137 lines
3.5 KiB
Diff
137 lines
3.5 KiB
Diff
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
|
|
|