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ARM: dts: imx: ba16: Add correct PCIe Tx Values

Message ID 1456936153-6386-1-git-send-email-akshay.bhat@timesys.com (mailing list archive)
State New, archived
Headers show

Commit Message

Akshay Bhat March 2, 2016, 4:29 p.m. UTC 
From: Justin Waters <justin.waters@timesys.com>

Utilize the new PCIe Tx configuration to properly support the correct
values.

Signed-off-by: Justin Waters <justin.waters@timesys.com>
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
---

Hi Shawn,

A patch for setting PCIe PHY properties in imx6 GPR8 register has been accepted
and is in PCIe maintainers git tree.
https://patchwork.ozlabs.org/patch/568166/

Updating the ba16 based boards to set the correct tx-swing values.

Thanks,
Akshay

 arch/arm/boot/dts/imx6q-ba16.dtsi | 2 ++
 1 file changed, 2 insertions(+)

Comments

Shawn Guo March 30, 2016, 12:58 p.m. UTC | #1 
On Wed, Mar 02, 2016 at 11:29:13AM -0500, Akshay Bhat wrote:
> From: Justin Waters <justin.waters@timesys.com>
> 
> Utilize the new PCIe Tx configuration to properly support the correct
> values.
> 
> Signed-off-by: Justin Waters <justin.waters@timesys.com>
> Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>

Applied, thanks.
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Patch

diff --git a/arch/arm/boot/dts/imx6q-ba16.dtsi b/arch/arm/boot/dts/imx6q-ba16.dtsi
index 8f6e603..fcc7b50 100644
--- a/arch/arm/boot/dts/imx6q-ba16.dtsi
+++ b/arch/arm/boot/dts/imx6q-ba16.dtsi
@@ -323,6 +323,8 @@ 
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pcie>;
 	reset-gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>;
+	fsl,tx-swing-full = <103>;
+	fsl,tx-swing-low = <103>;
 	status = "okay";
 };