[PATCH 2/2] arm: dts: k3-j721s2-main: Add Itap Delay Value For DDR50 speed mode

Bhavya Kapoor b-kapoor at ti.com
Mon Jan 8 06:19:22 CET 2024


DDR50 speed mode is enabled for MMCSD in J721s2 but its Itap Delay
Value is not present in the device tree. Thus, add Itap Delay Value
for MMCSD Ultra High Speed DDR which is DDR50 speed mode for J721s2 SoC
according to datasheet for J721s2 [1].

[1] Refer to : section 7.10.5.17.2 MMC1/2 - SD/SDIO Interface,  in
	J721s2 datasheet
- https://www.ti.com/lit/ds/symlink/tda4vl-q1.pdf

Signed-off-by: Bhavya Kapoor <b-kapoor at ti.com>
---
 arch/arm/dts/k3-j721s2-main.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/dts/k3-j721s2-main.dtsi b/arch/arm/dts/k3-j721s2-main.dtsi
index 084f8f5b66..8a86f6ce8e 100644
--- a/arch/arm/dts/k3-j721s2-main.dtsi
+++ b/arch/arm/dts/k3-j721s2-main.dtsi
@@ -766,6 +766,7 @@
 		ti,itap-del-sel-sd-hs = <0x0>;
 		ti,itap-del-sel-sdr12 = <0x0>;
 		ti,itap-del-sel-sdr25 = <0x0>;
+		ti,itap-del-sel-ddr50 = <0x2>;
 		ti,clkbuf-sel = <0x7>;
 		ti,trm-icp = <0x8>;
 		dma-coherent;
-- 
2.40.1



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