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
WARNING: multiple messages have this Message-ID (diff)
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>,
linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>
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
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2019-02-22 10:19 UTC|newest]
Thread overview: 6+ 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 10:19 ` [PATCH] ARM: dts: exynos: Add pin configuration for read strobe for Odroid XU3/XU4 eMMC Anand Moon
2019-02-22 10:29 ` Marek Szyprowski
2019-02-22 10:29 ` Marek Szyprowski
2019-02-22 10:33 ` Anand Moon
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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.