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[81.204.249.205]) by smtp.gmail.com with ESMTPSA id f187sm25107141wme.9.2020.04.06.02.57.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Apr 2020 02:57:04 -0700 (PDT) To: justin.swartz@risingedge.co.za References: <20200405110022.3849-1-justin.swartz@risingedge.co.za> Subject: Re: [PATCH] ARM: dts: enable WLAN for Mecer Xtreme Mini S6 From: Johan Jonker Message-ID: Date: Mon, 6 Apr 2020 11:57:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200405110022.3849-1-justin.swartz@risingedge.co.za> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200406_025706_881481_ADA2BCA8 X-CRM114-Status: GOOD ( 18.15 ) 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: mark.rutland@arm.com, devicetree@vger.kernel.org, heiko@sntech.de, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, 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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Justin, Have a look at the documents: Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.yaml Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml Documentation/devicetree/bindings/mmc/mmc-controller.yaml Fix &emmc as well. > From: Justin Swartz > To: Heiko Stuebner , > Rob Herring , > Mark Rutland > Cc: Justin Swartz , > linux-arm-kernel@lists.infradead.org, > linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, > linux-kernel@vger.kernel.org > Subject: [PATCH] ARM: dts: enable WLAN for Mecer Xtreme Mini S6 > Date: Sun, 5 Apr 2020 11:00:21 +0000 > Message-ID: <20200405110022.3849-1-justin.swartz@risingedge.co.za> (raw) > > The Mecer Xtreme Mini S6 features a wireless module, based on a > Realtek 8723BS, which provides WLAN and Bluetooth connectivity via > SDIO and UART interfaces respectively. > > Define a simple MMC power sequence that declares the GPIO pins > connected to the module's WLAN Disable and Bluetooth Disable pins > as active low reset signals, because both signals must be deasserted > for WLAN radio operation. > > Configure the host's SDIO interface for High Speed mode with 1.8v > I/O signalling and IRQ detection over a 4-bit wide bus. > > Signed-off-by: Justin Swartz > --- > arch/arm/boot/dts/rk3229-xms6.dts | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/arch/arm/boot/dts/rk3229-xms6.dts b/arch/arm/boot/dts/rk3229-xms6.dts > index 679fc2b00..cdfcef41b 100644 > --- a/arch/arm/boot/dts/rk3229-xms6.dts > +++ b/arch/arm/boot/dts/rk3229-xms6.dts > @@ -39,6 +39,12 @@ > }; > }; > > + sdio_pwrseq: sdio-pwrseq { > + compatible = "mmc-pwrseq-simple"; > + reset-gpios = <&gpio2 26 GPIO_ACTIVE_LOW>, > + <&gpio2 29 GPIO_ACTIVE_LOW>; > + }; > + > vcc_host: vcc-host-regulator { > compatible = "regulator-fixed"; > enable-active-high; > @@ -202,6 +208,18 @@ > status = "okay"; > }; > > +&sdio { > + bus-width = <4>; > + cap-sd-highspeed; > + cap-sdio-irq; > + disable-wp; Not used in combination with sdio and emmc. > + mmc-pwrseq = <&sdio_pwrseq>; > + non-removable; > + num-slots = <1>; Deprecated. > + vqmmc-supply = <&vccio_1v8>; > + status = "okay"; > +}; > + > &sdmmc { > cap-mmc-highspeed; > disable-wp; > -- > 2.11.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel