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Commit 60dac1b1 authored by Zhong Kaihua's avatar Zhong Kaihua Committed by Wei Xu
Browse files

arm64: dts: add Hi6220 spi configuration nodes 



Add Hi6220 spi configuration nodes. Disable by default in hi6220.dtsi
and enable it in board dts for usage of 96boards LS mezzanine board.

Signed-off-by: default avatarZhong Kaihua <zhongkaihua@huawei.com>
Signed-off-by: default avatarGuodong Xu <guodong.xu@linaro.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarWei Xu <xuwei5@hisilicon.com>
parent 379e9bf5

arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts

+6 −0
Original line number Diff line number Diff line
@@ -40,6 +40,12 @@ 
		      <0x00000000 0x06e00000 0x00000000 0x0060f000>,

		      <0x00000000 0x07410000 0x00000000 0x36bf0000>;

	};



	soc {

		spi0: spi@f7106000 {

			status = "ok";

		};

	};

};



&uart2 {

arch/arm64/boot/dts/hisilicon/hi6220.dtsi

+15 −0
Original line number Diff line number Diff line
@@ -567,5 +567,20 @@ 
			clocks = <&ao_ctrl 2>;

			clock-names = "apb_pclk";

		};



		spi0: 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 = "disabled";

		};

	};

};

arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi

+21 −0
Original line number Diff line number Diff line
@@ -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 {