[PATCH v4 4/9] ARM: dts: support pinctrl single in pxa910
Haojian Zhuang
haojian.zhuang at gmail.com
Sat Nov 10 00:37:03 EST 2012
On Sat, Nov 10, 2012 at 6:48 AM, Tony Lindgren <tony at atomide.com> wrote:
> Hi,
>
> To clarify my binding change comment for the generic pinconf
> support, here's an example.
>
> We need to move pinctrl-single pinconf properties here for
> each pin group:
>
> * Haojian Zhuang <haojian.zhuang at gmail.com> [121107 07:21]:
>> + uart1_pins: pinmux_uart1_pins {
>> + pinctrl-single,pins = <
>> + 0x198 0x6 /* GPIO47_UART1_RXD */
>> + 0x19c 0x6 /* GPIO48_UART1_TXD */
>> + >;
>> + pinctrl-single,power-source = <0x2>;
>> + pinctrl-single,bias = <0x6>;
> pinctrl-single,power-source-mask = <0x1800>;
> pinctrl-single,bias-mask = <0xe000>;
> pinctrl-single,bias-disable = <0>;
> pinctrl-single,bias-pull-down = <0xa000>;
> pinctrl-single,bias-pull-up = <0xc000>;
It's OK.
>> + };
>
>
>
>> --- a/arch/arm/boot/dts/pxa910.dtsi
>> +++ b/arch/arm/boot/dts/pxa910.dtsi
>> @@ -54,6 +54,80 @@
>> reg = <0xd4000000 0x00200000>;
>> ranges;
>>
>> + pmx: pinmux at d401e000 {
>> + compatible = "pinconf-single";
>> + reg = <0xd401e000 0x0330>;
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + ranges;
>> +
>> + pinctrl-single,register-width = <32>;
>> + pinctrl-single,function-mask = <7>;
>
> And then..
>
>> + pinctrl-single,power-source-mask = <0x1800>;
>> + pinctrl-single,bias-mask = <0xe000>;
>> + pinctrl-single,bias-disable = <0>;
>> + pinctrl-single,bias-pull-down = <0xa000>;
>> + pinctrl-single,bias-pull-up = <0xc000>;
>> + pinctrl-single,input-schmitt-mask = <0x70>;
>
> ..remove these from here. Otherwise pinctrl-single,bits type controllers
> won't be able to use the pinconf functions as we can have multiple pins
> supported in a single register.
>
Will do
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