ARM: dts: sun8i: V3: add I2S interface to V3 dts

The Allwinner V3 SoC features an I2S interface. The I2S peripheral is
identical to that in the Allwinner H3 SoC.
This commit adds it to the Allwinner V3 dts.

Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210514134405.2097464-8-t.schramm@manjaro.org

diff --git a/arch/arm/boot/dts/sun8i-v3.dtsi b/arch/arm/boot/dts/sun8i-v3.dtsi
index 8af790d286b9c2fb5fb46b00ba1d8e4beec06d60..186c30cbe6ee8b13b180eb9f4808f63e29c5261b 100644 (file)
--- a/arch/arm/boot/dts/sun8i-v3.dtsi
+++ b/arch/arm/boot/dts/sun8i-v3.dtsi
@@ -1,10 +1,31 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
  * Copyright (C) 2019 Icenowy Zheng <icenowy@aosc.io>
+ * Copyright (C) 2021 Tobias Schramm <t.schramm@manjaro.org>
  */
 
 #include "sun8i-v3s.dtsi"
 
+/ {
+       soc {
+               i2s0: i2s@1c22000 {
+                       #sound-dai-cells = <0>;
+                       compatible = "allwinner,sun8i-v3-i2s",
+                                    "allwinner,sun8i-h3-i2s";
+                       reg = <0x01c22000 0x400>;
+                       interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&ccu CLK_BUS_I2S0>, <&ccu CLK_I2S0>;
+                       clock-names = "apb", "mod";
+                       dmas = <&dma 3>, <&dma 3>;
+                       dma-names = "rx", "tx";
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2s0_pins>;
+                       resets = <&ccu RST_BUS_I2S0>;
+                       status = "disabled";
+               };
+       };
+};
+
 &ccu {
        compatible = "allwinner,sun8i-v3-ccu";
 };
@@ -30,6 +51,11 @@
 &pio {
        compatible = "allwinner,sun8i-v3-pinctrl";
 
+       i2s0_pins: i2s0-pins {
+               pins = "PG10", "PG11", "PG12", "PG13";
+               function = "i2s";
+       };
+
        uart1_pg_pins: uart1-pg-pins {
                pins = "PG6", "PG7";
                function = "uart1";