Received-SPF: pass (google.com: domain of linux-kernel+bounces-58043-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1;
From: Manuel Traut <manuel.traut@mt.com>
To: linux-kernel@vger.kernel.org
Cc: Manuel Traut <manuel.traut@mt.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: imx6ul: Set macaddress location in ocotp
Date: Thu,  8 Feb 2024 13:19:59 +0100
Message-ID: <20240208122012.1959628-1-manuel.traut@mt.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0:
	=?us-ascii?Q?23o+vxxz5Jkv98+2/rfF7+t9tSGBtWZTQMT73Y4UXJdJJahhXXzgHbhbvceB?=
 =?us-ascii?Q?O7q+WnD2hVAG7x7tflMCf4mB0baP5931nGJXvFolHJ3p2V9dKPlXh02KMOBS?=
 =?us-ascii?Q?nmeSTxpA/mcNKr6XVTGfh1bT2I2jLVcB2poM7nf/WxfLvN1Y0boAHwMWYMww?=
 =?us-ascii?Q?Poq9dvJWNWcWk7lJaUCY4UlTN5k58n0NemAr79ZSMElBDf+yINRB2vxmQdVa?=
 =?us-ascii?Q?fjJOmhagjuUbBIQSZV4cBbkb++DysHK6wT6TvYyDnZd76/Cbz0NvfFtHdjB3?=
 =?us-ascii?Q?AHQ8GMLoO0xklUufnfk5Ry8o+BLqIpQvMLa0GJUPQ3CkpFEyb7CBYZjTwH5I?=
 =?us-ascii?Q?gATP0TaMF5KVx2dWbcOm9Nk26p3eKTxbDeLjif15zzSLtaklL0usppxkTAOI?=
 =?us-ascii?Q?VTOn2lLVd/Fp/Q7t3tO0NnFfjtxMQUPSh+3Ryo4NesbJAxe/dfZuHaFjmgcS?=
 =?us-ascii?Q?9jeI5SxWRel2J0UvQDXA9EFBxq3tsrmDVAjd/ojvnI61uyoxr/lAbECemW2U?=
 =?us-ascii?Q?PBrKtNyg8ZrTlb0oPZ8vzRQYoxOYRg/Kbni4gF9lXPzYELatNHM8oWtouOTF?=
 =?us-ascii?Q?sntaAPOJskEJJAs3xiKul+CTEtb6YWET7sfGF+H2dS9NkezfRxfSoYXxAdpd?=
 =?us-ascii?Q?Y37e6OxCaqLzvwHn0bT8BKkVsRubeBVlfDLhpaqh6HZXisN6vkjHCs/onuFS?=
 =?us-ascii?Q?QDhDZbNJZ1hKn1oowT4oXRahp849LmdHwKUNsBEGO6xhn2FuXpPYir3HZV7Q?=
 =?us-ascii?Q?L+4NTL9qknSdOKeEFt6QyamoBFz6bEyEQCZLj0M5WsLUQKXK+viFqEf6X8uA?=
 =?us-ascii?Q?1TYv4cqoAEMyiAzWXkGqFW6dyQcOcwYXij9RBEL0dTpfpKLdADPsfvIZXeu3?=
 =?us-ascii?Q?t3ZmRbBQlj8V/81vPfi+da2zufEvwsqOln3XhNouekqOX5P7DprU5712hk85?=
 =?us-ascii?Q?hRHewItq5OIPjDKBPSg0nPATaA+0vdaQ+9YFaCEixdn4dGhhWohVTMcCSPjP?=
 =?us-ascii?Q?qanJxia/n9gI4oyvCzkJoQGMFSg6/GGYAriK1OMXTAiXaBmVPl2F0n0VKi56?=
 =?us-ascii?Q?h3dyJfu3BujNUB3Wj8+i364mF2uhppoJfXlJkxwQt7ao2QOwzsEjMO/l6rFz?=
 =?us-ascii?Q?r6UJHWdtfPt536khIMKUPq/oKA5dix0NDiviDUeDsEetjd4Tmp1X7h5XES7b?=
 =?us-ascii?Q?U1zYRGLkAvllj7eFrBjdpSZdQ+xGNm+/1EjMxn6EaMafIpn1GOeAMAh202CH?=
 =?us-ascii?Q?xaIi75edcfdwaJ65uhkM58j2IqCDGe1RQFS81w/VfDnQVvR5RCH2dc9FY9/h?=
 =?us-ascii?Q?jkbIz58P87tig6Vtijh7Lh5/EpbDVc/HVFPSAl30Cxzg2V4y/JagiE4g3F85?=
 =?us-ascii?Q?dYyvh3tE78Od+eJgDTFDPgVjzZLOmp0kEBo+UafKq2yAqw8aBX8GPFOra9th?=
 =?us-ascii?Q?iM4oN8VeM/aEO6IYCUvVaigfUCh5a4I601qHZOHQywt6FSFDvM0kK841KJus?=
 =?us-ascii?Q?vxb3GVSD3rcmIABgntmRER9CV5thGa+VP0dIAgw9B/Er+N9DP9Urp1YqSDqT?=
 =?us-ascii?Q?AKBs6Qobf5FkSFv+xlc9M/opjyptG00G4bAHk08c?=
X-OriginatorOrg: mt.com
X-MS-Exchange-CrossTenant-Network-Message-Id: cd3e1f48-4930-455f-035f-08dc28a050b0
X-MS-Exchange-CrossTenant-AuthSource: AS8PR03MB7621.eurprd03.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Feb 2024 12:20:19.4754
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: fb4c0aee-6cd2-482f-a1a5-717e7c02496b
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: lPS3ibthhxAO/QpeibwQ3LOxH3FXsrM2vJQZbCezS6qgWz6jHhY9pq00cD+lI0FTukkHsf+h70Uy1rkWnktHNA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR03MB7524

If a bootloader does not configure the MAC address, devices come up with
a random MAC at the moment.

ocotp provides registers for storing the mac-address.
Configure those for i.MX6UL and i.MX6ULL allows net/core to retrieve it from
there.

Signed-off-by: Manuel Traut <manuel.traut@mt.com>
---
 arch/arm/boot/dts/nxp/imx/imx6ul.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
index a27a7554c2e7..e5e8bf814f77 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
@@ -538,6 +538,8 @@ fec2: ethernet@20b4000 {
 				fsl,num-rx-queues = <1>;
 				fsl,stop-mode = <&gpr 0x10 4>;
 				fsl,magic-packet;
+				nvmem-cells = <&fec2_mac_addr>;
+				nvmem-cell-names = "mac-address";
 				status = "disabled";
 			};
 
@@ -897,6 +899,8 @@ fec1: ethernet@2188000 {
 				fsl,num-rx-queues = <1>;
 				fsl,stop-mode = <&gpr 0x10 3>;
 				fsl,magic-packet;
+				nvmem-cells = <&fec1_mac_addr>;
+				nvmem-cell-names = "mac-address";
 				status = "disabled";
 			};
 
@@ -1004,6 +1008,14 @@ tempmon_temp_grade: temp-grade@20 {
 				cpu_speed_grade: speed-grade@10 {
 					reg = <0x10 4>;
 				};
+				fec1_mac_addr: mac-addr@88 {
+					reg = <0x88 6>;
+				};
+
+				fec2_mac_addr: mac-addr@8e {
+					reg = <0x8e 6>;
+				};
+
 			};
 
 			csi: csi@21c4000 {
-- 
2.43.0