linux-kernel - [PATCH V4 3/3] arm64: dts: add Hi6220 spi configuration nodes

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Date:	Thu, 28 Jan 2016 19:27:43 +0800
From:	Zhong Kaihua <zhongkaihua@...wei.com>
To:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<catalin.marinas@....com>, <will.deacon@....com>,
	<xuyiping@...ilicon.com>, <xuwei5@...ilicon.com>,
	<bintian.wang@...wei.com>, <haojian.zhuang@...aro.org>,
	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
CC:	<w.f@...wei.com>, <dan.zhao@...ilicon.com>,
	<zhongkaihua@...wei.com>, <kong.kongxinwei@...ilicon.com>
Subject: [PATCH V4 3/3] arm64: dts: add Hi6220 spi configuration nodes

arm64: dts: add Hi6220 spi configuration nodes

Signed-off-by: Zhong Kaihua <zhongkaihua@...wei.com>
---
 arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts   |  1 +
 arch/arm64/boot/dts/hisilicon/hi6220.dtsi        | 20 ++++++++++++++++++++
 arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi | 21 +++++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index 4fb0bdc..2313ae0 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -23,6 +23,7 @@
 		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 c1ae42b..facc0f0 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -489,5 +489,25 @@
 			clock-names = "apb_pclk";
 			status = "ok";
 		};
+
+		spi_0: spi@...06000 {
+			compatible = "arm,pl022", "arm,primecell";
+			reg = <0x0 0xf7106000 0x0 0x1000>;
+			interrupts = <0 50 4>;
+			bus-id = <0>;
+			enable-dma = <0>;
+			/*dmas = <&dma0 12 &dma0 13>;*/
+			/*dma-names = "rx", "tx";*/
+
+			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@...10800 {
@@ -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@...01800 {
-- 
1.9.1