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.katsuh...@socionext.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

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