diff mbox

arm64: dts: uniphier: add cdns,phy-dll-delay-sdclk(-hsmmc) for eMMC

Message ID 1491271477-19806-1-git-send-email-yamada.masahiro@socionext.com
State Accepted
Commit e345eded5bda437417507f3591d53c39c326b90a
Headers show

Commit Message

Masahiro Yamada April 4, 2017, 2:04 a.m. UTC
Adjust the PHY parameters for more stable access to the eMMC device.
Set the SDCLK output delay value to 21 (including HS200/400 modes).

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

---

 arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi | 2 ++
 arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 2 ++
 2 files changed, 4 insertions(+)

-- 
2.7.4

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Comments

Masahiro Yamada May 13, 2017, 4:16 p.m. UTC | #1
2017-04-04 11:04 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
> Adjust the PHY parameters for more stable access to the eMMC device.

> Set the SDCLK output delay value to 21 (including HS200/400 modes).

>

> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

> ---

>

>  arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi | 2 ++

>  arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 2 ++

>  2 files changed, 4 insertions(+)

>

> diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi

> index 42f1803..25a525c 100644

> --- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi

> +++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi

> @@ -313,6 +313,8 @@

>                         cdns,phy-input-delay-legacy = <4>;

>                         cdns,phy-input-delay-mmc-highspeed = <2>;

>                         cdns,phy-input-delay-mmc-ddr = <3>;

> +                       cdns,phy-dll-delay-sdclk = <21>;

> +                       cdns,phy-dll-delay-sdclk-hsmmc = <21>;

>                 };

>

>                 usb0: usb@5a800100 {

> diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi

> index e4499ff..c85e6e2 100644

> --- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi

> +++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi

> @@ -387,6 +387,8 @@

>                         cdns,phy-input-delay-legacy = <4>;

>                         cdns,phy-input-delay-mmc-highspeed = <2>;

>                         cdns,phy-input-delay-mmc-ddr = <3>;

> +                       cdns,phy-dll-delay-sdclk = <21>;

> +                       cdns,phy-dll-delay-sdclk-hsmmc = <21>;

>                 };

>

>                 soc-glue@5f800000 {



Applied to linux-uniphier.



-- 
Best Regards
Masahiro Yamada
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diff mbox

Patch

diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
index 42f1803..25a525c 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
@@ -313,6 +313,8 @@ 
 			cdns,phy-input-delay-legacy = <4>;
 			cdns,phy-input-delay-mmc-highspeed = <2>;
 			cdns,phy-input-delay-mmc-ddr = <3>;
+			cdns,phy-dll-delay-sdclk = <21>;
+			cdns,phy-dll-delay-sdclk-hsmmc = <21>;
 		};
 
 		usb0: usb@5a800100 {
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
index e4499ff..c85e6e2 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
@@ -387,6 +387,8 @@ 
 			cdns,phy-input-delay-legacy = <4>;
 			cdns,phy-input-delay-mmc-highspeed = <2>;
 			cdns,phy-input-delay-mmc-ddr = <3>;
+			cdns,phy-dll-delay-sdclk = <21>;
+			cdns,phy-dll-delay-sdclk-hsmmc = <21>;
 		};
 
 		soc-glue@5f800000 {