hi Shawn On 2015/12/2 10:05, Shawn Guo wrote: > On Thu, Nov 26, 2015 at 03:57:03PM +0800, Xinwei Kong wrote: >> This patch adds all I2C nodes for the Hi6220 SoC. This hi6220 Soc >> use this I2C IP of Synopsys Designware for HiKey board. >> >> Signed-off-by: Xinwei Kong <kong.kongxinwei@xxxxxxxxxxxxx> >> --- >> arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 37 +++++++++++++++++++++++++++++++ >> 1 file changed, 37 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi >> index 82d2488..85d4a8b 100644 >> --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi >> +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi >> @@ -208,5 +208,42 @@ >> clock-names = "uartclk", "apb_pclk"; >> status = "disabled"; >> }; >> + >> + i2c0: i2c@f7100000 { >> + compatible = "snps,designware-i2c"; >> + reg = <0x0 0xf7100000 0x0 0x1000>; >> + interrupts = <0 44 4>; >> + clocks = <&sys_ctrl HI6220_I2C0_CLK>; >> + clock-names = "clk_i2c0"; > > Neither bindings doc i2c-designware.txt defines this property, nor > kernel i2c-designware driver uses this property. So I think this > clock-names property can just be dropped. > This property should been delete it. I will debug it in HiKey board then send v3 patch. Thank you xinwei > Otherwise, the patch looks good to me. > > Shawn > >> + i2c-sda-hold-time-ns = <300>; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&i2c0_pmx_func &i2c0_cfg_func>; >> + status = "disabled"; >> + }; >> + >> + i2c1: i2c@f7101000 { >> + compatible = "snps,designware-i2c"; >> + reg = <0x0 0xf7101000 0x0 0x1000>; >> + interrupts = <0 45 4>; >> + clocks = <&sys_ctrl HI6220_I2C1_CLK>; >> + clock-names = "clk_i2c1"; >> + i2c-sda-hold-time-ns = <300>; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&i2c1_pmx_func &i2c1_cfg_func>; >> + status = "disabled"; >> + }; >> + >> + i2c2: i2c@f7102000 { >> + compatible = "snps,designware-i2c"; >> + reg = <0x0 0xf7102000 0x0 0x1000>; >> + interrupts = <0 46 4>; >> + clocks = <&sys_ctrl HI6220_I2C2_CLK>; >> + clock-names = "clk_i2c2"; >> + i2c-sda-hold-time-ns = <300>; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&i2c2_pmx_func &i2c2_cfg_func>; >> + status = "disabled"; >> + }; >> + >> }; >> }; >> -- >> 1.9.1 >> >> >> > > . > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html