From: Anand Moon <linux.amoon@gmail.com>
To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH] ARM: dts: exynos: Add pin configuration for read strobe for Odroid XU3/XU4 eMMC
Date: Fri, 22 Feb 2019 10:19:48 +0000 [thread overview]
Message-ID: <20190222101948.848-1-linux.amoon@gmail.com> (raw)
Add Read Strobe RDQS pin configuration for eMMC to support higher data rate read/write.
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
arch/arm/boot/dts/exynos5420-pinctrl.dtsi | 6 ++++++
arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
index b82af7c89654..4fb3865e082a 100644
--- a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
@@ -206,6 +206,12 @@
samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
};
+ sd0_rdqs: sd0-rdqs {
+ samsung,pins = "gpc0-7";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
sd1_clk: sd1-clk {
samsung,pins = "gpc1-0";
samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
index b299e541cac0..d41397748ed2 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
@@ -411,7 +411,7 @@
samsung,dw-mshc-hs400-timing = <0 2>;
samsung,read-strobe-delay = <90>;
pinctrl-names = "default";
- pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_cd &sd0_rclk>;
+ pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_rdqs &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_cd &sd0_rclk>;
bus-width = <8>;
cap-mmc-highspeed;
mmc-hs200-1_8v;
--
2.20.1
next reply other threads:[~2019-02-22 10:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190222102034epcas3p373245ed6e3e83e297bcaff48aec37992@epcas3p3.samsung.com>
2019-02-22 10:19 ` Anand Moon [this message]
2019-02-22 10:29 ` [PATCH] ARM: dts: exynos: Add pin configuration for read strobe for Odroid XU3/XU4 eMMC Marek Szyprowski
2019-02-22 10:33 ` Anand Moon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190222101948.848-1-linux.amoon@gmail.com \
--to=linux.amoon@gmail.com \
--cc=devicetree@vger.kernel.org \
--cc=krzk@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=robh+dt@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox