hi Shawn,
On 2015/11/25 20:24, Shawn Guo wrote:
> On Wed, Nov 25, 2015 at 05:49:02PM +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>
>> Signed-off-by: Chen Feng <puck.chen@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..6b591a9 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";
>> + i2c-sda-hold-time-ns = <300>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&i2c0_pmx_func &i2c0_cfg_func>;
>> + status = "ok";
>
> Shouldn't it be set "disabled" in <soc>.dtsi and let <board>.dts enable
> it per board design?
>
> Shawn
get it.
thank you
xinwei
>
>> + };
>> +
>> + 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 = "ok";
>> + };
>> +
>> + 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 = "ok";
>> + };
>> +
>> };
>> };
>> --
>> 1.9.1
>>
>>
>>
>> _______________________________________________
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>> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
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>>
>
> .
>
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