[PATCH v3 1/2] arm64: dts: ti: k3-am62p/j722s: Remove HS400 support from common

Judith Mendez
2025-09-09T08:06:35Z

Since eMMC HS400 has been descoped for J722s due to errata i2478 [0]
and is supported for AM62Px device, remove eMMC HS400 support from
common-main.dtsi and include only in am62p-main.dtsi.

[0] https://www.ti.com/lit/pdf/sprz575
Signed-off-by: Judith Mendez <jm@ti.com>
---
arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi | 3 ---
arch/arm64/boot/dts/ti/k3-am62p-main.dtsi | 6 ++++++
2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
index 4427b12058a6..0c05bcf1d776 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
@@ -576,15 +576,12 @@ sdhci0: mmc@fa10000 {
bus-width = <8>;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
- mmc-hs400-1_8v;
ti,clkbuf-sel = <0x7>;
- ti,strobe-sel = <0x77>;
ti,trm-icp = <0x8>;
ti,otap-del-sel-legacy = <0x1>;
ti,otap-del-sel-mmc-hs = <0x1>;
ti,otap-del-sel-ddr52 = <0x6>;
ti,otap-del-sel-hs200 = <0x8>;
- ti,otap-del-sel-hs400 = <0x5>;
ti,itap-del-sel-legacy = <0x10>;
ti,itap-del-sel-mmc-hs = <0xa>;
ti,itap-del-sel-ddr52 = <0x3>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
index 6aea9d3f134e..020bd121a6a3 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
@@ -74,3 +74,9 @@ &main_gpio1 {
gpio-reserved-ranges = <32 10>;
ti,ngpio = <52>;
};
+
+&sdhci0 {
+ mmc-hs400-1_8v;
+ ti,strobe-sel = <0x77>;
+ ti,otap-del-sel-hs400 = <0x5>;
+};
--
2.51.0