riscv: dts: canaan: use custom compatible for k210 i2s

The devicetrees using the Canaan k210 all have a sound-dai-cells value
of 1, whereas the standard binding example for the DesignWare i2s and
other use cases suggest 0. Use a k210 specific compatible which
supports this difference.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220705215213.1802496-10-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
index 72f7012..900dc62 100644 (file)
--- a/arch/riscv/boot/dts/canaan/k210.dtsi
+++ b/arch/riscv/boot/dts/canaan/k210.dtsi
@@ -251,7 +251,7 @@
                        };
 
                        i2s0: i2s@50250000 {
-                               compatible = "snps,designware-i2s";
+                               compatible = "canaan,k210-i2s", "snps,designware-i2s";
                                reg = <0x50250000 0x200>;
                                interrupts = <5>;
                                clocks = <&sysclk K210_CLK_I2S0>;
@@ -260,7 +260,7 @@
                        };
 
                        i2s1: i2s@50260000 {
-                               compatible = "snps,designware-i2s";
+                               compatible = "canaan,k210-i2s", "snps,designware-i2s";
                                reg = <0x50260000 0x200>;
                                interrupts = <6>;
                                clocks = <&sysclk K210_CLK_I2S1>;
@@ -269,7 +269,7 @@
                        };
 
                        i2s2: i2s@50270000 {
-                               compatible = "snps,designware-i2s";
+                               compatible = "canaan,k210-i2s", "snps,designware-i2s";
                                reg = <0x50270000 0x200>;
                                interrupts = <7>;
                                clocks = <&sysclk K210_CLK_I2S2>;