[PATCH 7/7] arm64: dts: apple: t8112: Add eFuses node

Sven Peter via B4 Relay devnull+sven.svenpeter.dev at kernel.org
Sat May 10 00:44:47 PDT 2025


From: Janne Grunau <j at jannau.net>

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

Signed-off-by: Janne Grunau <j at jannau.net>
Signed-off-by: Sven Peter <sven at svenpeter.dev>
---
 arch/arm64/boot/dts/apple/t8112.dtsi | 97 ++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi
index d9b966d68e4fae2dfb21d6fb7a97ebba81643ae8..4dec6415ef73e922dd574997569ad0e6acbc9658 100644
--- a/arch/arm64/boot/dts/apple/t8112.dtsi
+++ b/arch/arm64/boot/dts/apple/t8112.dtsi
@@ -782,6 +782,103 @@ wdt: watchdog at 23d2b0000 {
 			interrupts = <AIC_IRQ 379 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		efuse at 23d2c8000 {
+			compatible = "apple,t8112-efuses", "apple,efuses";
+			reg = <0x2 0x3d2c8000 0x0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			atcphy0_auspll_rodco_bias_adjust: efuse at 480,20 {
+				reg = <0x480 4>;
+				bits = <20 3>;
+			};
+
+			atcphy0_auspll_rodco_encap: efuse at 480,23 {
+				reg = <0x480 4>;
+				bits = <23 2>;
+			};
+
+			atcphy0_auspll_dtc_vreg_adjust: efuse at 480,25 {
+				reg = <0x480 4>;
+				bits = <25 3>;
+			};
+
+			atcphy0_auspll_fracn_dll_start_capcode: efuse at 480,28 {
+				reg = <0x480 4>;
+				bits = <28 2>;
+			};
+
+			atcphy0_aus_cmn_shm_vreg_trim: efuse at 480,30 {
+				reg = <0x480 8>;
+				bits = <30 5>;
+			};
+
+			atcphy0_cio3pll_dco_coarsebin0: efuse at 484,3 {
+				reg = <0x484 4>;
+				bits = <3 6>;
+			};
+
+			atcphy0_cio3pll_dco_coarsebin1: efuse at 484,9 {
+				reg = <0x484 4>;
+				bits = <9 6>;
+			};
+
+			atcphy0_cio3pll_dll_start_capcode: efuse at 484,15 {
+				reg = <0x484 4>;
+				bits = <15 2>;
+			};
+
+			atcphy0_cio3pll_dtc_vreg_adjust: efuse at 484,17 {
+				reg = <0x484 0x4>;
+				bits = <17 3>;
+			};
+
+			atcphy1_auspll_rodco_bias_adjust: efuse at 484,30 {
+				reg = <0x484 8>;
+				bits = <30 3>;
+			};
+
+			atcphy1_auspll_rodco_encap: efuse at 488,1 {
+				reg = <0x488 8>;
+				bits = <1 2>;
+			};
+
+			atcphy1_auspll_dtc_vreg_adjust: efuse at 488,3 {
+				reg = <0x488 4>;
+				bits = <3 3>;
+			};
+
+			atcphy1_auspll_fracn_dll_start_capcode: efuse at 488,6 {
+				reg = <0x488 4>;
+				bits = <6 2>;
+			};
+
+			atcphy1_aus_cmn_shm_vreg_trim: efuse at 488,8 {
+				reg = <0x488 4>;
+				bits = <8 5>;
+			};
+
+			atcphy1_cio3pll_dco_coarsebin0: efuse at 488,13 {
+				reg = <0x488 4>;
+				bits = <13 6>;
+			};
+
+			atcphy1_cio3pll_dco_coarsebin1: efuse at 488,19 {
+				reg = <0x488 4>;
+				bits = <19 6>;
+			};
+
+			atcphy1_cio3pll_dll_start_capcode: efuse at 488,25 {
+				reg = <0x488 4>;
+				bits = <25 2>;
+			};
+
+			atcphy1_cio3pll_dtc_vreg_adjust: efuse at 488,27 {
+				reg = <0x488 0x4>;
+				bits = <27 3>;
+			};
+		};
+
 		pinctrl_smc: pinctrl at 23e820000 {
 			compatible = "apple,t8112-pinctrl", "apple,pinctrl";
 			reg = <0x2 0x3e820000 0x0 0x4000>;

-- 
2.34.1





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