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([2a00:1098:3142:14:3ca7:8f7d:279:5ab9]) by smtp.gmail.com with ESMTPSA id u11sm600875wrb.10.2020.03.06.03.35.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Mar 2020 03:35:44 -0800 (PST) Subject: Re: [PATCH 10/10] ARM: dts: bcm2711: Add vmmc regulator in emmc2 To: Stefan Wahren , Nicolas Saenz Julienne , devicetree@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, Rob Herring Cc: ulf.hansson@linaro.org, f.fainelli@gmail.com, phil@raspberrypi.org, adrian.hunter@intel.com, linux-kernel@vger.kernel.org References: <20200306103857.23962-1-nsaenzjulienne@suse.de> <20200306103857.23962-11-nsaenzjulienne@suse.de> <408aa93f-b5c8-c4b3-384b-c8d018a8d549@i2se.com> From: Phil Elwell Message-ID: <714c41ef-85ea-da2b-1701-9132703a832c@raspberrypi.com> Date: Fri, 6 Mar 2020 11:35:43 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <408aa93f-b5c8-c4b3-384b-c8d018a8d549@i2se.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Nicolas, Stefan, On 06/03/2020 11:07, Stefan Wahren wrote: > Hi Nicolas, > > On 06.03.20 11:38, Nicolas Saenz Julienne wrote: >> The SD card power can be controlled trough a pin routed into the board's >> external GPIO expander. Turn that into a regulator and provide it to >> emmc2. >> >> Signed-off-by: Nicolas Saenz Julienne >> --- >> arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 11 +++++++++++ >> 1 file changed, 11 insertions(+) >> >> diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts >> index e26ea9006378..8e98e917f9f4 100644 >> --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts >> +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts >> @@ -56,6 +56,16 @@ sd_io_1v8_reg: sd_io_1v8_reg { >> 3300000 0x0>; >> status = "okay"; >> }; >> + >> + sd_vcc_reg: sd_vcc_reg { >> + compatible = "regulator-fixed"; >> + regulator-name = "vcc-sd"; >> + regulator-min-microvolt = <3300000>; >> + regulator-max-microvolt = <3300000>; >> + regulator-boot-on; >> + enable-active-high; >> + gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>; > this new GPIO has an empty GPIO label, please add it. The correct name would be "SD_PWR_ON". >> + }; >> }; >> >> &firmware { >> @@ -174,6 +184,7 @@ brcmf: wifi@1 { >> /* EMMC2 is used to drive the SD card */ >> &emmc2 { >> vqmmc-supply = <&sd_io_1v8_reg>; >> + vmmc-supply = <&sd_vcc_reg>; >> broken-cd; >> status = "okay"; >> };