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OF support for tsc2007

DISCUSSION Gary Thomas 2 participants 3 messages May 1, 2009 2 messages not in the archive I2C subsystem host drivers

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Gary Thomas

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#0 lore raw

I'm trying to use the TSC2007 (actually TSC2003) on a PowerPC based platform. Sadly, the current driver (as of .30-rc4) does not seem to be OF aware.

Jon Smirl on the PPC list suggested I ask here.

Any help or ideas?

n.b. at the moment, I'm not subscribed to this list, so please CC me on any replies.

Thanks

Signature · 4 lines
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------
#2 lore raw
In reply to a message not in the archive
Quoted 5 lines · Gary Thomas

I'm trying to use the TSC2007 (actually TSC2003) on a PowerPC based platform.  Sadly, the current driver (as of .30-rc4) does not seem to be OF aware.

Jon Smirl on the PPC list suggested I ask here.

I thought you said it was an old-style driver that hadn't been converted to new style?

i2c drivers don't need to be OF aware. The code in drivers/of/of_i2c.c set things up for you. You need a driver tree entry like this:

		i2c@3d40 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "fsl,mpc5200b-i2c","fsl,mpc5200-i2c","fsl-i2c";
			cell-index = <1>;
			reg = <0x3d40 0x40>;
			interrupts = <0x2 0x10 0x0>;
			interrupt-parent = <&mpc5200_pic>;
			fsl5200-clocking;

			rtc@51 {
				device_type = "rtc";
				compatible = "epson,rtc8564";
				reg = <0x51>;
			};
			eeprom@52 {
				compatible = "atmel,24c32", "eeprom";
				reg = <0x52>;
			};
		};
Quoted 18 lines

Any help or ideas?

n.b. at the moment, I'm not subscribed to this list, so please CC me on any replies.

Thanks

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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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Signature · 2 lines
Jon Smirl
[email protected]
author
#4 lore raw
In reply to a message not in the archive
Quoted 26 lines · Jon Smirl
Quoted 5 lines · Gary Thomas

I'm trying to use the TSC2007 (actually TSC2003) on a PowerPC based platform. Sadly, the current driver (as of .30-rc4) does not seem to be OF aware.

Jon Smirl on the PPC list suggested I ask here.

I thought you said it was an old-style driver that hadn't been converted to new style?

i2c drivers don't need to be OF aware. The code in drivers/of/of_i2c.c set things up for you. You need a driver tree entry like this:

		i2c@3d40 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "fsl,mpc5200b-i2c","fsl,mpc5200-i2c","fsl-i2c";
			cell-index = <1>;
			reg = <0x3d40 0x40>;
			interrupts = <0x2 0x10 0x0>;
			interrupt-parent = <&mpc5200_pic>;
			fsl5200-clocking;

			rtc@51 {
				device_type = "rtc";
Quoted 16 lines
				compatible = "epson,rtc8564";
				reg = <0x51>;
			};
			eeprom@52 {
				compatible = "atmel,24c32", "eeprom";
				reg = <0x52>;
			};
		};
Quoted 4 lines

Any help or ideas?

n.b. at the moment, I'm not subscribed to this list, so please CC me on any replies.

My question remains; how do I provide the platform_data this driver wants on an OF based platform?

Signature · 4 lines
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------