From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux.amoon@gmail.com (Anand Moon) Date: Wed, 2 May 2018 00:29:02 +0530 Subject: [PATCH 2/2] ARM64: dts: meson: update maximum frequency for sdcard to 200MHz In-Reply-To: <20180501185902.3556-1-linux.amoon@gmail.com> References: <20180501185902.3556-1-linux.amoon@gmail.com> Message-ID: <20180501185902.3556-2-linux.amoon@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org update the maximum frequency of the sdcard to 200Mhz to support high speed read/write with uhs mode. Signed-off-by: Anand Moon --- odroid at odroid64:~$ sudo cat /sys/kernel/debug/mmc1/ios [sudo] password for odroid: clock: 200000000 Hz actual clock: 200000000 Hz vdd: 21 (3.3 ~ 3.4 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/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 2 +- 1 file changed, 1 insertion(+), 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 c90f8b46c60c..ab868eaddb46 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts @@ -256,7 +256,7 @@ bus-width = <4>; cap-sd-highspeed; - max-frequency = <100000000>; + max-frequency = <200000000>; disable-wp; sd-uhs-sdr12; sd-uhs-sdr25; -- 2.17.0