On Thu, Nov 03, 2016 at 09:07:51PM +0300, Vladimir Barinov wrote: > This supports SDHI0 on M3ULCB board SD card slot
Is SDHI3 also exposed on the M3ULCB? If so could you consider sending patches to enable it? > Signed-off-by: Vladimir Barinov <[email protected]> > --- > arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts | 48 > ++++++++++++++++++++++++++ > 1 file changed, 48 insertions(+) > > diff --git a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts > b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts > index 3329f78..5be0cf6 100644 > --- a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts > +++ b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts > @@ -44,6 +44,30 @@ > gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; > }; > }; > + > + vcc_sdhi0: regulator-vcc-sdhi0 { > + compatible = "regulator-fixed"; > + > + regulator-name = "SDHI0 Vcc"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + > + gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + }; > + > + vccq_sdhi0: regulator-vccq-sdhi0 { > + compatible = "regulator-gpio"; > + > + regulator-name = "SDHI0 VccQ"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + > + gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>; > + gpios-states = <1>; > + states = <3300000 1 > + 1800000 0>; > + }; > }; > > &extal_clk { > @@ -68,8 +92,33 @@ > groups = "scif_clk_a"; > function = "scif_clk"; > }; > + > + sdhi0_pins_3v3: sd0_3v3 { > + groups = "sdhi0_data4", "sdhi0_ctrl"; > + function = "sdhi0"; > + power-source = <3300>; > + }; > + > + sdhi0_pins_1v8: sd0_1v8 { > + groups = "sdhi0_data4", "sdhi0_ctrl"; > + function = "sdhi0"; > + power-source = <1800>; > + }; I would prefer the pin nodes to be named as follows: sdhi0_pins_3v3 -> sdhi0_pins_3v3 sdhi0_pins_1v8 -> sdhi0_pins_uhs Likewise for SDHI2. > }; > > +&sdhi0 { > + pinctrl-0 = <&sdhi0_pins_3v3>; > + pinctrl-1 = <&sdhi0_pins_1v8>; > + pinctrl-names = "default", "state_uhs"; > + > + vmmc-supply = <&vcc_sdhi0>; > + vqmmc-supply = <&vccq_sdhi0>; > + cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>; > + bus-width = <4>; > + sd-uhs-sdr50; > + status = "okay"; > +}; > + > &scif2 { > pinctrl-0 = <&scif2_pins>; > pinctrl-names = "default"; > -- > 1.9.1 >
