linux-kernel - [PATCH v2 3/4] arm64: dts: mediatek: mt8195: add efuse node and cells

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Date:   Fri, 28 Jan 2022 14:29:01 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Tianping Fang <tianping.fang@...iatek.com>,
        Eddie Hung <eddie.hung@...iatek.com>
Subject: [PATCH v2 3/4] arm64: dts: mediatek: mt8195: add efuse node and cells

Add efuse node and cells used by t-phy to fix the bit shift issue

Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
v2: use hw auto load for u2phy which has no this issue

Note:

 depend on the reviewing patch:

[v9,3/3] arm64: dts: Add mediatek SoC mt8195 and evaluation board
https://patchwork.kernel.org/patch/12711296
---
 arch/arm64/boot/dts/mediatek/mt8195.dtsi | 55 ++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index a363e82f6988..240a21708806 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -695,6 +695,53 @@
 			status = "disabled";
 		};
 
+		efuse: efuse@...10000 {
+			compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
+			reg = <0 0x11c10000 0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			u3_tx_imp_p0: usb3-tx-imp@184 {
+				reg = <0x184 0x1>;
+				bits = <0 5>;
+			};
+			u3_rx_imp_p0: usb3-rx-imp@184 {
+				reg = <0x184 0x2>;
+				bits = <5 5>;
+			};
+			u3_intr_p0: usb3-intr@185 {
+				reg = <0x185 0x1>;
+				bits = <2 6>;
+			};
+			comb_tx_imp_p1: usb3-tx-imp@186 {
+				reg = <0x186 0x1>;
+				bits = <0 5>;
+			};
+			comb_rx_imp_p1: usb3-rx-imp@186 {
+				reg = <0x186 0x2>;
+				bits = <5 5>;
+			};
+			comb_intr_p1: usb3-intr@187 {
+				reg = <0x187 0x1>;
+				bits = <2 6>;
+			};
+			u2_intr_p0: usb2-intr-p0@188 {
+				reg = <0x188 0x1>;
+				bits = <0 5>;
+			};
+			u2_intr_p1: usb2-intr-p1@188 {
+				reg = <0x188 0x2>;
+				bits = <5 5>;
+			};
+			u2_intr_p2: usb2-intr-p2@189 {
+				reg = <0x189 0x1>;
+				bits = <2 5>;
+			};
+			u2_intr_p3: usb2-intr-p3@189 {
+				reg = <0x189 0x2>;
+				bits = <7 5>;
+			};
+		};
+
 		u3phy2: t-phy@...40000 {
 			compatible = "mediatek,mt8195-tphy", "mediatek,generic-tphy-v3";
 			#address-cells = <1>;
@@ -877,6 +924,10 @@
 				clocks = <&apmixedsys CLK_APMIXED_PLL_SSUSB26M>,
 					 <&topckgen CLK_TOP_SSUSB_PHY_P1_REF>;
 				clock-names = "ref", "da_ref";
+				nvmem-cells = <&comb_intr_p1>,
+					      <&comb_rx_imp_p1>,
+					      <&comb_tx_imp_p1>;
+				nvmem-cell-names = "intr", "rx_imp", "tx_imp";
 				#phy-cells = <1>;
 			};
 		};
@@ -901,6 +952,10 @@
 				clocks = <&apmixedsys CLK_APMIXED_PLL_SSUSB26M>,
 					 <&topckgen CLK_TOP_SSUSB_PHY_REF>;
 				clock-names = "ref", "da_ref";
+				nvmem-cells = <&u3_intr_p0>,
+					      <&u3_rx_imp_p0>,
+					      <&u3_tx_imp_p0>;
+				nvmem-cell-names = "intr", "rx_imp", "tx_imp";
 				#phy-cells = <1>;
 			};
 		};
-- 
2.18.0