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From: Anand Moon <linux.amoon@gmail.com>
To: Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Kukjin Kim <kgene@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Jaehoon Chung <jh80.chung@samsung.com>,
	Ulf Hansson <ulf.hansson@linaro.org>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mmc@vger.kernel.org
Subject: [PATCHv3 3/7] ARM: dts: exynos5422: update maximum frequency for sdcard to 200MHz
Date: Thu, 20 Sep 2018 17:58:22 +0000	[thread overview]
Message-ID: <20180920175826.1284-4-linux.amoon@gmail.com> (raw)
In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com>

set the max-frequency to 200MHz for optimal performace.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
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;
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: linux.amoon@gmail.com (Anand Moon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv3 3/7] ARM: dts: exynos5422: update maximum frequency for sdcard to 200MHz
Date: Thu, 20 Sep 2018 17:58:22 +0000	[thread overview]
Message-ID: <20180920175826.1284-4-linux.amoon@gmail.com> (raw)
In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com>

set the max-frequency to 200MHz for optimal performace.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
This patch is new to this series.

microSD card.
root at 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;
-- 
2.17.1

  parent reply	other threads:[~2018-09-20 17:58 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-20 17:58 [PATCHv3 0/7] Add support for UHS-I on Exynos5422 odroid boards Anand Moon
2018-09-20 17:58 ` Anand Moon
2018-09-20 17:58 ` [PATCHv3 1/7] ARM: dts: exynos5422: Added UHS-I bus speed support Anand Moon
2018-09-20 17:58   ` Anand Moon
2018-09-20 17:58 ` [PATCHv3 2/7] ARM: dts: exynos5422: fix regulator min values of LDO13 for Odroid XU3/XU4 Anand Moon
2018-09-20 17:58   ` Anand Moon
2018-09-20 17:58 ` Anand Moon [this message]
2018-09-20 17:58   ` [PATCHv3 3/7] ARM: dts: exynos5422: update maximum frequency for sdcard to 200MHz Anand Moon
2018-09-20 17:58 ` [PATCHv3 4/7] ARM: dts: exynos5422: use cd-gpio method to detect sd-card Anand Moon
2018-09-20 17:58   ` Anand Moon
2018-09-20 17:58 ` [PATCHv3 5/7] ARM: dts: exynos5422: use wp-gpio " Anand Moon
2018-09-20 17:58   ` Anand Moon
2018-09-21 11:12   ` Krzysztof Kozlowski
2018-09-21 11:12     ` Krzysztof Kozlowski
2018-09-21 11:12     ` Krzysztof Kozlowski
2018-09-21 12:31     ` Anand Moon
2018-09-21 12:31       ` Anand Moon
2018-09-21 12:31       ` Anand Moon
2018-09-21 21:09       ` Krzysztof Kozlowski
2018-09-21 21:09         ` Krzysztof Kozlowski
2018-09-22  7:55         ` Anand Moon
2018-09-22  7:55           ` Anand Moon
2018-09-20 17:58 ` [PATCHv3 6/7] ARM: dts: exynos5422: update maximum frequency for emmc to 200MHz Anand Moon
2018-09-20 17:58   ` Anand Moon
2018-09-20 17:58 ` [PATCHv3 7/7] mmc: dw_mmc-exynos: Add tuning for sdr and ddr timing for USH-I mode Anand Moon
2018-09-20 17:58   ` Anand Moon
2018-09-21 10:55 ` [PATCHv3 0/7] Add support for UHS-I on Exynos5422 odroid boards Krzysztof Kozlowski
2018-09-21 10:55   ` Krzysztof Kozlowski
2018-09-21 10:55   ` Krzysztof Kozlowski
2018-09-21 12:30   ` Anand Moon
2018-09-21 12:30     ` Anand Moon

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