diff options
| author | Girish K S <ks.giri@samsung.com> | 2013-06-18 01:35:14 +0400 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2013-06-18 01:35:14 +0400 |
| commit | dabd3f9d0033e1d4dd3674f5942523d5b254fa28 (patch) | |
| tree | bd8003d27ff9cf162f0e547bc54a576e458e9f47 | |
| parent | a38089057fa450944f2e2d07885d76fd727c8d16 (diff) | |
| download | linux-dabd3f9d0033e1d4dd3674f5942523d5b254fa28.tar.xz | |
ARM: dts: enable spi for EXYNOS5440 SOC
This patch enables the SPI in EXYNOS5440 SoC. The NOR
Flash can be accessed by enabling the spi interface
Signed-off-by: Girish K S <ks.giri@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| -rw-r--r-- | arch/arm/boot/dts/exynos5440-ssdk5440.dts | 39 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos5440.dtsi | 14 |
2 files changed, 46 insertions, 7 deletions
diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts b/arch/arm/boot/dts/exynos5440-ssdk5440.dts index d55042beb5c5..a85ac0e27c3e 100644 --- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts +++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts @@ -20,8 +20,43 @@ bootargs = "root=/dev/sda2 rw rootwait ignore_loglevel early_printk no_console_suspend mem=2048M@0x80000000 console=ttySAC0,115200"; }; - spi { - status = "disabled"; + spi_0: spi@D0000 { + + flash: w25q128@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "winbond,w25q128"; + spi-max-frequency = <15625000>; + reg = <0>; + controller-data { + samsung,spi-feedback-delay = <0>; + }; + + partition@00000 { + label = "BootLoader"; + reg = <0x60000 0x80000>; + read-only; + }; + + partition@e0000 { + label = "Recovery-Kernel"; + reg = <0xe0000 0x300000>; + read-only; + }; + + partition@3e0000 { + label = "CRAM-FS"; + reg = <0x3e0000 0x700000>; + read-only; + }; + + partition@ae0000 { + label = "User-Data"; + reg = <0xae0000 0x520000>; + }; + + }; + }; fixed-rate-clocks { diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi index 9fd78842e0e0..d2a48be7c0f3 100644 --- a/arch/arm/boot/dts/exynos5440.dtsi +++ b/arch/arm/boot/dts/exynos5440.dtsi @@ -16,6 +16,10 @@ interrupt-parent = <&gic>; + aliases { + spi0 = &spi_0; + }; + clock: clock-controller@0x160000 { compatible = "samsung,exynos5440-clock"; reg = <0x160000 0x1000>; @@ -101,14 +105,14 @@ clock-names = "uart", "clk_uart_baud0"; }; - spi { - compatible = "samsung,exynos4210-spi"; - reg = <0xD0000 0x1000>; + spi_0: spi@D0000 { + compatible = "samsung,exynos5440-spi"; + reg = <0xD0000 0x100>; interrupts = <0 4 0>; - tx-dma-channel = <&pdma0 5>; /* preliminary */ - rx-dma-channel = <&pdma0 4>; /* preliminary */ #address-cells = <1>; #size-cells = <0>; + samsung,spi-src-clk = <0>; + num-cs = <1>; clocks = <&clock 21>, <&clock 16>; clock-names = "spi", "spi_busclk0"; }; |