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arm64: dts: hi3660: add spi device nodes 

Add spi2 and spi3 device nodes for hi3660, and enable them for hikey960.

On HiKey960:
 - SPI2 is wired out through low speed expansion connector.
 - SPI3 is wired out through high speed expansion connector.

Signed-off-by: Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
This commit is contained in:
Wang Xiaoyin 2017-06-15 11:04:09 +08:00 committed by Wei Xu
parent fc5f2ed62b
commit 388104979b
2 changed files with 42 additions and 0 deletions
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12
arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
View File

@ -142,3 +142,15 @@
label = "LS-UART1";
status = "okay";
};
&spi2 {
/* On Low speed expansion */
label = "LS-SPI0";
status = "okay";
};
&spi3 {
/* On High speed expansion */
label = "HS-SPI1";
status = "okay";
};

30
arch/arm64/boot/dts/hisilicon/hi3660.dtsi
View File

@ -713,5 +713,35 @@
clocks = <&sctrl HI3660_PCLK_AO_GPIO6>;
clock-names = "apb_pclk";
};
spi2: spi@ffd68000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x0 0xffd68000 0x0 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&crg_ctrl HI3660_CLK_GATE_SPI2>;
clock-names = "apb_pclk";
pinctrl-names = "default";
pinctrl-0 = <&spi2_pmx_func>;
num-cs = <1>;
cs-gpios = <&gpio27 2 0>;
status = "disabled";
};
spi3: spi@ff3b3000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x0 0xff3b3000 0x0 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
interrupts = <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&crg_ctrl HI3660_CLK_GATE_SPI3>;
clock-names = "apb_pclk";
pinctrl-names = "default";
pinctrl-0 = <&spi3_pmx_func>;
num-cs = <1>;
cs-gpios = <&gpio18 5 0>;
status = "disabled";
};
};
};