linux-kernel - [PATCH 2/2] ARM: dts: aspeed: add reset properties into MDIO nodes

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Message-ID: <20220321070131.23363-3-dylan_hung@aspeedtech.com>
Date:   Mon, 21 Mar 2022 15:01:31 +0800
From:   Dylan Hung <dylan_hung@...eedtech.com>
To:     <robh+dt@...nel.org>, <joel@....id.au>, <andrew@...id.au>,
        <andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
        <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <p.zabel@...gutronix.de>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>
CC:     <BMC-SW@...eedtech.com>, <stable@...r.kernel.org>
Subject: [PATCH 2/2] ARM: dts: aspeed: add reset properties into MDIO nodes

Add reset control properties into MDIO nodes.  The 4 MDIO controllers in
AST2600 SOC share one reset control bit SCU50[3].

Signed-off-by: Dylan Hung <dylan_hung@...eedtech.com>
Cc: stable@...r.kernel.org
---
 arch/arm/boot/dts/aspeed-g6.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index c32e87fad4dc..ab20ea8d829d 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -181,6 +181,7 @@ mdio0: mdio@...50000 {
 			status = "disabled";
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_mdio1_default>;
+			resets = <&syscon ASPEED_RESET_MII>;
 		};
 
 		mdio1: mdio@...50008 {
@@ -191,6 +192,7 @@ mdio1: mdio@...50008 {
 			status = "disabled";
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_mdio2_default>;
+			resets = <&syscon ASPEED_RESET_MII>;
 		};
 
 		mdio2: mdio@...50010 {
@@ -201,6 +203,7 @@ mdio2: mdio@...50010 {
 			status = "disabled";
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_mdio3_default>;
+			resets = <&syscon ASPEED_RESET_MII>;
 		};
 
 		mdio3: mdio@...50018 {
@@ -211,6 +214,7 @@ mdio3: mdio@...50018 {
 			status = "disabled";
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_mdio4_default>;
+			resets = <&syscon ASPEED_RESET_MII>;
 		};
 
 		mac0: ftgmac@...60000 {
-- 
2.25.1