linux-kernel - [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values

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Message-ID: <20200109085152.10573-1-faiz_abbas@ti.com>
Date:   Thu, 9 Jan 2020 14:21:52 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <mark.rutland@....com>, <robh+dt@...nel.org>, <nm@...com>,
        <t-kristo@...com>, <faiz_abbas@...com>
Subject: [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values

According to the latest AM65x Data Manual[1], a different output tap
delay value is optimum for a given speed mode. Update these values.

[1] http://www.ti.com/lit/gpn/am6526

Signed-off-by: Faiz Abbas <faiz_abbas@...com>
---

This patch depends on my two kernel series posted here:
https://patchwork.kernel.org/project/linux-mmc/list/?series=225425
https://patchwork.kernel.org/project/linux-mmc/list/?series=225459

 arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index efb24579922c..c8d812fdfa0a 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -253,7 +253,17 @@
 		interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
 		mmc-ddr-1_8v;
 		mmc-hs200-1_8v;
-		ti,otap-del-sel = <0x2>;
+		ti,otap-del-sel-legacy = <0x0>;
+		ti,otap-del-sel-mmc-hs = <0x0>;
+		ti,otap-del-sel-sd-hs = <0x0>;
+		ti,otap-del-sel-sdr12 = <0x0>;
+		ti,otap-del-sel-sdr25 = <0x0>;
+		ti,otap-del-sel-sdr50 = <0x8>;
+		ti,otap-del-sel-sdr104 = <0x5>;
+		ti,otap-del-sel-ddr50 = <0x5>;
+		ti,otap-del-sel-ddr52 = <0x5>;
+		ti,otap-del-sel-hs200 = <0x5>;
+		ti,otap-del-sel-hs400 = <0x0>;
 		ti,trm-icp = <0x8>;
 		dma-coherent;
 	};
-- 
2.19.2