[PATCH] arm64: dts: imx8mp: Describe M24C32-D write-lockable page in DH i.MX8MP DHCOM DT
Marek Vasut
marex at denx.de
Sun Oct 15 13:01:24 PDT 2023
The i.MX8MP DHCOM SoM production rev.200 is populated with M24C32-D
EEPROMs which have Additional Write lockable page at separate I2C
address. Describe the page in DT to make it available.
Signed-off-by: Marek Vasut <marex at denx.de>
---
NOTE: The labels are there so they can be used by U-Boot and DTOs
NOTE: Depends on currently linux-next next-20231013
c761068f484c ("dt-bindings: at24: add ST M24C32-D Additional Write lockable page")
4791146e9055 ("eeprom: at24: add ST M24C32-D Additional Write lockable page support")
---
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Frieder Schrempf <frieder.schrempf at kontron.de>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt at linaro.org>
Cc: Marco Felsch <m.felsch at pengutronix.de>
Cc: NXP Linux Team <linux-imx at nxp.com>
Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
Cc: Rob Herring <robh+dt at kernel.org>
Cc: Sascha Hauer <s.hauer at pengutronix.de>
Cc: Shawn Guo <shawnguo at kernel.org>
Cc: devicetree at vger.kernel.org
Cc: linux-arm-kernel at lists.infradead.org
---
arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi
index d8963f32ec84c..4ae4fdab461e0 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi
@@ -420,6 +420,18 @@ eeprom1: eeprom at 53 { /* EEPROM with FEC MAC address */
reg = <0x53>;
};
+ eeprom0wl: eeprom at 58 {
+ compatible = "atmel,24c32d-wl"; /* M24C32-D WL page of 0x50 */
+ pagesize = <32>;
+ reg = <0x58>;
+ };
+
+ eeprom1wl: eeprom at 5b {
+ compatible = "atmel,24c32d-wl"; /* M24C32-D WL page of 0x53 */
+ pagesize = <32>;
+ reg = <0x5b>;
+ };
+
ioexp: gpio at 74 {
compatible = "nxp,pca9539";
reg = <0x74>;
--
2.42.0
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