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[2003:f1:371d:f700:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id o90sm7839442edb.60.2020.06.20.09.37.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Jun 2020 09:37:03 -0700 (PDT) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, khilman@baylibre.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Martin Blumenstingl Subject: [PATCH 2/3] ARM: dts: meson8b: ec100: enable the SDHC controller Date: Sat, 20 Jun 2020 18:36:53 +0200 Message-Id: <20200620163654.37207-3-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200620163654.37207-1-martin.blumenstingl@googlemail.com> References: <20200620163654.37207-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org EC-100 has built-in eMMC flash which is hard-wired to 3.3V VCC (which means it's limited to high-speed MMC modes). Enable the SDHC controller to access the contents of the eMMC flash. Signed-off-by: Martin Blumenstingl --- arch/arm/boot/dts/meson8b-ec100.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/meson8b-ec100.dts b/arch/arm/boot/dts/meson8b-ec100.dts index 163a200d5a7b..ed06102a4014 100644 --- a/arch/arm/boot/dts/meson8b-ec100.dts +++ b/arch/arm/boot/dts/meson8b-ec100.dts @@ -27,6 +27,11 @@ memory { reg = <0x40000000 0x40000000>; }; + emmc_pwrseq: emmc-pwrseq { + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; + }; + gpio-keys { compatible = "gpio-keys-polled"; #address-cells = <1>; @@ -299,6 +304,26 @@ &saradc { vref-supply = <&vcc_1v8>; }; +&sdhc { + status = "okay"; + + pinctrl-0 = <&sdxc_c_pins>; + pinctrl-names = "default"; + + bus-width = <8>; + max-frequency = <50000000>; + + cap-mmc-highspeed; + disable-wp; + non-removable; + no-sdio; + + mmc-pwrseq = <&emmc_pwrseq>; + + vmmc-supply = <&vcc_3v3>; + vqmmc-supply = <&vcc_3v3>; +}; + &sdio { status = "okay"; -- 2.27.0