[PATCH 2/2] arm64: dts: imx8mn: Expand EEPROM description on ifm VHIP4 EvalBoard

[Marek Vasut]

Describe the EEPROM write protect GPIOs and labels on VHIP4 EvalBoard.

Signed-off-by: Marek Vasut <marex at nabladev.com>
---
Cc: Bartosz Golaszewski <brgl at kernel.org>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Fedor Ross <fedor.ross at ifm.com>
Cc: Frank Li <Frank.Li at nxp.com>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Linus Walleij <linus.walleij at linaro.org>
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: Rob Herring <robh at kernel.org>
Cc: Will Deacon <will at kernel.org>
Cc: devicetree at vger.kernel.org
Cc: imx at lists.linux.dev
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
---
 .../imx8mn-vhip4-evalboard-common.dtsi        |  3 +-
 .../freescale/imx8mn-vhip4-evalboard-v1.dts   |  8 ++++++
 .../freescale/imx8mn-vhip4-evalboard-v2.dts   | 28 ++++++++++++++++---
 3 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-common.dtsi
index aaf9761703aaf..73b1ed2632a39 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-common.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-common.dtsi
@@ -142,8 +142,9 @@ &i2c1 {
 	pinctrl-0 = <&pinctrl_i2c1>;
 	pinctrl-1 = <&pinctrl_i2c1_gpio>;
 
-	eeprom at 51 {
+	cfg_eeprom: eeprom at 51 {
 		compatible = "atmel,24c128";
+		label = "ifm-deviceinfo";
 		reg = <0x51>;
 	};
 
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v1.dts b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v1.dts
index a8f7c226a61f8..98dd241a9d5ce 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v1.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v1.dts
@@ -13,6 +13,11 @@ / {
 		     "ifm,imx8mn-vhip4", "fsl,imx8mn";
 };
 
+&cfg_eeprom {
+	/* Shared with logging EEPROM on v1 hardware */
+	wp-gpios = <&gpio5 20 GPIO_ACTIVE_HIGH>;
+};
+
 &ifm_led {
 	pinctrl-1 = <&pinctrl_gpio_led_v1>;
 
@@ -90,7 +95,10 @@ temperature-sensor at 48 {
 
 	eeprom at 50 {
 		compatible = "atmel,24c128";
+		label = "ifm-logging";
 		reg = <0x50>;
+		/* Shared with configuration EEPROM on v1 hardware */
+		wp-gpios = <&gpio5 20 GPIO_ACTIVE_HIGH>;
 	};
 };
 
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v2.dts b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v2.dts
index 43fd4d0041ef3..04fa43b12d2b5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-evalboard-v2.dts
@@ -20,6 +20,12 @@ multi-led {
 	};
 };
 
+&cfg_eeprom {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_cfgeeprom>;
+	wp-gpios = <&gpio2 11 GPIO_ACTIVE_HIGH>;
+};
+
 &ifm_led {
 	pinctrl-1 = <&pinctrl_gpio_led_v2>;
 
@@ -87,7 +93,11 @@ temperature-sensor at 48 {
 
 	eeprom at 54 {
 		compatible = "atmel,24c128";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_logeeprom>;
+		label = "ifm-logging";
 		reg = <0x54>;
+		wp-gpios = <&gpio5 3 GPIO_ACTIVE_HIGH>;
 	};
 };
 
@@ -103,6 +113,13 @@ &ifm_pmic {
 };
 
 &iomuxc {
+	pinctrl_cfgeeprom: cfgeeprom-grp {
+		fsl,pins = <
+			/* CFG_EEPROM_WP */
+			MX8MN_IOMUXC_SD1_STROBE_GPIO2_IO11		0x140
+		>;
+	};
+
 	pinctrl_ecspi1_cs: ecspi1-cs-grp {
 		fsl,pins = <
 			/* KS8794 nCS */
@@ -143,12 +160,8 @@ pinctrl_i2c1_gpio: i2c1-gpio-grp {
 		fsl,pins = <
 			MX8MN_IOMUXC_SD1_DATA4_GPIO2_IO6		0x56
 			MX8MN_IOMUXC_SD1_DATA5_GPIO2_IO7		0xd6
-			/* CFG_EEPROM_WP */
-			MX8MN_IOMUXC_SD1_STROBE_GPIO2_IO11		0x140
 			/* RTC_nIRQ */
 			MX8MN_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5		0x116
-			/* LOG_EE_WP */
-			MX8MN_IOMUXC_SPDIF_TX_GPIO5_IO3			0x140
 		>;
 	};
 
@@ -166,6 +179,13 @@ MX8MN_IOMUXC_I2C3_SDA_GPIO5_IO19		0xd6
 		>;
 	};
 
+	pinctrl_logeeprom: logeeprom-grp {
+		fsl,pins = <
+			/* LOG_EE_WP */
+			MX8MN_IOMUXC_SPDIF_TX_GPIO5_IO3			0x140
+		>;
+	};
+
 	pinctrl_mcp2518: mcp2518-grp {
 		fsl,pins = <
 			/* CAN0_CLKO */
-- 
2.53.0