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[90.63.244.31]) by smtp.googlemail.com with ESMTPSA id t13sm16400701wra.81.2019.05.13.06.26.39 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 13 May 2019 06:26:39 -0700 (PDT) From: Jerome Brunet To: Kevin Hilman Cc: Jerome Brunet , devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH/RFT] arm64: dts: meson: odroid-c2: add missing mmc modes Date: Mon, 13 May 2019 15:26:27 +0200 Message-Id: <20190513132627.25149-1-jbrunet@baylibre.com> X-Mailer: git-send-email 2.20.1 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 Add sdcard uhs modes up to DDR50 and push eMMC up to 200Mhz With the new tuning method, these modes appear to be stable Signed-off-by: Jerome Brunet --- This particular board has always been painful when it comes to its eMMC modules. While testing the new tuning method introduced in the last cycle, I have not seen any issue with HS200@200Mhz. That being said, I only have the 16GB module. In the past, problems have been reported with other modules while it was fine on the one I have. Clearly, I don't have the full picture. Kevin, I don't know how you prefer to proceed. I am personally in no rush to see this applied. I'm sending this mainly to make sure it is shared and give people a chance to report issues. arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts index 1cc9dc68ef00..5a139e7b1c60 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts @@ -255,6 +255,10 @@ bus-width = <4>; cap-sd-highspeed; + sd-uhs-sdr12; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-ddr50; max-frequency = <100000000>; disable-wp; @@ -272,7 +276,7 @@ pinctrl-names = "default", "clk-gate"; bus-width = <8>; - max-frequency = <100000000>; + max-frequency = <200000000>; non-removable; disable-wp; cap-mmc-highspeed; -- 2.20.1