From: Stefan Wahren <stefan.wahren@i2se.com>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
adrian.hunter@intel.com, linux-kernel@vger.kernel.org,
Rob Herring <robh+dt@kernel.org>
Cc: phil@raspberrypi.com, linux-mmc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, f.fainelli@gmail.com,
bcm-kernel-feedback-list@broadcom.com,
linux-rpi-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v2 11/11] ARM: dts: bcm2711: Add vmmc regulator in emmc2
Date: Mon, 9 Mar 2020 21:00:00 +0100 [thread overview]
Message-ID: <3bd022a6-922f-c20a-8d07-383817549960@i2se.com> (raw)
In-Reply-To: <20200306174413.20634-12-nsaenzjulienne@suse.de>
Hi Nicolas,
Am 06.03.20 um 18:44 schrieb Nicolas Saenz Julienne:
> 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 <nsaenzjulienne@suse.de>
> ---
> 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 b0ea8233b636..a2da058396fe 100644
> --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> @@ -55,6 +55,16 @@ sd_io_1v8_reg: sd_io_1v8_reg {
> 3300000 0x0>;
> status = "okay";
> };
> +
> + sd_vcc_reg: sd_vcc_reg {
> + compatible = "regulator-fixed";
i think we need to enable CONFIG_REGULATOR_FIXED_VOLTAGE in
bcm2835_defconfig
Best regards
Stefan
> + regulator-name = "vcc-sd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + enable-active-high;
> + gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
> + };
> };
>
> &firmware {
> @@ -173,6 +183,7 @@ 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";
> };
next prev parent reply other threads:[~2020-03-09 20:00 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-06 17:44 [PATCH v2 00/11] Raspbery Pi 4 vmmc regulator support Nicolas Saenz Julienne
2020-03-06 17:44 ` [PATCH v2 01/11] mmc: sdhci: Introduce sdhci_set_power_and_bus_voltage() Nicolas Saenz Julienne
2020-03-09 7:21 ` Adrian Hunter
2020-03-06 17:44 ` [PATCH v2 02/11] mmc: sdhci: arasan: Use sdhci_set_power_and_voltage() Nicolas Saenz Julienne
2020-03-09 7:22 ` Adrian Hunter
2020-03-06 17:44 ` [PATCH v2 03/11] mmc: sdhci: milbeaut: " Nicolas Saenz Julienne
2020-03-09 7:25 ` Adrian Hunter
2020-03-06 17:44 ` [PATCH v2 04/11] mmc: sdhci: at91: " Nicolas Saenz Julienne
2020-03-09 7:25 ` Adrian Hunter
2020-03-06 17:44 ` [PATCH v2 05/11] mmc: sdhci: pxav3: " Nicolas Saenz Julienne
2020-03-09 7:20 ` Adrian Hunter
2020-03-06 17:44 ` [PATCH v2 06/11] mmc: sdhci: xenon: " Nicolas Saenz Julienne
2020-03-09 7:20 ` Adrian Hunter
2020-03-09 10:53 ` Nicolas Saenz Julienne
2020-03-09 11:55 ` Adrian Hunter
2020-03-09 11:56 ` Adrian Hunter
2020-03-06 17:44 ` [PATCH v2 07/11] mmc: sdhci: am654: " Nicolas Saenz Julienne
2020-03-09 7:27 ` Adrian Hunter
2020-03-06 17:44 ` [PATCH v2 08/11] mmc: sdhci: Unexport sdhci_set_power_noreg() Nicolas Saenz Julienne
2020-03-06 17:44 ` [PATCH v2 09/11] mmc: sdhci: iproc: Add custom set_power() callback for bcm2711 Nicolas Saenz Julienne
2020-03-09 7:29 ` Adrian Hunter
2020-03-06 17:44 ` [PATCH v2 10/11] ARM: dts: bcm2711: Update expgpio's GPIO labels Nicolas Saenz Julienne
2020-03-27 11:21 ` Nicolas Saenz Julienne
2020-03-06 17:44 ` [PATCH v2 11/11] ARM: dts: bcm2711: Add vmmc regulator in emmc2 Nicolas Saenz Julienne
2020-03-09 20:00 ` Stefan Wahren [this message]
2020-03-09 20:01 ` Nicolas Saenz Julienne
2020-03-27 11:22 ` Nicolas Saenz Julienne
2020-03-12 13:08 ` [PATCH v2 00/11] Raspbery Pi 4 vmmc regulator support Ulf Hansson
2020-03-12 13:13 ` Nicolas Saenz Julienne
2020-03-12 14:06 ` Ulf Hansson
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