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

Sven Peter via B4 Relay devnull+sven.svenpeter.dev at kernel.org
Sat May 10 00:44:45 PDT 2025


From: Sven Peter <sven at svenpeter.dev>

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

Signed-off-by: Sven Peter <sven at svenpeter.dev>
---
 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 at 27bcc0000 {
 			resets = <&ps_ans2>;
 		};
 
+		efuse at 23d2bc000 {
+			compatible = "apple,t8103-efuses", "apple,efuses";
+			reg = <0x2 0x3d2bc000 0x0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			atcphy0_auspll_rodco_bias_adjust: efuse at 430,26 {
+				reg = <0x430 4>;
+				bits = <26 3>;
+			};
+
+			atcphy0_auspll_rodco_encap: efuse at 430,29 {
+				reg = <0x430 4>;
+				bits = <29 2>;
+			};
+
+			atcphy0_auspll_dtc_vreg_adjust: efuse at 430,31 {
+				reg = <0x430 8>;
+				bits = <31 3>;
+			};
+
+			atcphy0_auspll_fracn_dll_start_capcode: efuse at 434,2 {
+				reg = <0x434 4>;
+				bits = <2 2>;
+			};
+
+			atcphy0_aus_cmn_shm_vreg_trim: efuse at 434,4 {
+				reg = <0x434 4>;
+				bits = <4 5>;
+			};
+
+			atcphy0_cio3pll_dco_coarsebin0: efuse at 434,9 {
+				reg = <0x434 4>;
+				bits = <9 6>;
+			};
+
+			atcphy0_cio3pll_dco_coarsebin1: efuse at 434,15 {
+				reg = <0x434 4>;
+				bits = <15 6>;
+			};
+
+			atcphy0_cio3pll_dll_start_capcode: efuse at 434,21 {
+				reg = <0x434 4>;
+				bits = <21 2>;
+			};
+
+			atcphy0_cio3pll_dtc_vreg_adjust: efuse at 434,23 {
+				reg = <0x434 0x4>;
+				bits = <23 3>;
+			};
+
+			atcphy1_auspll_rodco_bias_adjust: efuse at 438,4 {
+				reg = <0x438 4>;
+				bits = <4 3>;
+			};
+
+			atcphy1_auspll_rodco_encap: efuse at 438,7 {
+				reg = <0x438 4>;
+				bits = <7 2>;
+			};
+
+			atcphy1_auspll_dtc_vreg_adjust: efuse at 438,9 {
+				reg = <0x438 4>;
+				bits = <9 3>;
+			};
+
+			atcphy1_auspll_fracn_dll_start_capcode: efuse at 438,12 {
+				reg = <0x438 4>;
+				bits = <12 2>;
+			};
+
+			atcphy1_aus_cmn_shm_vreg_trim: efuse at 438,14 {
+				reg = <0x438 4>;
+				bits = <14 5>;
+			};
+
+			atcphy1_cio3pll_dco_coarsebin0: efuse at 438,19 {
+				reg = <0x438 4>;
+				bits = <19 6>;
+			};
+
+			atcphy1_cio3pll_dco_coarsebin1: efuse at 438,25 {
+				reg = <0x438 4>;
+				bits = <25 6>;
+			};
+
+			atcphy1_cio3pll_dll_start_capcode: efuse at 438,31 {
+				reg = <0x438 4>;
+				bits = <31 1>;
+			};
+
+			atcphy1_cio3pll_dll_start_capcode_workaround: efuse at 43c,0 {
+				reg = <0x43c 0x4>;
+				bits = <0 1>;
+			};
+
+			atcphy1_cio3pll_dtc_vreg_adjust: efuse at 43c,1 {
+				reg = <0x43c 0x4>;
+				bits = <1 3>;
+			};
+		};
+
 		pcie0_dart_0: iommu at 681008000 {
 			compatible = "apple,t8103-dart";
 			reg = <0x6 0x81008000 0x0 0x4000>;

-- 
2.34.1





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