| Message ID | 20210124170258.32862-4-marex@denx.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [V2,1/4] mmc: mmci: Add bindings to operate CMD, CK, CKIN pins as GPIO | expand |
Hi Marek On 1/24/21 6:02 PM, Marek Vasut wrote: > The DHCOM SoM uSD slot has an optional voltage level translator, add > DT bindings which permit the MMCI driver to detect the translator > automatically. > > Signed-off-by: Marek Vasut <marex@denx.de> > Cc: Alexandre Torgue <alexandre.torgue@st.com> > Cc: Linus Walleij <linus.walleij@linaro.org> > Cc: Ludovic Barre <ludovic.barre@st.com> > Cc: Ulf Hansson <ulf.hansson@linaro.org> > Cc: linux-stm32@st-md-mailman.stormreply.com > --- > V2: Rebase on next-20210122 > --- > arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi > index ff70bd03a017..661d8d071296 100644 > --- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi > +++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi > @@ -408,14 +408,19 @@ &rtc { > }; > > &sdmmc1 { > - pinctrl-names = "default", "opendrain", "sleep"; > + pinctrl-names = "default", "opendrain", "sleep", "init"; > pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>; > pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>; > pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>; > + pinctrl-3 = <&sdmmc1_b4_init_pins_a &sdmmc1_dir_init_pins_a>; > cd-gpios = <&gpiog 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; > disable-wp; > st,sig-dir; > st,neg-edge; > + st,use-ckin; > + st,cmd-gpios = <&gpiod 2 0>; > + st,ck-gpios = <&gpioc 12 0>; > + st,ckin-gpios = <&gpioe 4 0>; > bus-width = <4>; > vmmc-supply = <&vdd_sd>; > status = "okay"; > DT patches applied on stm32-next. Thanks Alex
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi index ff70bd03a017..661d8d071296 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi @@ -408,14 +408,19 @@ &rtc { }; &sdmmc1 { - pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-names = "default", "opendrain", "sleep", "init"; pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>; pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>; pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>; + pinctrl-3 = <&sdmmc1_b4_init_pins_a &sdmmc1_dir_init_pins_a>; cd-gpios = <&gpiog 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; disable-wp; st,sig-dir; st,neg-edge; + st,use-ckin; + st,cmd-gpios = <&gpiod 2 0>; + st,ck-gpios = <&gpioc 12 0>; + st,ckin-gpios = <&gpioe 4 0>; bus-width = <4>; vmmc-supply = <&vdd_sd>; status = "okay";
The DHCOM SoM uSD slot has an optional voltage level translator, add DT bindings which permit the MMCI driver to detect the translator automatically. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Ludovic Barre <ludovic.barre@st.com> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: linux-stm32@st-md-mailman.stormreply.com --- V2: Rebase on next-20210122 --- arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)