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Thu, 20 Sep 2018 10:58:55 -0700 (PDT) From: Anand Moon To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , Marek Szyprowski , Jaehoon Chung , Ulf Hansson Subject: [PATCHv3 3/7] ARM: dts: exynos5422: update maximum frequency for sdcard to 200MHz Date: Thu, 20 Sep 2018 17:58:22 +0000 Message-Id: <20180920175826.1284-4-linux.amoon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com> References: <20180920175826.1284-1-linux.amoon@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180920_105906_329762_81E577C1 X-CRM114-Status: GOOD ( 14.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP set the max-frequency to 200MHz for optimal performace. Signed-off-by: Anand Moon --- This patch is new to this series. microSD card. root@odroid:~# sudo cat /sys/kernel/debug/mmc1/ios clock: 200000000 Hz actual clock: 200000000 Hz vdd: 16 (2.8 ~ 2.9 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 2 (4 bits) timing spec: 6 (sd uhs SDR104) signal voltage: 1 (1.80 V) driver type: 0 (driver type B) --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 01593f4537ae..914ee08c7eb2 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -368,6 +368,7 @@ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>; bus-width = <4>; cap-sd-highspeed; + max-frequency = <200000000>; vmmc-supply = <&ldo19_reg>; vqmmc-supply = <&ldo13_reg>; sd-uhs-sdr50;