[RFC PATCH 11/11] arm64: tegra: SDHCI timing settings

Krishna Yarlagadda
2024-05-06T22:53:30Z

Set SDHCI timing registers through config settings for
Tegra234 chip and P3701 board.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
---
arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi | 32 ++++++++++++++++++++
1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi
index 832538e45797..f9a92853b04a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi
@@ -442,5 +442,37 @@ standard {
};
};

+ mmc@3400000 {
+ config {
+
+ mmc-hs200 {
+ nvidia,num-tuning-iter = <0x2>;
+ };
+
+ uhs-sdr104 {
+ nvidia,num-tuning-iter = <0x2>;
+ };
+
+ uhs-sdr50 {
+ nvidia,num-tuning-iter = <0x4>;
+ };
+
+ };
+ };
+
+ mmc@3460000 {
+ config {
+
+ mmc-hs200 {
+ nvidia,num-tuning-iter = <0x2>;
+ };
+
+ mmc-hs400 {
+ nvidia,num-tuning-iter = <0x2>;
+ };
+
+ };
+ };
+
};
};
--
2.43.2