Add device nodes for the three instances of i2s controllers in Exynos5 platforms. Enable instance i2s 0 for exynos5250 board and disable all other i2s instances.
Signed-off-by: Padmavathi Venna <[email protected]> --- arch/arm/boot/dts/exynos5250-smdk5250.dts | 14 ++++++++++++++ arch/arm/boot/dts/exynos5250.dtsi | 29 +++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 405009c..3b2a3c9 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -193,4 +193,18 @@ hdmi { hpd-gpio = <&gpx3 7 0xf 1 3>; }; + + i2s_0: i2s@03830000 { + gpios = <&gpz 0 2 0 0>, <&gpz 1 2 0 0>, <&gpz 2 2 0 0>, + <&gpz 3 2 0 0>, <&gpz 4 2 0 0>, <&gpz 5 2 0 0>, + <&gpz 6 2 0 0>; + }; + + i2s_1: i2s@12D60000 { + status = "disabled"; + }; + + i2s_2: i2s@12D70000 { + status = "disabled"; + }; }; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index cf6a02d..a168e98 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -31,6 +31,9 @@ gsc1 = &gsc_1; gsc2 = &gsc_2; gsc3 = &gsc_3; + i2s0 = &i2s_0; + i2s1 = &i2s_1; + i2s2 = &i2s_2; }; gic:interrupt-controller@10481000 { @@ -238,6 +241,32 @@ #size-cells = <0>; }; + i2s_0: i2s@03830000 { + compatible = "samsung,samsung-i2s"; + reg = <0x03830000 0x100>; + tx-dma-channel-secondary = <&pdma0 8>; /* preliminary */ + tx-dma-channel = <&pdma0 10>; /* preliminary */ + rx-dma-channel = <&pdma0 9>; /* preliminary */ + samsung,supports-6ch; + samsung,supports-rstclr; + samsung,supports-secdai; + samsung,idma-addr = <0x03000000>; + }; + + i2s_1: i2s@12D60000 { + compatible = "samsung,samsung-i2s"; + reg = <0x12D60000 0x100>; + tx-dma-channel = <&pdma1 12>; /* preliminary */ + rx-dma-channel = <&pdma1 11>; /* preliminary */ + }; + + i2s_2: i2s@12D70000 { + compatible = "samsung,samsung-i2s"; + reg = <0x12D70000 0x100>; + tx-dma-channel = <&pdma0 12>; /* preliminary */ + rx-dma-channel = <&pdma0 11>; /* preliminary */ + }; + amba { #address-cells = <1>; #size-cells = <1>; -- 1.7.4.4 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
