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rk3328: add patch to enabled pcm5102 DAC on I2S1 bus

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This commit is contained in:
Paolo Sabatino
2023-04-22 14:15:59 +02:00
committed by Igor Pečovnik
parent 26fb31cfbf
commit c7740059da
1 changed files with 136 additions and 0 deletions
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136
patch/kernel/archive/rockchip64-6.1/overlays-14-add-rk3328-pcm5102-dac.patch Normal file
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@@ -0,0 +1,136 @@
From f8874f8d3cefa49ef1613686296462703a5b8c7b Mon Sep 17 00:00:00 2001
From: Paolo Sabatino <paolo.sabatino@gmail.com>
Date: Sat, 22 Apr 2023 12:31:45 +0200
Subject: [PATCH] rk3328: add dtb overlay to enable pcm5102 DAC on i2s1 bus
---
arch/arm64/boot/dts/rockchip/overlay/Makefile | 1 +
.../overlay/rockchip-rk3328-i2s1-pcm5102.dts | 104 ++++++++++++++++++
2 files changed, 105 insertions(+)
create mode 100644 arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3328-i2s1-pcm5102.dts
diff --git a/arch/arm64/boot/dts/rockchip/overlay/Makefile b/arch/arm64/boot/dts/rockchip/overlay/Makefile
index fe2e3e46e..b0ddfce1a 100644
--- a/arch/arm64/boot/dts/rockchip/overlay/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlay/Makefile
@@ -25,6 +25,7 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
rockchip-rk3318-box-wlan-ap6330.dtbo \
rockchip-rk3318-box-cpu-hs.dtbo \
rockchip-rk3318-box-emmc-hs200.dtbo \
+ rockchip-rk3328-i2s1-pcm5102.dtbo \
rk3308-bs.dtbo rk3308-bs@1.3ghz.dtbo \
rk3308-sdio@10mhz.dtbo rk3308-sdio@4mhz.dtbo \
rk3308-emmc.dtbo
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3328-i2s1-pcm5102.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3328-i2s1-pcm5102.dts
new file mode 100644
index 000000000..5153440c0
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3328-i2s1-pcm5102.dts
@@ -0,0 +1,104 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+/*
+ * Device tree overlay to disabled internal analog codec for
+ * rk3328 boards and enable external i2s, binding it to a
+ * pcm5102-based DAC.
+ * Tested on rock-pi E, but should be suitable for other
+ * similar boards
+ */
+
+&{/} {
+
+ pcm5102: pcm510x {
+ #sound-dai-cells = <0>;
+ compatible = "ti,pcm5102a";
+ pcm510x,format = "i2s";
+ status = "okay";
+ };
+
+ i2s_sound: i2s-sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,mclk-fs = <256>;
+ simple-audio-card,name = "I2S";
+ status = "okay";
+
+ simple-audio-card,cpu {
+ sound-dai = <&i2s1>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&pcm5102>;
+ };
+ };
+
+};
+
+&analog_sound {
+ status = "disabled";
+};
+
+&codec {
+ status = "disabled";
+};
+
+&i2s1_mclk {
+ rockchip,pins = <2 RK_PB7 1 &pcfg_pull_down>;
+};
+
+&i2s1_sclk {
+ rockchip,pins = <2 RK_PC2 1 &pcfg_pull_down>;
+};
+
+&i2s1_lrckrx {
+ rockchip,pins = <2 RK_PC0 1 &pcfg_pull_up>;
+};
+
+&i2s1_lrcktx {
+ rockchip,pins = <2 RK_PC1 1 &pcfg_pull_up>;
+};
+
+&i2s1_sdi {
+ rockchip,pins = <2 RK_PC3 1 &pcfg_pull_up>;
+};
+
+&i2s1_sdo {
+ rockchip,pins = <2 RK_PC7 1 &pcfg_pull_up>;
+};
+
+&i2s1_sdio1 {
+ rockchip,pins = <2 RK_PC4 1 &pcfg_pull_up>;
+};
+
+&i2s1_sdio2 {
+ rockchip,pins = <2 RK_PC5 1 &pcfg_pull_up>;
+};
+
+&i2s1_sdio3 {
+ rockchip,pins = <2 RK_PC6 1 &pcfg_pull_up>;
+};
+
+&i2s1_sleep {
+ rockchip,pins =
+ <2 RK_PB7 RK_FUNC_GPIO &pcfg_input_high>,
+ <2 RK_PC0 RK_FUNC_GPIO &pcfg_input_high>,
+ <2 RK_PC1 RK_FUNC_GPIO &pcfg_input_high>,
+ <2 RK_PC2 RK_FUNC_GPIO &pcfg_input_high>,
+ <2 RK_PC3 RK_FUNC_GPIO &pcfg_input_high>,
+ <2 RK_PC4 RK_FUNC_GPIO &pcfg_input_high>,
+ <2 RK_PC5 RK_FUNC_GPIO &pcfg_input_high>,
+ <2 RK_PC6 RK_FUNC_GPIO &pcfg_input_high>,
+ <2 RK_PC7 RK_FUNC_GPIO &pcfg_input_high>;
+};
+
+&i2s1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2s1_mclk>, <&i2s1_sclk>, <&i2s1_lrckrx>, <&i2s1_lrcktx>, <&i2s1_sdi>, <&i2s1_sdo>, <&i2s1_sdio1>, <&i2s1_sdio2>;
+ rockchip,playback-channels = <8>;
+};
--
2.34.1