[PATCH] arm64: dts: renesas: r8a779f4: Add UFS tuning parameters in E-FUSE

[Geert Uytterhoeven]

Describe the location in the E-FUSE block of the PLL and AFE tuning
parameters for the Universal Flash Storage controller.

Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
Updated DT bindings and driver code are available in "[PATCH v3 0/7]
scsi: ufs: renesas: Add support for R-Car S4-8 ES1.2"
https://lore.kernel.org/cover.1741179611.git.geert+renesas@glider.be
---
 arch/arm64/boot/dts/renesas/r8a779f4.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779f4.dtsi b/arch/arm64/boot/dts/renesas/r8a779f4.dtsi
index ebed41892df3346c..b216d605c321c2f3 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f4.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f4.dtsi
@@ -10,3 +10,20 @@
 / {
 	compatible = "renesas,r8a779f4", "renesas,r8a779f0";
 };
+
+&fuse {
+	nvmem-layout {
+		compatible = "fixed-layout";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		ufs_tune: calib at 144 {
+			reg = <0x144 0x08>;
+		};
+	};
+};
+
+&ufs {
+	nvmem-cells = <&ufs_tune>;
+	nvmem-cell-names = "calibration";
+};
-- 
2.43.0