[PATCH 04/14] ARM: dts: dra76x: Create a common file with MMC/SD IOdelay data

Kishon Vijay Abraham I kishon at ti.com
Thu Dec 14 22:09:54 PST 2017


Hi Tony,

On Thursday 14 December 2017 08:45 PM, Tony Lindgren wrote:
> * Kishon Vijay Abraham I <kishon at ti.com> [171214 13:44]:
>> +&dra7_pmx_core {
>> +	mmc1_pins_default: mmc1_pins_default {
>> +		pinctrl-single,pins = <
>> +			DRA7XX_CORE_IOPAD(0x3754, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_clk.clk */
>> +			DRA7XX_CORE_IOPAD(0x3758, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_cmd.cmd */
>> +			DRA7XX_CORE_IOPAD(0x375c, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat0.dat0 */
>> +			DRA7XX_CORE_IOPAD(0x3760, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat1.dat1 */
>> +			DRA7XX_CORE_IOPAD(0x3764, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat2.dat2 */
>> +			DRA7XX_CORE_IOPAD(0x3768, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat3.dat3 */
>> +		>;
>> +	};
>> +
>> +	mmc1_pins_sdr12: mmc1_pins_sdr12 {
>> +		pinctrl-single,pins = <
>> +			DRA7XX_CORE_IOPAD(0x3754, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_clk.clk */
>> +			DRA7XX_CORE_IOPAD(0x3758, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_cmd.cmd */
>> +			DRA7XX_CORE_IOPAD(0x375c, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_dat0.dat0 */
>> +			DRA7XX_CORE_IOPAD(0x3760, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_dat1.dat1 */
>> +			DRA7XX_CORE_IOPAD(0x3764, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_dat2.dat2 */
>> +			DRA7XX_CORE_IOPAD(0x3768, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_dat3.dat3 */
>> +		>;
>> +	};
> 
> Can't you just do:
> 
> pinctrl-0 = <&mmc1_pins_default>;
> pinctrl-1 = <&mmc1_pins_default>;
> pinctrl-2 = <&mmc1_pins_hs>;
> pinctrl-names = "default", "sdr12", "sdr25";

just wanted to make sure every mode has it's own pinctrl group so that it's
easy to review. Initially we were thinking something like
mmc1_pins_default_sdr12_sdr25.

But if you'd prefer we just use mmc1_pins_default for all modes that uses
default pinmux configuration, I can change it that way too.

Thanks
Kishon



More information about the linux-arm-kernel mailing list