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author | Zhong Kaihua <zhongkaihua@huawei.com> | 2016-04-13 02:55:42 +0300 |
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committer | Wei Xu <xuwei5@hisilicon.com> | 2016-04-15 18:21:45 +0300 |
commit | 60dac1b19b6af6ddc4df68d163e2d7508057c007 (patch) | |
tree | e178cdc79a58cff1f7c55c2c96fc2b854f32f9c7 /arch/arm64/boot | |
parent | 379e9bf52daaaa841ecc4eed3f2c5c86845c45a9 (diff) | |
download | linux-60dac1b19b6af6ddc4df68d163e2d7508057c007.tar.xz |
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: Zhong Kaihua <zhongkaihua@huawei.com>
Signed-off-by: Guodong Xu <guodong.xu@linaro.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Diffstat (limited to 'arch/arm64/boot')
-rw-r--r-- | arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 6 | ||||
-rw-r--r-- | arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 15 | ||||
-rw-r--r-- | arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi | 21 |
3 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts index 3d9e8b2d2b18..7545e363fbde 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts @@ -40,6 +40,12 @@ <0x00000000 0x06e00000 0x00000000 0x0060f000>, <0x00000000 0x07410000 0x00000000 0x36bf0000>; }; + + soc { + spi0: spi@f7106000 { + status = "ok"; + }; + }; }; &uart2 { diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index df56571703b0..7bcfffe5dfd9 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -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"; + }; }; }; diff --git a/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi b/arch/arm64/boot/dts/hisilicon/hikey-pinctrl.dtsi index 28806df214d7..0916e8459d6b 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 { |