linux-kernel - [PATCH 1/1] arm64: dts: marvell: use reset controller to reset mac

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Message-ID: <20241112071350.762111-1-jpatel2@marvell.com>
Date: Mon, 11 Nov 2024 23:13:50 -0800
From: Jenishkumar Maheshbhai Patel <jpatel2@...vell.com>
To: <andrew@...n.ch>, <gregory.clement@...tlin.com>,
        <sebastian.hesselbarth@...il.com>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: <salee@...vell.com>, <dingwei@...vell.com>,
        Jenishkumar Maheshbhai Patel
	<jpatel2@...vell.com>
Subject: [PATCH 1/1] arm64: dts: marvell: use reset controller to reset mac

change mac reset and mac reset bits to reset controller

Signed-off-by: Jenishkumar Maheshbhai Patel <jpatel2@...vell.com>
---
 arch/arm64/boot/dts/marvell/armada-cp11x.dtsi | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
index f5aef6a23f65..f358f9809edd 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
@@ -6,7 +6,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/mvebu-icu.h>
-#define CP11X_PCIEx_MAC_RESET_BIT_MASK(n)	(0x1 << 11 + ((n + 2) % 3))
+#define CP11X_PCIEx_MAC_RESET_BIT(n)	(11 + ((n + 2) % 3))
 #include <dt-bindings/thermal/thermal.h>
 
 #include "armada-common.dtsi"
@@ -276,6 +276,12 @@ CP11X_LABEL(gpio2): gpio@140 {
 			};
 		};
 
+		CP11X_LABEL(pcie_mac_reset): pcie-mac-reset@...40268 {
+			compatible = "snps,dw-low-reset";
+			#reset-cells = <1>;
+			reg = <0x440268 0x4>;
+		};
+
 		CP11X_LABEL(syscon1): system-controller@...000 {
 			compatible = "syscon", "simple-mfd";
 			reg = <0x400000 0x1000>;
@@ -548,8 +554,7 @@ CP11X_LABEL(pcie0): pcie@...1X_PCIE0_BASE {
 		num-lanes = <1>;
 		clock-names = "core", "reg";
 		clocks = <&CP11X_LABEL(clk) 1 13>, <&CP11X_LABEL(clk) 1 14>;
-		marvell,system-controller = <&CP11X_LABEL(syscon0)>;
-		marvell,mac-reset-bit-mask = <CP11X_PCIEx_MAC_RESET_BIT_MASK(0)>;
+		resets = <&CP11X_LABEL(pcie_mac_reset) CP11X_PCIEx_MAC_RESET_BIT(0)>;
 		status = "disabled";
 	};
 
@@ -575,8 +580,7 @@ CP11X_LABEL(pcie1): pcie@...1X_PCIE1_BASE {
 		num-lanes = <1>;
 		clock-names = "core", "reg";
 		clocks = <&CP11X_LABEL(clk) 1 11>, <&CP11X_LABEL(clk) 1 14>;
-		marvell,system-controller = <&CP11X_LABEL(syscon0)>;
-		marvell,mac-reset-bit-mask = <CP11X_PCIEx_MAC_RESET_BIT_MASK(1)>;
+		resets = <&CP11X_LABEL(pcie_mac_reset) CP11X_PCIEx_MAC_RESET_BIT(1)>;
 		status = "disabled";
 	};
 
@@ -602,8 +606,7 @@ CP11X_LABEL(pcie2): pcie@...1X_PCIE2_BASE {
 		num-lanes = <1>;
 		clock-names = "core", "reg";
 		clocks = <&CP11X_LABEL(clk) 1 12>, <&CP11X_LABEL(clk) 1 14>;
-		marvell,system-controller = <&CP11X_LABEL(syscon0)>;
-		marvell,mac-reset-bit-mask = <CP11X_PCIEx_MAC_RESET_BIT_MASK(2)>;
+		resets = <&CP11X_LABEL(pcie_mac_reset) CP11X_PCIEx_MAC_RESET_BIT(2)>;
 		status = "disabled";
 	};
 };
-- 
2.25.1