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

From: Tony Lindgren
Date: Fri Dec 15 2017 - 11:32:18 EST


* Kishon Vijay Abraham I <kishon@xxxxxx> [171215 06:12]:
> Hi Tony,
>
> On Thursday 14 December 2017 08:45 PM, Tony Lindgren wrote:
> > * Kishon Vijay Abraham I <kishon@xxxxxx> [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.

OK that naming works fine for me.

> 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.

No up to you with the naming thanks.

Regards,

Tony