arm64: dts: uniphier: add fixed regulators for audio codec

This patch adds regulators that have fixed voltage for audio codec
on UniPhier LD11/20 Global boards. This patch fixes warnings about
TAS57xx audio codec such as "tas571x 0-001b: 0-001b supply AVDD
not found, using dummy regulator".

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts b/arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts
index a570fd1..0feec41 100644 (file)
--- a/arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts
@@ -39,6 +39,20 @@
                reg = <0 0x80000000 0 0x40000000>;
        };
 
+       dvdd_reg: reg-fixed {
+               compatible = "regulator-fixed";
+               regulator-name = "DVDD";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
+       amp_vcc_reg: reg-fixed {
+               compatible = "regulator-fixed";
+               regulator-name = "AMP_VCC";
+               regulator-min-microvolt = <24000000>;
+               regulator-max-microvolt = <24000000>;
+       };
+
        sound {
                compatible = "audio-graph-card";
                label = "UniPhier LD11";
@@ -103,6 +117,12 @@
                reset-gpios = <&gpio UNIPHIER_GPIO_PORT(23, 4) GPIO_ACTIVE_LOW>;
                pdn-gpios = <&gpio UNIPHIER_GPIO_PORT(23, 5) GPIO_ACTIVE_LOW>;
                #sound-dai-cells = <0>;
+               AVDD-supply = <&dvdd_reg>;
+               DVDD-supply = <&dvdd_reg>;
+               PVDD_A-supply = <&amp_vcc_reg>;
+               PVDD_B-supply = <&amp_vcc_reg>;
+               PVDD_C-supply = <&amp_vcc_reg>;
+               PVDD_D-supply = <&amp_vcc_reg>;
 
                port@0 {
                        tas_speaker: endpoint {

diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts b/arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts
index bcf384a..6bee22e 100644 (file)
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts
@@ -39,6 +39,20 @@
                reg = <0 0x80000000 0 0xc0000000>;
        };
 
+       dvdd_reg: reg-fixed {
+               compatible = "regulator-fixed";
+               regulator-name = "DVDD";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
+       amp_vcc_reg: reg-fixed {
+               compatible = "regulator-fixed";
+               regulator-name = "AMP_VCC";
+               regulator-min-microvolt = <12000000>;
+               regulator-max-microvolt = <12000000>;
+       };
+
        sound {
                compatible = "audio-graph-card";
                label = "UniPhier LD20";
@@ -103,6 +117,12 @@
                reset-gpios = <&gpio UNIPHIER_GPIO_PORT(0, 0) GPIO_ACTIVE_LOW>;
                pdn-gpios = <&gpio UNIPHIER_GPIO_PORT(0, 1) GPIO_ACTIVE_LOW>;
                #sound-dai-cells = <0>;
+               AVDD-supply = <&dvdd_reg>;
+               DVDD-supply = <&dvdd_reg>;
+               PVDD_A-supply = <&amp_vcc_reg>;
+               PVDD_B-supply = <&amp_vcc_reg>;
+               PVDD_C-supply = <&amp_vcc_reg>;
+               PVDD_D-supply = <&amp_vcc_reg>;
 
                port@0 {
                        tas_speaker: endpoint {