linux-kernel - [PATCH 20/32] ARM: dts: omap3-gta04: add devconf0 setup for mcbsp1 clock pins

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Date:   Wed, 25 Jul 2018 08:58:52 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Marek Belisko <marek@...delico.com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, letux-kernel@...nphoenux.org,
        "H. Nikolaus Schaller" <hns@...delico.com>
Subject: [PATCH 20/32] ARM: dts: omap3-gta04: add devconf0 setup for mcbsp1 clock pins

McBSP1 needs sepcial "pinctrl" for the clocks.

Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 arch/arm/boot/dts/omap3-gta04.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index 935a2a707737..f6abdef556c1 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -187,6 +187,24 @@
 		reset-gpios = <&tca6507 0 GPIO_ACTIVE_LOW>;	/* W2CBW003 reset through tca6507 */
 	};
 
+	/* devconf0 setup for mcbsp1 clock pins */
+	pinmux_mcbsp1@...02274 {
+		compatible = "pinctrl-single";
+		reg = <0x48002274 4>;   /* CONTROL_DEVCONF0 */
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-single,bit-per-mux;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0x7>;	/* MCBSP1 CLK pinmux */
+		#pinctrl-cells = <2>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&mcbsp1_devconf0_pins>;
+		mcbsp1_devconf0_pins: pinmux_mcbsp1_devconf0_pins {
+			/*                   offset bits mask */
+			pinctrl-single,bits = <0x00 0x08 0x1c>;	/* set MCBSP1_CLKR */
+		};
+	};
+
 	/* devconf1 setup for tvout pins */
 	pinmux_tv_out@...022d8 {
 		compatible = "pinctrl-single";
-- 
2.12.2