linux-kernel - [PATCH] arm64: dts: uniphier: divide I2S and S/PDIF audio out pin-mux group

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Date:   Wed, 14 Mar 2018 15:37:00 +0900
From:   Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
To:     linux-arm-kernel@...ts.infradead.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        devicetree@...r.kernel.org
Cc:     Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        linux-kernel@...r.kernel.org,
        Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
Subject: [PATCH] arm64: dts: uniphier: divide I2S and S/PDIF audio out pin-mux group

This patch divides large pin-mux group 'aio' of UniPhier LD11/LD20
audio system as following:
  aout1   : 8ch I2S output: AO1DACCK, AO1BCK, AO1LRCK, AO1D[0-2]
  aoutiec1: S/PDIF output : AO1IEC, AO1ARC

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
---
 arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi | 5 +++--
 arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 9 +++++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
index c17b77091129..e64b03fc0cae 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
@@ -192,7 +192,8 @@
 			reg = <0x56000000 0x80000>;
 			interrupts = <0 144 4>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_aout>;
+			pinctrl-0 = <&pinctrl_aout1>,
+				    <&pinctrl_aoutiec1>;
 			clock-names = "aio";
 			clocks = <&sys_clk 40>;
 			reset-names = "aio";
@@ -578,7 +579,7 @@
 
 #include "uniphier-pinctrl.dtsi"
 
-&pinctrl_aout {
+&pinctrl_aoutiec1 {
 	drive-strength = <4>;	/* default: 4mA */
 
 	ao1arc {
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
index c85e790fd00d..9a5df24059a2 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
@@ -292,7 +292,8 @@
 			reg = <0x56000000 0x80000>;
 			interrupts = <0 144 4>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_aout>;
+			pinctrl-0 = <&pinctrl_aout1>,
+				    <&pinctrl_aoutiec1>;
 			clock-names = "aio";
 			clocks = <&sys_clk 40>;
 			reset-names = "aio";
@@ -633,13 +634,17 @@
 
 #include "uniphier-pinctrl.dtsi"
 
-&pinctrl_aout {
+&pinctrl_aout1 {
 	drive-strength = <4>;	/* default: 3.5mA */
 
 	ao1dacck {
 		pins = "AO1DACCK";
 		drive-strength = <5>;	/* 5mA */
 	};
+};
+
+&pinctrl_aoutiec1 {
+	drive-strength = <4>;	/* default: 3.5mA */
 
 	ao1arc {
 		pins = "AO1ARC";
-- 
2.16.1