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Message-ID: <20230424093827.1378602-1-b-kapoor@ti.com>
Date: Mon, 24 Apr 2023 15:08:27 +0530
From: Bhavya Kapoor <b-kapoor@...com>
To: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC: <b-kapoor@...com>, <linux-arm-kernel@...ts.infradead.org>,
<krzysztof.kozlowski+dt@...aro.org>, <robh+dt@...nel.org>,
<kristo@...nel.org>, <vigneshr@...com>, <nm@...com>
Subject: [PATCH] arm64: dts: ti: k3-j721e-main: Update delay select values for MMC subsystems
Update the delay values for various speed modes supported, based on
the revised august 2021 J721E Datasheet.
[1] - Table 7-77. MMC0 DLL Delay Mapping for All Timing Modes and
Table 7-86. MMC1/2 DLL Delay Mapping for All Timing Modes, in
https://www.ti.com/lit/ds/symlink/tda4vm.pdf,
(SPRSP36J – FEBRUARY 2019 – REVISED AUGUST 2021)
Signed-off-by: Bhavya Kapoor <b-kapoor@...com>
---
arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 10c8a5fb4ee2..c249cc3d1fba 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -1287,8 +1287,8 @@ main_sdhci0: mmc@...0000 {
bus-width = <8>;
mmc-hs200-1_8v;
mmc-ddr-1_8v;
- ti,otap-del-sel-legacy = <0xf>;
- ti,otap-del-sel-mmc-hs = <0xf>;
+ ti,otap-del-sel-legacy = <0x0>;
+ ti,otap-del-sel-mmc-hs = <0x0>;
ti,otap-del-sel-ddr52 = <0x5>;
ti,otap-del-sel-hs200 = <0x6>;
ti,otap-del-sel-hs400 = <0x0>;
@@ -1309,11 +1309,12 @@ main_sdhci1: mmc@...0000 {
assigned-clocks = <&k3_clks 92 0>;
assigned-clock-parents = <&k3_clks 92 1>;
ti,otap-del-sel-legacy = <0x0>;
- ti,otap-del-sel-sd-hs = <0xf>;
+ ti,otap-del-sel-sd-hs = <0x0>;
ti,otap-del-sel-sdr12 = <0xf>;
ti,otap-del-sel-sdr25 = <0xf>;
ti,otap-del-sel-sdr50 = <0xc>;
ti,otap-del-sel-ddr50 = <0xc>;
+ ti,otap-del-sel-sdr104 = <0x5>;
ti,itap-del-sel-legacy = <0x0>;
ti,itap-del-sel-sd-hs = <0x0>;
ti,itap-del-sel-sdr12 = <0x0>;
@@ -1335,11 +1336,12 @@ main_sdhci2: mmc@...8000 {
assigned-clocks = <&k3_clks 93 0>;
assigned-clock-parents = <&k3_clks 93 1>;
ti,otap-del-sel-legacy = <0x0>;
- ti,otap-del-sel-sd-hs = <0xf>;
+ ti,otap-del-sel-sd-hs = <0x0>;
ti,otap-del-sel-sdr12 = <0xf>;
ti,otap-del-sel-sdr25 = <0xf>;
ti,otap-del-sel-sdr50 = <0xc>;
ti,otap-del-sel-ddr50 = <0xc>;
+ ti,otap-del-sel-sdr104 = <0x5>;
ti,itap-del-sel-legacy = <0x0>;
ti,itap-del-sel-sd-hs = <0x0>;
ti,itap-del-sel-sdr12 = <0x0>;
--
2.34.1
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