Commit a6d7c735 authored by Eric Cooper's avatar Eric Cooper Committed by Phil Elwell
Browse files

overlays: i2c-rtc: add m41t62 

Add support for the ST M41T62 real-time clock chip.
parent f8e55695

arch/arm/boot/dts/overlays/README

+2 −0
Original line number Diff line number Diff line
@@ -674,6 +674,8 @@ Params: abx80x Select one of the ABx80x family: 


        ds3231                  Select the DS3231 device



        m41t62                  Select the M41T62 device



        mcp7940x                Select the MCP7940x device



        mcp7941x                Select the MCP7941x device

arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts

+18 −1
Original line number Diff line number Diff line
@@ -143,6 +143,21 @@ 
		};

	};



	fragment@9 {

		target = <&i2c_arm>;

		__dormant__ {

			#address-cells = <1>;

			#size-cells = <0>;

			status = "okay";



			m41t62: m41t62@68 {

				compatible = "st,m41t62";

				reg = <0x68>;

				status = "okay";

			};

		};

	};



	__overrides__ {

		abx80x = <0>,"+0";

		ds1307 = <0>,"+1";
@@ -153,12 +168,14 @@ 
		pcf2127 = <0>,"+6";

		pcf8523 = <0>,"+7";

		pcf8563 = <0>,"+8";

		m41t62 = <0>,"+9";

		trickle-diode-type = <&abx80x>,"abracon,tc-diode";

		trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",

					<&abx80x>,"abracon,tc-resistor";

		wakeup-source = <&ds1339>,"wakeup-source?",

				<&ds3231>,"wakeup-source?",

				<&mcp7940x>,"wakeup-source?",

				<&mcp7941x>,"wakeup-source?";

				<&mcp7941x>,"wakeup-source?",

				<&m41t62>,"wakeup-source?";

	};

};