0x15a (PIN_OUTPUT | MUX_MODE1)		/* ssi1_wake */
+		>;
+	};
 };
 
 &i2c1 {
@@ -490,6 +503,21 @@
 	power = <50>;
 };
 
+&ssi_port1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ssi_pins>;
+
+	ti,ssi-cawake-gpio = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* 151 */
+
+	ssi-char {
+		compatible = "ssi-char";
+	};
+};
+
+&ssi_port2 {
+	status = "disabled";
+};
+
 &uart1 {
 	status = "disabled";
 };
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index daabf99..b7e485c 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -630,5 +630,52 @@
 			num-eps = <16>;
 			ram-bits = <12>;
 		};
+
+		ssi: ssi-controller@...58000 {
+			compatible = "ti,omap3-ssi";
+			ti,hwmods = "ssi";
+
+			reg = <0x48058000 0x1000>,
+			      <0x48059000 0x1000>;
+			reg-names = "sys",
+				    "gdd";
+
+			interrupts = <71>;
+			interrupt-names = "gdd_mpu";
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			ssi_port1: ssi-port@0 {
+				compatible = "ti,omap3-ssi-port";
+
+				reg = <0x4805a000 0x800>,
+				      <0x4805a800 0x800>;
+				reg-names = "tx",
+					    "rx";
+
+				interrupt-parent = <&intc>;
+				interrupts = <67>,
+					     <68>;
+				interrupt-names = "mpu_irq0",
+						  "mpu_irq1";
+			};
+
+			ssi_port2: ssi-port@1 {
+				compatible = "ti,omap3-ssi-port";
+
+				reg = <0x4805b000 0x800>,
+				      <0x4805b800 0x800>;
+				reg-names = "tx",
+					    "rx";
+
+				interrupt-parent = <&intc>;
+				interrupts = <69>,
+					     <70>;
+				interrupt-names = "mpu_irq0",
+						  "mpu_irq1";
+			};
+		};
 	};
 };
-- 
1.8.5.1

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