[PATCH 5/7] arm64: dts: apple: t8103: Add eFuses node

From: Sven Peter via B4 Relay
Date: Sat May 10 2025 - 03:46:19 EST


From: Sven Peter <sven@xxxxxxxxxxxxx>

Add the eFuse controller and the nvmem cells required for both Type-C
PHYs.

Signed-off-by: Sven Peter <sven@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/apple/t8103.dtsi | 102 +++++++++++++++++++++++++++++++++++
1 file changed, 102 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 97b6a067394e311ed19392a34237c74936dbb7d7..e7ca9204a9a2fedc70111fdd8ed3f7e8e4f8d266 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -854,6 +854,108 @@ nvme@27bcc0000 {
resets = <&ps_ans2>;
};

+ efuse@23d2bc000 {
+ compatible = "apple,t8103-efuses", "apple,efuses";
+ reg = <0x2 0x3d2bc000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ atcphy0_auspll_rodco_bias_adjust: efuse@430,26 {
+ reg = <0x430 4>;
+ bits = <26 3>;
+ };
+
+ atcphy0_auspll_rodco_encap: efuse@430,29 {
+ reg = <0x430 4>;
+ bits = <29 2>;
+ };
+
+ atcphy0_auspll_dtc_vreg_adjust: efuse@430,31 {
+ reg = <0x430 8>;
+ bits = <31 3>;
+ };
+
+ atcphy0_auspll_fracn_dll_start_capcode: efuse@434,2 {
+ reg = <0x434 4>;
+ bits = <2 2>;
+ };
+
+ atcphy0_aus_cmn_shm_vreg_trim: efuse@434,4 {
+ reg = <0x434 4>;
+ bits = <4 5>;
+ };
+
+ atcphy0_cio3pll_dco_coarsebin0: efuse@434,9 {
+ reg = <0x434 4>;
+ bits = <9 6>;
+ };
+
+ atcphy0_cio3pll_dco_coarsebin1: efuse@434,15 {
+ reg = <0x434 4>;
+ bits = <15 6>;
+ };
+
+ atcphy0_cio3pll_dll_start_capcode: efuse@434,21 {
+ reg = <0x434 4>;
+ bits = <21 2>;
+ };
+
+ atcphy0_cio3pll_dtc_vreg_adjust: efuse@434,23 {
+ reg = <0x434 0x4>;
+ bits = <23 3>;
+ };
+
+ atcphy1_auspll_rodco_bias_adjust: efuse@438,4 {
+ reg = <0x438 4>;
+ bits = <4 3>;
+ };
+
+ atcphy1_auspll_rodco_encap: efuse@438,7 {
+ reg = <0x438 4>;
+ bits = <7 2>;
+ };
+
+ atcphy1_auspll_dtc_vreg_adjust: efuse@438,9 {
+ reg = <0x438 4>;
+ bits = <9 3>;
+ };
+
+ atcphy1_auspll_fracn_dll_start_capcode: efuse@438,12 {
+ reg = <0x438 4>;
+ bits = <12 2>;
+ };
+
+ atcphy1_aus_cmn_shm_vreg_trim: efuse@438,14 {
+ reg = <0x438 4>;
+ bits = <14 5>;
+ };
+
+ atcphy1_cio3pll_dco_coarsebin0: efuse@438,19 {
+ reg = <0x438 4>;
+ bits = <19 6>;
+ };
+
+ atcphy1_cio3pll_dco_coarsebin1: efuse@438,25 {
+ reg = <0x438 4>;
+ bits = <25 6>;
+ };
+
+ atcphy1_cio3pll_dll_start_capcode: efuse@438,31 {
+ reg = <0x438 4>;
+ bits = <31 1>;
+ };
+
+ atcphy1_cio3pll_dll_start_capcode_workaround: efuse@43c,0 {
+ reg = <0x43c 0x4>;
+ bits = <0 1>;
+ };
+
+ atcphy1_cio3pll_dtc_vreg_adjust: efuse@43c,1 {
+ reg = <0x43c 0x4>;
+ bits = <1 3>;
+ };
+ };
+
pcie0_dart_0: iommu@681008000 {
compatible = "apple,t8103-dart";
reg = <0x6 0x81008000 0x0 0x4000>;

--
2.34.1