From: Wang Xiaoyin <hw.wangxiaoyin@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Signed-off-by: Guodong Xu <guodong.xu@xxxxxxxxxx>
---
arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 12 +++++++++
arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 30 +++++++++++++++++++++++
2 files changed, 42 insertions(+)
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index 9ecf6c6..ca448f0 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -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";
+};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 3b2a3a7..a6b91f1 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -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";
+ };
};
};
--
2.10.2
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