From e26f8fc2fd773fc60b2a4e52c782c88046403e26 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Thu, 2 Aug 2018 19:55:04 +0800 Subject: [PATCH] MLK-19118-4: ARM: dts: add supply for audio codec on audio board There is a change in imx8mm evk revb board, which is to add a i2c control for power enablement of audio board, that software can control the power of audio board, which can resolve the issue that with audio board the cpu board can't reboot issue. In this patch add power supply for each AK series codecs Signed-off-by: Shengjiu Wang (cherry picked from commit 1d3d7e6d6ecd0ab62fb9bb568a5afeb2fbeda1ca) --- .../boot/dts/freescale/fsl-imx8mm-evk.dts | 24 ++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts index 7268ee191295..f20f18f0bdf4 100755 --- a/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk.dts @@ -69,6 +69,16 @@ gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + reg_audio_board: regulator-audio-board { + compatible = "regulator-fixed"; + regulator-name = "EXT_PWREN"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + startup-delay-us = <300000>; + gpio = <&pca6416 1 GPIO_ACTIVE_HIGH>; + }; }; wm8524: wm8524 { @@ -93,7 +103,7 @@ model = "ak4458-audio"; audio-cpu = <&sai1>; audio-codec = <&ak4458_1>, <&ak4458_2>; - ak4458,pdn-gpio = <&pca6416 2 GPIO_ACTIVE_HIGH>; + ak4458,pdn-gpio = <&pca6416 4 GPIO_ACTIVE_HIGH>; }; sound-ak5558 { @@ -729,23 +739,31 @@ ak4458_1: ak4458@10 { compatible = "asahi-kasei,ak4458"; reg = <0x10>; + AVDD-supply = <®_audio_board>; + DVDD-supply = <®_audio_board>; }; ak4458_2: ak4458@12 { compatible = "asahi-kasei,ak4458"; reg = <0x12>; + AVDD-supply = <®_audio_board>; + DVDD-supply = <®_audio_board>; }; ak5558: ak5558@13 { compatible = "asahi-kasei,ak5558"; reg = <0x13>; - ak5558,pdn-gpio = <&pca6416 1 GPIO_ACTIVE_HIGH>; + ak5558,pdn-gpio = <&pca6416 3 GPIO_ACTIVE_HIGH>; + AVDD-supply = <®_audio_board>; + DVDD-supply = <®_audio_board>; }; ak4497: ak4497@11 { compatible = "asahi-kasei,ak4497"; reg = <0x11>; - ak4497,pdn-gpio = <&pca6416 3 GPIO_ACTIVE_HIGH>; + ak4497,pdn-gpio = <&pca6416 5 GPIO_ACTIVE_HIGH>; + AVDD-supply = <®_audio_board>; + DVDD-supply = <®_audio_board>; }; ov5640_mipi: ov5640_mipi@3c {