From: Steven Lee <steven_lee@aspeedtech.com>
To: linux-aspeed@lists.ozlabs.org
Subject: [PATCH v2 2/3] ARM: dts: aspeed: ast2600evb: Add timing-phase property for eMMC controller
Date: Mon, 3 May 2021 18:58:19 +0800 [thread overview]
Message-ID: <20210503105819.GC12520@aspeedtech.com> (raw)
In-Reply-To: <f237a53e-ad61-469a-a19f-8a1e52c6cfba@www.fastmail.com>
The 05/03/2021 13:07, Andrew Jeffery wrote:
> Hi Steven,
>
> On Mon, 3 May 2021, at 11:13, Steven Lee wrote:
> > Set eMMC input clock phase to 3, which is more stable on AST2600 EVBs.
> >
> > Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
> > ---
> > arch/arm/boot/dts/aspeed-ast2600-evb.dts | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > index 2772796e215e..7a93317e27dc 100644
> > --- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > +++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > @@ -102,6 +102,7 @@
> >
> > &emmc_controller {
> > status = "okay";
> > + timing-phase = <0x300FF>;
>
> Please use the existing binding for phase corrections. The existing
> binding is already supported by the driver (added in v5.12).
>
Hi Andrew,
Thanks for the review.
I will add the following settings from aspeed-bmc-ibm-rainier.dts
instead of adding timing-phase in device tree.
clk-phase-mmc-hs200 = <N> <N>;
> Andrew
WARNING: multiple messages have this Message-ID (diff)
From: Steven Lee <steven_lee@aspeedtech.com>
To: Andrew Jeffery <andrew@aj.id.au>
Cc: Rob Herring <robh+dt@kernel.org>, Joel Stanley <joel@jms.id.au>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
"moderated list:ARM/ASPEED MACHINE SUPPORT"
<linux-arm-kernel@lists.infradead.org>,
"moderated list:ARM/ASPEED MACHINE SUPPORT"
<linux-aspeed@lists.ozlabs.org>,
open list <linux-kernel@vger.kernel.org>,
Hongwei Zhang <Hongweiz@ami.com>,
Ryan Chen <ryan_chen@aspeedtech.com>,
Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
Subject: Re: [PATCH v2 2/3] ARM: dts: aspeed: ast2600evb: Add timing-phase property for eMMC controller
Date: Mon, 3 May 2021 18:58:19 +0800 [thread overview]
Message-ID: <20210503105819.GC12520@aspeedtech.com> (raw)
In-Reply-To: <f237a53e-ad61-469a-a19f-8a1e52c6cfba@www.fastmail.com>
The 05/03/2021 13:07, Andrew Jeffery wrote:
> Hi Steven,
>
> On Mon, 3 May 2021, at 11:13, Steven Lee wrote:
> > Set eMMC input clock phase to 3, which is more stable on AST2600 EVBs.
> >
> > Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
> > ---
> > arch/arm/boot/dts/aspeed-ast2600-evb.dts | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > index 2772796e215e..7a93317e27dc 100644
> > --- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > +++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > @@ -102,6 +102,7 @@
> >
> > &emmc_controller {
> > status = "okay";
> > + timing-phase = <0x300FF>;
>
> Please use the existing binding for phase corrections. The existing
> binding is already supported by the driver (added in v5.12).
>
Hi Andrew,
Thanks for the review.
I will add the following settings from aspeed-bmc-ibm-rainier.dts
instead of adding timing-phase in device tree.
clk-phase-mmc-hs200 = <N> <N>;
> Andrew
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Steven Lee <steven_lee@aspeedtech.com>
To: Andrew Jeffery <andrew@aj.id.au>
Cc: Rob Herring <robh+dt@kernel.org>, Joel Stanley <joel@jms.id.au>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
"moderated list:ARM/ASPEED MACHINE SUPPORT"
<linux-arm-kernel@lists.infradead.org>,
"moderated list:ARM/ASPEED MACHINE SUPPORT"
<linux-aspeed@lists.ozlabs.org>,
open list <linux-kernel@vger.kernel.org>,
Hongwei Zhang <Hongweiz@ami.com>,
Ryan Chen <ryan_chen@aspeedtech.com>,
Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
Subject: Re: [PATCH v2 2/3] ARM: dts: aspeed: ast2600evb: Add timing-phase property for eMMC controller
Date: Mon, 3 May 2021 18:58:19 +0800 [thread overview]
Message-ID: <20210503105819.GC12520@aspeedtech.com> (raw)
In-Reply-To: <f237a53e-ad61-469a-a19f-8a1e52c6cfba@www.fastmail.com>
The 05/03/2021 13:07, Andrew Jeffery wrote:
> Hi Steven,
>
> On Mon, 3 May 2021, at 11:13, Steven Lee wrote:
> > Set eMMC input clock phase to 3, which is more stable on AST2600 EVBs.
> >
> > Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
> > ---
> > arch/arm/boot/dts/aspeed-ast2600-evb.dts | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > index 2772796e215e..7a93317e27dc 100644
> > --- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > +++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
> > @@ -102,6 +102,7 @@
> >
> > &emmc_controller {
> > status = "okay";
> > + timing-phase = <0x300FF>;
>
> Please use the existing binding for phase corrections. The existing
> binding is already supported by the driver (added in v5.12).
>
Hi Andrew,
Thanks for the review.
I will add the following settings from aspeed-bmc-ibm-rainier.dts
instead of adding timing-phase in device tree.
clk-phase-mmc-hs200 = <N> <N>;
> Andrew
next prev parent reply other threads:[~2021-05-03 10:58 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210503014336.20256-1-steven_lee@aspeedtech.com>
2021-05-03 1:43 ` [PATCH v2 1/3] dt-bindings: mmc: sdhci-of-aspeed: Add description for AST2600 EVB Steven Lee
2021-05-03 1:43 ` Steven Lee
2021-05-03 1:43 ` Steven Lee
2021-05-03 1:43 ` Steven Lee
2021-05-03 4:19 ` Andrew Jeffery
2021-05-03 4:19 ` Andrew Jeffery
2021-05-03 4:19 ` Andrew Jeffery
2021-05-03 4:19 ` Andrew Jeffery
2021-05-03 9:40 ` Steven Lee
2021-05-03 9:40 ` Steven Lee
2021-05-03 9:40 ` Steven Lee
2021-05-03 9:40 ` Steven Lee
2021-05-03 10:32 ` Andrew Jeffery
2021-05-03 10:32 ` Andrew Jeffery
2021-05-03 10:32 ` Andrew Jeffery
2021-05-03 10:32 ` Andrew Jeffery
2021-05-03 11:08 ` Steven Lee
2021-05-03 11:08 ` Steven Lee
2021-05-03 11:08 ` Steven Lee
2021-05-03 11:08 ` Steven Lee
2021-05-03 15:20 ` Rob Herring
2021-05-03 15:20 ` Rob Herring
2021-05-03 15:20 ` Rob Herring
2021-05-03 15:20 ` Rob Herring
2021-05-04 1:46 ` Steven Lee
2021-05-04 1:46 ` Steven Lee
2021-05-04 1:46 ` Steven Lee
2021-05-04 1:46 ` Steven Lee
2021-05-03 1:43 ` [PATCH v2 2/3] ARM: dts: aspeed: ast2600evb: Add timing-phase property for eMMC controller Steven Lee
2021-05-03 1:43 ` Steven Lee
2021-05-03 1:43 ` Steven Lee
2021-05-03 5:07 ` Andrew Jeffery
2021-05-03 5:07 ` Andrew Jeffery
2021-05-03 5:07 ` Andrew Jeffery
2021-05-03 10:58 ` Steven Lee [this message]
2021-05-03 10:58 ` Steven Lee
2021-05-03 10:58 ` Steven Lee
2021-05-03 1:43 ` [PATCH v2 3/3] mmc: sdhci-of-aspeed: Sync capabilities from device tree to ast2600 SoC registers Steven Lee
2021-05-03 1:43 ` Steven Lee
2021-05-03 1:43 ` Steven Lee
2021-05-03 1:43 ` Steven Lee
2021-05-03 5:04 ` Andrew Jeffery
2021-05-03 5:04 ` Andrew Jeffery
2021-05-03 5:04 ` Andrew Jeffery
2021-05-03 10:52 ` Steven Lee
2021-05-03 10:52 ` Steven Lee
2021-05-03 10:52 ` Steven Lee
2021-05-03 10:52 ` Steven Lee
2021-05-03 11:15 ` Andrew Jeffery
2021-05-03 11:15 ` Andrew Jeffery
2021-05-03 11:15 ` Andrew Jeffery
2021-05-03 11:15 ` Andrew Jeffery
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