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			120 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From 91f34bdccdcf45bd7cbe7c0ee0b4f7666a8774a9 Mon Sep 17 00:00:00 2001
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| From: Phil Elwell <phil@raspberrypi.org>
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| Date: Mon, 9 Jul 2018 21:11:32 +0100
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| Subject: [PATCH 157/432] overlays: Add addr parameter to i2c-rtc (& -gpio)
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| 
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| See: https://github.com/raspberrypi/linux/issues/2611
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| 
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| Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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| ---
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|  arch/arm/boot/dts/overlays/README             | 10 +++++++
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|  .../dts/overlays/i2c-rtc-gpio-overlay.dts     | 28 +++++++++++++++++++
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|  .../arm/boot/dts/overlays/i2c-rtc-overlay.dts | 11 ++++++++
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|  3 files changed, 49 insertions(+)
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| 
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| diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
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| index 53f4a47caa5c..b32f030bd650 100644
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| --- a/arch/arm/boot/dts/overlays/README
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| +++ b/arch/arm/boot/dts/overlays/README
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| @@ -817,6 +817,10 @@ Params: abx80x                  Select one of the ABx80x family:
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|  
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|          pcf8563                 Select the PCF8563 device
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|  
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| +        addr                    Sets the address for the RTC. Note that the
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| +                                device must be configured to use the specified
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| +                                address.
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| +
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|          trickle-diode-type      Diode type for trickle charge - "standard" or
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|                                  "schottky" (ABx80x only)
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|  
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| @@ -841,6 +845,8 @@ Params: abx80x                  Select one of the ABx80x family:
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|  
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|          ds3231                  Select the DS3231 device
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|  
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| +        m41t62                  Select the M41T62 device
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| +
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|          mcp7940x                Select the MCP7940x device
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|  
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|          mcp7941x                Select the MCP7941x device
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| @@ -851,6 +857,10 @@ Params: abx80x                  Select one of the ABx80x family:
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|  
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|          pcf8563                 Select the PCF8563 device
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|  
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| +        addr                    Sets the address for the RTC. Note that the
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| +                                device must be configured to use the specified
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| +                                address.
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| +
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|          trickle-diode-type      Diode type for trickle charge - "standard" or
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|                                  "schottky" (ABx80x only)
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|  
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| diff --git a/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts b/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
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| index 8415e6081428..4fd47ffa8575 100644
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| --- a/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
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| +++ b/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
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| @@ -159,6 +159,21 @@
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|  		};
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|  	};
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|  
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| +	fragment@10 {
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| +		target = <&i2c_arm>;
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| +		__dormant__ {
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| +			#address-cells = <1>;
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| +			#size-cells = <0>;
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| +			status = "okay";
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| +
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| +			m41t62: m41t62@68 {
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| +				compatible = "st,m41t62";
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| +				reg = <0x68>;
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| +				status = "okay";
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| +			};
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| +		};
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| +	};
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| +
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|  	__overrides__ {
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|  		abx80x = <0>,"+1";
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|  		ds1307 = <0>,"+2";
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| @@ -169,6 +184,19 @@
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|  		pcf2127 = <0>,"+7";
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|  		pcf8523 = <0>,"+8";
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|  		pcf8563 = <0>,"+9";
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| +		m41t62 = <0>,"+10";
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| +
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| +		addr = <&abx80x>, "reg:0",
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| +		       <&ds1307>, "reg:0",
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| +		       <&ds1339>, "reg:0",
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| +		       <&ds3231>, "reg:0",
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| +		       <&mcp7940x>, "reg:0",
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| +		       <&mcp7941x>, "reg:0",
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| +		       <&pcf2127>, "reg:0",
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| +		       <&pcf8523>, "reg:0",
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| +		       <&pcf8563>, "reg:0",
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| +		       <&m41t62>, "reg:0";
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| +
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|  		trickle-diode-type = <&abx80x>,"abracon,tc-diode";
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|  		trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
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|  					<&abx80x>,"abracon,tc-resistor";
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| diff --git a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
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| index fcb846a50d19..7f11b7c64638 100644
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| --- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
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| +++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
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| @@ -169,6 +169,17 @@
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|  		pcf8523 = <0>,"+7";
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|  		pcf8563 = <0>,"+8";
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|  		m41t62 = <0>,"+9";
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| +
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| +		addr = <&abx80x>, "reg:0",
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| +		       <&ds1307>, "reg:0",
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| +		       <&ds1339>, "reg:0",
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| +		       <&ds3231>, "reg:0",
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| +		       <&mcp7940x>, "reg:0",
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| +		       <&mcp7941x>, "reg:0",
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| +		       <&pcf2127>, "reg:0",
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| +		       <&pcf8523>, "reg:0",
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| +		       <&pcf8563>, "reg:0",
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| +		       <&m41t62>, "reg:0";
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|  		trickle-diode-type = <&abx80x>,"abracon,tc-diode";
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|  		trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
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|  					<&abx80x>,"abracon,tc-resistor";
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| -- 
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| 2.19.1
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| 
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