From 5c3d8a46ac9778d117ca26f4fec18d7b8c8831ed Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Mon, 30 Jul 2012 07:21:12 +0000 Subject: i2c: davinci: add OF support add of support for the davinci i2c driver. Signed-off-by: Heiko Schocher Signed-off-by: Sekhar Nori [wsa: fix indentation in the binding description] Signed-off-by: Wolfram Sang --- Documentation/devicetree/bindings/i2c/davinci.txt | 28 +++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/davinci.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/i2c/davinci.txt b/Documentation/devicetree/bindings/i2c/davinci.txt new file mode 100644 index 000000000000..2dc935b4113d --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/davinci.txt @@ -0,0 +1,28 @@ +* Texas Instruments Davinci I2C + +This file provides information, what the device node for the +davinci i2c interface contain. + +Required properties: +- compatible: "ti,davinci-i2c"; +- reg : Offset and length of the register set for the device + +Recommended properties : +- interrupts : standard interrupt property. +- clock-frequency : desired I2C bus clock frequency in Hz. + +Example (enbw_cmc board): + i2c@1c22000 { + compatible = "ti,davinci-i2c"; + reg = <0x22000 0x1000>; + clock-frequency = <100000>; + interrupts = <15>; + interrupt-parent = <&intc>; + #address-cells = <1>; + #size-cells = <0>; + + dtt@48 { + compatible = "national,lm75"; + reg = <0x48>; + }; + }; -- cgit v1.2.3 From 70d46a241ed3bb0d1bb2bc15720b6f7c215c37f5 Mon Sep 17 00:00:00 2001 From: Ludovic Desroches Date: Wed, 12 Sep 2012 08:42:14 +0200 Subject: i2c: at91: add dt support to i2c-at91 Signed-off-by: Ludovic Desroches Acked-by: Nikolaus Voss Acked-by: Nicolas Ferre Signed-off-by: Wolfram Sang --- .../devicetree/bindings/i2c/atmel-i2c.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/atmel-i2c.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/i2c/atmel-i2c.txt b/Documentation/devicetree/bindings/i2c/atmel-i2c.txt new file mode 100644 index 000000000000..b689a0d9441c --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/atmel-i2c.txt @@ -0,0 +1,30 @@ +I2C for Atmel platforms + +Required properties : +- compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c", + "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c" + or "atmel,at91sam9x5-i2c" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: interrupt number to the cpu. +- #address-cells = <1>; +- #size-cells = <0>; + +Optional properties: +- Child nodes conforming to i2c bus binding + +Examples : + +i2c0: i2c@fff84000 { + compatible = "atmel,at91sam9g20-i2c"; + reg = <0xfff84000 0x100>; + interrupts = <12 4 6>; + #address-cells = <1>; + #size-cells = <0>; + + 24c512@50 { + compatible = "24c512"; + reg = <0x50>; + pagesize = <128>; + } +} -- cgit v1.2.3 From 43fea5813c56e4327371fd3c2209791ef7822de2 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Mon, 6 Aug 2012 11:09:57 +0100 Subject: i2c: nomadik: Add Device Tree support to the Nomadik I2C driver Here we apply the bindings required for successful Device Tree probing of the i2c-nomadik driver. Signed-off-by: Lee Jones Acked-by: Linus Walleij Signed-off-by: Wolfram Sang --- Documentation/devicetree/bindings/i2c/nomadik.txt | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/nomadik.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/i2c/nomadik.txt b/Documentation/devicetree/bindings/i2c/nomadik.txt new file mode 100644 index 000000000000..72065b0ff680 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/nomadik.txt @@ -0,0 +1,23 @@ +I2C for Nomadik based systems + +Required (non-standard) properties: + - Nil + +Recommended (non-standard) properties: + - clock-frequency : Maximum bus clock frequency for the device + +Optional (non-standard) properties: + - Nil + +Example : + +i2c@80004000 { + compatible = "stericsson,db8500-i2c", "st,nomadik-i2c"; + reg = <0x80004000 0x1000>; + interrupts = <0 21 0x4>; + #address-cells = <1>; + #size-cells = <0>; + v-i2c-supply = <&db8500_vape_reg>; + + clock-frequency = <400000>; +}; -- cgit v1.2.3 From 62885f59a26195d9f6a3f8c795225dfbab62a110 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Fri, 24 Aug 2012 05:44:31 +0200 Subject: MXS: Implement DMA support into mxs-i2c This patch implements DMA support into mxs-i2c. DMA transfers are now enabled via DT. The DMA operation is enabled by default. Signed-off-by: Marek Vasut Tested-by: Fabio Estevam [wsa: rebased to 3.6-rc7] Signed-off-by: Wolfram Sang --- Documentation/devicetree/bindings/i2c/i2c-mxs.txt | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/i2c/i2c-mxs.txt b/Documentation/devicetree/bindings/i2c/i2c-mxs.txt index 30ac3a0557f7..7a3fe9e5f4cb 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mxs.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-mxs.txt @@ -6,6 +6,7 @@ Required properties: - interrupts: Should contain ERROR and DMA interrupts - clock-frequency: Desired I2C bus clock frequency in Hz. Only 100000Hz and 400000Hz modes are supported. +- fsl,i2c-dma-channel: APBX DMA channel for the I2C Examples: @@ -16,4 +17,5 @@ i2c0: i2c@80058000 { reg = <0x80058000 2000>; interrupts = <111 68>; clock-frequency = <100000>; + fsl,i2c-dma-channel = <6>; }; -- cgit v1.2.3