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Sun, 12 Jul 2020 10:30:50 -0700 (PDT) Date: Sun, 12 Jul 2020 23:00:44 +0530 From: Manivannan Sadhasivam To: Amit Singh Tomar Subject: Re: [PATCH v5 10/10] arm64: dts: actions: Add uSD support for Cubieboard7 Message-ID: <20200712173044.GL6110@Mani-XPS-13-9360> References: <1593701576-28580-1-git-send-email-amittomer25@gmail.com> <1593701576-28580-11-git-send-email-amittomer25@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1593701576-28580-11-git-send-email-amittomer25@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200712_133054_438430_3298F7E3 X-CRM114-Status: GOOD ( 19.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, andre.przywara@arm.com, linux-actions@lists.infradead.org, linux-kernel@vger.kernel.org, cristian.ciocaltea@gmail.com, robh+dt@kernel.org, afaerber@suse.de, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Jul 02, 2020 at 08:22:56PM +0530, Amit Singh Tomar wrote: > This commit adds uSD support for Cubieboard7 board based on Actions Semi > S700 SoC. SD0 is connected to uSD slot. Since there is no PMIC support > added yet, fixed regulator has been used as a regulator node. > > Signed-off-by: Amit Singh Tomar > --- > Changes since v4: > * No change. > Changes since v3: > * No change. > Changes since v2: > * No change. > Changes since v1: > * No change. > Changes since RFC: > * No change. > --- > arch/arm64/boot/dts/actions/s700-cubieboard7.dts | 41 ++++++++++++++++++++++++ > arch/arm64/boot/dts/actions/s700.dtsi | 1 + > 2 files changed, 42 insertions(+) > > diff --git a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts > index 63e375cd9eb4..ec117eb12f3a 100644 > --- a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts > +++ b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts > @@ -13,6 +13,7 @@ > > aliases { > serial3 = &uart3; > + mmc0 = &mmc0; > }; > > chosen { > @@ -28,6 +29,23 @@ > device_type = "memory"; > reg = <0x1 0xe0000000 0x0 0x0>; > }; > + > + /* Fixed regulator used in the absence of PMIC */ > + vcc_3v1: vcc-3v1 { > + compatible = "regulator-fixed"; > + regulator-name = "fixed-3.1V"; > + regulator-min-microvolt = <3100000>; > + regulator-max-microvolt = <3100000>; > + }; Is this regulator used somewhere? Thanks, Mani > + > + /* Fixed regulator used in the absence of PMIC */ > + sd_vcc: sd-vcc { > + compatible = "regulator-fixed"; > + regulator-name = "fixed-3.1V"; > + regulator-min-microvolt = <3100000>; > + regulator-max-microvolt = <3100000>; > + regulator-always-on; > + }; > }; > > &i2c0 { > @@ -81,6 +99,14 @@ > bias-pull-up; > }; > }; > + > + mmc0_default: mmc0_default { > + pinmux { > + groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp", > + "sd0_cmd_mfp", "sd0_clk_mfp"; > + function = "sd0"; > + }; > + }; > }; > > &timer { > @@ -90,3 +116,18 @@ > &uart3 { > status = "okay"; > }; > + > +/* uSD */ > +&mmc0 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc0_default>; > + cd-gpios = <&pinctrl 120 GPIO_ACTIVE_LOW>; > + no-sdio; > + no-mmc; > + no-1-8-v; > + bus-width = <4>; > + vmmc-supply = <&sd_vcc>; > + vqmmc-supply = <&sd_vcc>; > +}; > + > diff --git a/arch/arm64/boot/dts/actions/s700.dtsi b/arch/arm64/boot/dts/actions/s700.dtsi > index 9ed88aafc2da..ba498cf9217d 100644 > --- a/arch/arm64/boot/dts/actions/s700.dtsi > +++ b/arch/arm64/boot/dts/actions/s700.dtsi > @@ -4,6 +4,7 @@ > */ > > #include > +#include > #include > #include > #include > -- > 2.7.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel