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

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@glider.be>
Link: https://lore.kernel.org/3e4fca228eb049d54a1ae520104558505dbdf803.1741179629.git.geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a779f4.dtsi b/arch/arm64/boot/dts/renesas/r8a779f4.dtsi
index ebed41892df3346c782250363bb919a35c8aa203..b216d605c321c2f363d57b5078093597b095d673 100644 (file)
--- 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@144 {
+                       reg = <0x144 0x08>;
+               };
+       };
+};
+
+&ufs {
+       nvmem-cells = <&ufs_tune>;
+       nvmem-cell-names = "calibration";
+};