From: Zhong Kaihua <zhongkaihua@xxxxxxxxxx>
Add Hi6220 spi configuration nodes
Signed-off-by: Zhong Kaihua <zhongkaihua@xxxxxxxxxx>
Signed-off-by: Wei Xu <xuwei5@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 1 +
arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 15 +++++++++++++++
arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi | 21 +++++++++++++++++++++
3 files changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index 985a2ad..5c9ee31 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -20,6 +20,7 @@
serial1 = &uart1; /* BT UART */
serial2 = &uart2; /* LS Expansion UART0 */
serial3 = &uart3; /* LS Expansion UART1 */
+ spi0 = &spi_0;
};
chosen {
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index c65d8dc..8b74eeb 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -587,5 +587,20 @@
clock-names = "apb_pclk";
status = "ok";
};
+
+ spi_0: spi@f7106000 {
+ compatible = "arm,pl022", "arm,primecell";
+ reg = <0x0 0xf7106000 0x0 0x1000>;
+ interrupts = <0 50 4>;
+ bus-id = <0>;
+ enable-dma = <0>;
+ clocks = <&sys_ctrl HI6220_SPI_CLK>;
+ clock-names = "apb_pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_pmx_func &spi0_cfg_func>;
+ num-cs = <1>;
+ cs-gpios = <&gpio6 2 0>;
+ status = "ok";
+ };
};
};
diff --git a/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi b/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi
index 28806df..0916e84 100644
--- a/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi
@@ -221,6 +221,15 @@
0xfc MUX_M0 /* I2C2_SDA (IOMG063) */
>;
};
+
+ spi0_pmx_func: spi0_pmx_func {
+ pinctrl-single,pins = <
+ 0x1a0 MUX_M1 /* SPI0_DI (IOMG104) */
+ 0x1a4 MUX_M1 /* SPI0_DO (IOMG105) */
+ 0x1a8 MUX_M1 /* SPI0_CS_N (IOMG106) */
+ 0x1ac MUX_M1 /* SPI0_CLK (IOMG107) */
+ >;
+ };
};
pmx1: pinmux@f7010800 {
@@ -625,6 +634,18 @@
pinctrl-single,bias-pullup = <PULL_DIS PULL_UP PULL_DIS PULL_UP>;
pinctrl-single,drive-strength = <DRIVE1_02MA DRIVE_MASK>;
};
+
+ spi0_cfg_func: spi0_cfg_func {
+ pinctrl-single,pins = <
+ 0x1b0 0x0 /* SPI0_DI (IOCFG108) */
+ 0x1b4 0x0 /* SPI0_DO (IOCFG109) */
+ 0x1b8 0x0 /* SPI0_CS_N (IOCFG110) */
+ 0x1bc 0x0 /* SPI0_CLK (IOCFG111) */
+ >;
+ pinctrl-single,bias-pulldown = <PULL_DIS PULL_DOWN PULL_DIS PULL_DOWN>;
+ pinctrl-single,bias-pullup = <PULL_DIS PULL_UP PULL_DIS PULL_UP>;
+ pinctrl-single,drive-strength = <DRIVE1_02MA DRIVE_MASK>;
+ };
};
pmx2: pinmux@f8001800 {
--
1.9.1
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