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From: Andrei Simion <andrei.simion@microchip.com>
To: <brgl@bgdev.pl>, <robh@kernel.org>, <krzk+dt@kernel.org>,
	<conor+dt@kernel.org>, <nicolas.ferre@microchip.com>,
	<alexandre.belloni@bootlin.com>, <claudiu.beznea@tuxon.dev>,
	<arnd@arndb.de>, <gregkh@linuxfoundation.org>
Cc: <linux-i2c@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	Claudiu Beznea <claudiu.beznea@microchip.com>,
	Andrei Simion <andrei.simion@microchip.com>
Subject: [PATCH v2 2/3] ARM: dts: at91: at91-sama7g5ek: add EEPROMs
Date: Fri, 21 Jun 2024 15:13:39 +0300	[thread overview]
Message-ID: <20240621121340.114486-3-andrei.simion@microchip.com> (raw)
In-Reply-To: <20240621121340.114486-1-andrei.simion@microchip.com>

From: Claudiu Beznea <claudiu.beznea@microchip.com>

Add EEPROMs and nvmem-layout to describe eui48 mac address region.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Co-developed-by: Andrei Simion <andrei.simion@microchip.com>
Signed-off-by: Andrei Simion <andrei.simion@microchip.com>
---
v1 -> v2:
- remove unnecessary #address-cells #size-cells
---
 .../arm/boot/dts/microchip/at91-sama7g5ek.dts | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/at91-sama7g5ek.dts b/arch/arm/boot/dts/microchip/at91-sama7g5ek.dts
index 20b2497657ae..266ca71f48c3 100644
--- a/arch/arm/boot/dts/microchip/at91-sama7g5ek.dts
+++ b/arch/arm/boot/dts/microchip/at91-sama7g5ek.dts
@@ -403,6 +403,42 @@ i2c8: i2c@600 {
 		i2c-digital-filter;
 		i2c-digital-filter-width-ns = <35>;
 		status = "okay";
+
+		eeprom0: eeprom@52 {
+			compatible = "atmel,24mac02e4";
+			reg = <0x52>;
+			size = <256>;
+			pagesize = <16>;
+			vcc-supply = <&vdd_3v3>;
+
+			nvmem-layout {
+				compatible = "fixed-layout";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				eeprom0_eui48: eui48@fa {
+					reg = <0xfa 0x6>;
+				};
+			};
+		};
+
+		eeprom1: eeprom@53 {
+			compatible = "atmel,24mac02e4";
+			reg = <0x53>;
+			size = <256>;
+			pagesize = <16>;
+			vcc-supply = <&vdd_3v3>;
+
+			nvmem-layout {
+				compatible = "fixed-layout";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				eeprom1_eui48: eui48@fa {
+					reg = <0xfa 0x6>;
+				};
+			};
+		};
 	};
 };
 
@@ -440,6 +476,8 @@ &pinctrl_gmac0_mdio_default
 		     &pinctrl_gmac0_txck_default
 		     &pinctrl_gmac0_phy_irq>;
 	phy-mode = "rgmii-id";
+	nvmem-cells = <&eeprom0_eui48>;
+	nvmem-cell-names = "mac-address";
 	status = "okay";
 
 	ethernet-phy@7 {
@@ -457,6 +495,8 @@ &gmac1 {
 		     &pinctrl_gmac1_mdio_default
 		     &pinctrl_gmac1_phy_irq>;
 	phy-mode = "rmii";
+	nvmem-cells = <&eeprom1_eui48>;
+	nvmem-cell-names = "mac-address";
 	status = "okay"; /* Conflict with pdmc0. */
 
 	ethernet-phy@0 {
-- 
2.34.1


  parent reply	other threads:[~2024-06-21 12:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-21 12:13 [PATCH v2 0/3] Read MAC address through NVMEM for sama7g5ek Andrei Simion
2024-06-21 12:13 ` [PATCH v2 1/3] eeprom: at24: avoid adjusting offset for 24AA025E{48, 64} Andrei Simion
2024-06-26  8:16   ` Bartosz Golaszewski
2024-06-26  8:16     ` Bartosz Golaszewski
2024-06-21 12:13 ` Andrei Simion [this message]
2024-06-21 12:13 ` [PATCH v2 3/3] dt-bindings: eeprom: at24: Add at24,mac02e4 and at24,mac02e6 Andrei Simion
2024-06-21 14:14   ` Conor Dooley
2024-06-21 14:14     ` Conor Dooley
2024-06-24 19:49   ` Rob Herring
2024-06-24 19:49     ` Rob Herring
2024-06-25  7:33     ` Andrei.Simion
2024-06-25  7:33       ` Andrei.Simion
2024-06-25 16:15       ` Conor Dooley
2024-06-25 16:15         ` Conor Dooley

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