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[v2] ARM: shmobile: r8a7790: fix max-frequency for SDHI

Message ID 1460972490-3033-1-git-send-email-wsa@the-dreams.de (mailing list archive)
State Accepted
Commit 2d19d108015bd9ceb00ee4e3ea3c755b57bb786a
Delegated to: Simon Horman
Headers show

Commit Message

Wolfram Sang April 18, 2016, 9:41 a.m. UTC
From: Wolfram Sang <wsa+renesas@sang-engineering.com>

The wrong values come from an old datasheet (H2 v0.6). Anything later
has the fixed value of 195MHz (H2 v0.7 up to Gen2-common V2.0).

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

V2: * better commit message mentioning document versions
    * added geerts tag

 arch/arm/boot/dts/r8a7790.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Simon Horman April 19, 2016, 11:08 p.m. UTC | #1
On Mon, Apr 18, 2016 at 11:41:30AM +0200, Wolfram Sang wrote:
> From: Wolfram Sang <wsa+renesas@sang-engineering.com>
> 
> The wrong values come from an old datasheet (H2 v0.6). Anything later
> has the fixed value of 195MHz (H2 v0.7 up to Gen2-common V2.0).
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> 
> V2: * better commit message mentioning document versions
>     * added geerts tag

Thanks, I have queued this up (not v1 as I might have implied in other
emails).

>  arch/arm/boot/dts/r8a7790.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
> index 1a3b6b08f1f3c9..e75baf369ccfb4 100644
> --- a/arch/arm/boot/dts/r8a7790.dtsi
> +++ b/arch/arm/boot/dts/r8a7790.dtsi
> @@ -607,7 +607,7 @@
>  		dmas = <&dmac1 0xcd>, <&dmac1 0xce>,
>  		       <&dmac0 0xcd>, <&dmac0 0xce>;
>  		dma-names = "tx", "rx", "tx", "rx";
> -		max-frequency = <156000000>;
> +		max-frequency = <195000000>;
>  		power-domains = <&cpg_clocks>;
>  		status = "disabled";
>  	};
> @@ -620,7 +620,7 @@
>  		dmas = <&dmac1 0xc9>, <&dmac1 0xca>,
>  		       <&dmac0 0xc9>, <&dmac0 0xca>;
>  		dma-names = "tx", "rx", "tx", "rx";
> -		max-frequency = <156000000>;
> +		max-frequency = <195000000>;
>  		power-domains = <&cpg_clocks>;
>  		status = "disabled";
>  	};
> -- 
> 2.7.0
diff mbox

Patch

diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index 1a3b6b08f1f3c9..e75baf369ccfb4 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -607,7 +607,7 @@ 
 		dmas = <&dmac1 0xcd>, <&dmac1 0xce>,
 		       <&dmac0 0xcd>, <&dmac0 0xce>;
 		dma-names = "tx", "rx", "tx", "rx";
-		max-frequency = <156000000>;
+		max-frequency = <195000000>;
 		power-domains = <&cpg_clocks>;
 		status = "disabled";
 	};
@@ -620,7 +620,7 @@ 
 		dmas = <&dmac1 0xc9>, <&dmac1 0xca>,
 		       <&dmac0 0xc9>, <&dmac0 0xca>;
 		dma-names = "tx", "rx", "tx", "rx";
-		max-frequency = <156000000>;
+		max-frequency = <195000000>;
 		power-domains = <&cpg_clocks>;
 		status = "disabled";
 	};