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Message-Id: <20221216143624.23708-2-sjoerd@collabora.com>
Date: Fri, 16 Dec 2022 15:36:21 +0100
From: Sjoerd Simons <sjoerd@...labora.com>
To: Nishanth Menon <nm@...com>
Cc: martyn.welch@...labora.com, Nitin Yadav <n-yadav@...com>,
Aswath Govindraju <a-govindraju@...com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Tero Kristo <kristo@...nel.org>,
Vignesh Raghavendra <vigneshr@...com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] arm64: dts: ti: k3-am62-main: Update OTAP and ITAP delay select
From: Nitin Yadav <n-yadav@...com>
UHS Class U1 sd-card are not getting detected due to incorrect
OTAP/ITAP delay select values in linux. Update OTAP and ITAP
delay select values for various speed modes. For sdhci0, update
OTAP delay values for ddr52 & HS200 and add ITAP delay for legacy
& mmc-hs. For sdhci1 & sdhci2, update OTAP & ITAP delay select
recommended as in RIOT for various speed modes.
Signed-off-by: Nitin Yadav <n-yadav@...com>
[cherry-pick from vendor BSP]
Signed-off-by: Sjoerd Simons <sjoerd@...labora.com>
---
arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 46 ++++++++++++------------
1 file changed, 24 insertions(+), 22 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index 03660476364f..28c250a8d1ec 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -391,8 +391,10 @@ sdhci0: mmc@...0000 {
ti,clkbuf-sel = <0x7>;
ti,otap-del-sel-legacy = <0x0>;
ti,otap-del-sel-mmc-hs = <0x0>;
- ti,otap-del-sel-ddr52 = <0x9>;
- ti,otap-del-sel-hs200 = <0x6>;
+ ti,otap-del-sel-ddr52 = <0x5>;
+ ti,otap-del-sel-hs200 = <0x5>;
+ ti,itap-del-sel-legacy = <0xa>;
+ ti,itap-del-sel-mmc-hs = <0x1>;
};
sdhci1: mmc@...0000 {
@@ -403,17 +405,17 @@ sdhci1: mmc@...0000 {
clocks = <&k3_clks 58 5>, <&k3_clks 58 6>;
clock-names = "clk_ahb", "clk_xin";
ti,trm-icp = <0x2>;
- ti,otap-del-sel-legacy = <0x0>;
+ ti,otap-del-sel-legacy = <0x8>;
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-sdr104 = <0x6>;
- ti,otap-del-sel-ddr50 = <0x9>;
- ti,itap-del-sel-legacy = <0x0>;
- ti,itap-del-sel-sd-hs = <0x0>;
- ti,itap-del-sel-sdr12 = <0x0>;
- ti,itap-del-sel-sdr25 = <0x0>;
+ ti,otap-del-sel-sdr12 = <0x0>;
+ ti,otap-del-sel-sdr25 = <0x0>;
+ ti,otap-del-sel-sdr50 = <0x8>;
+ ti,otap-del-sel-sdr104 = <0x7>;
+ ti,otap-del-sel-ddr50 = <0x4>;
+ ti,itap-del-sel-legacy = <0xa>;
+ ti,itap-del-sel-sd-hs = <0x1>;
+ ti,itap-del-sel-sdr12 = <0xa>;
+ ti,itap-del-sel-sdr25 = <0x1>;
ti,clkbuf-sel = <0x7>;
bus-width = <4>;
};
@@ -426,17 +428,17 @@ sdhci2: mmc@...0000 {
clocks = <&k3_clks 184 5>, <&k3_clks 184 6>;
clock-names = "clk_ahb", "clk_xin";
ti,trm-icp = <0x2>;
- ti,otap-del-sel-legacy = <0x0>;
+ ti,otap-del-sel-legacy = <0x8>;
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-sdr104 = <0x6>;
- ti,otap-del-sel-ddr50 = <0x9>;
- ti,itap-del-sel-legacy = <0x0>;
- ti,itap-del-sel-sd-hs = <0x0>;
- ti,itap-del-sel-sdr12 = <0x0>;
- ti,itap-del-sel-sdr25 = <0x0>;
+ ti,otap-del-sel-sdr12 = <0x0>;
+ ti,otap-del-sel-sdr25 = <0x0>;
+ ti,otap-del-sel-sdr50 = <0x8>;
+ ti,otap-del-sel-sdr104 = <0x7>;
+ ti,otap-del-sel-ddr50 = <0x8>;
+ ti,itap-del-sel-legacy = <0xa>;
+ ti,itap-del-sel-sd-hs = <0xa>;
+ ti,itap-del-sel-sdr12 = <0xa>;
+ ti,itap-del-sel-sdr25 = <0x1>;
ti,clkbuf-sel = <0x7>;
};
--
2.39.0
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