diff options
| -rw-r--r-- | arch/arm/dts/exynos5250.dtsi | 41 | ||||
| -rw-r--r-- | doc/device-tree-bindings/exynos/isp-spi.txt | 22 |
2 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi index dc13f29dc3..1008797345 100644 --- a/arch/arm/dts/exynos5250.dtsi +++ b/arch/arm/dts/exynos5250.dtsi @@ -97,4 +97,45 @@ compatible = "samsung,exynos-sound"; reg = <0x12d60000 0x20>; }; + + spi@12d20000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-spi"; + reg = <0x12d20000 0x30>; + interrupts = <0 68 0>; + }; + + spi@12d30000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-spi"; + reg = <0x12d30000 0x30>; + interrupts = <0 69 0>; + }; + + spi@12d40000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-spi"; + reg = <0x12d40000 0x30>; + clock-frequency = <50000000>; + interrupts = <0 70 0>; + }; + + spi@131a0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-spi"; + reg = <0x131a0000 0x30>; + interrupts = <0 129 0>; + }; + + spi@131b0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-spi"; + reg = <0x131b0000 0x30>; + interrupts = <0 130 0>; + }; }; diff --git a/doc/device-tree-bindings/exynos/isp-spi.txt b/doc/device-tree-bindings/exynos/isp-spi.txt new file mode 100644 index 0000000000..b8086e82b1 --- /dev/null +++ b/doc/device-tree-bindings/exynos/isp-spi.txt @@ -0,0 +1,22 @@ +Exynos ISP SPI Subsystem + +The device node for ISP SPI subsytem. +Since Peripheral id in EXYNOS is decoded based on Interrupts, currently +ISP SPI have no individual interrupts hence we add ad dummy interrupt node +which will have a value beyond the maximum number of interrupts exynos5 can +support. + +Required properties : + - compatible : Should be "samsung,exynos-spi" for spi. + - reg : Base adrress of the the subsystem. + - interrupts : A value which is beyond the maximum number of interrupts +exynos5 can support. + +Example: +spi@131a0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "samsung,exynos-spi"; + reg = <0x131a0000 0x30>; + interrupts = <0 129 0>; +}; |