Dne četrtek, 13. maj 2021 ob 21:09:49 CEST je Tobias Schramm napisal(a):
> The Allwinner V3 SoC features an I2S interface. The I2C peripheral is
I2C -> I2S
> identical to that in the Allwinner H3 SoC.
> This commit adds it to the Allwinner V3 dts.
>
> Signed-off-by: Tobias Schramm <t.schramm@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-v3.dtsi | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-v3.dtsi b/arch/arm/boot/dts/sun8i-
v3.dtsi
> index c279e13583ba..0061c49523f2 100644
> --- a/arch/arm/boot/dts/sun8i-v3.dtsi
> +++ b/arch/arm/boot/dts/sun8i-v3.dtsi
> @@ -1,10 +1,30 @@
> // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> /*
> * Copyright (C) 2019 Icenowy Zheng <icenowy@xxxxxxx>
> + * Copyright (C) 2021 Tobias Schramm <t.schramm@xxxxxxxxxxx>
It's uncommon to add additional copyrights just for one node, but ok.
> */
>
> #include "sun8i-v3s.dtsi"
>
> +/ {
> + soc {
> + i2s0: i2s@1c22000 {
> + #sound-dai-cells = <0>;
> + compatible = "allwinner,sun8i-h3-
i2s";
You have to add v3s compatible as a fallback (and document it in devicetree
documentation).
Best regards,
Jernej
> + 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";
> };
> @@ -25,6 +45,11 @@ external_mdio: mdio@2 {
> &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";
> --
> 2.30.1
>
>
>
