These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / i2c / i2c-at91.txt

diff --git a/kernel/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/kernel/Documentation/devicetree/bindings/i2c/i2c-at91.txt
index 388f0a2..6e81dc1 100644 (file)
--- a/kernel/Documentation/devicetree/bindings/i2c/i2c-at91.txt
+++ b/kernel/Documentation/devicetree/bindings/i2c/i2c-at91.txt
@@ -2,8 +2,8 @@ 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"
+     "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c",
+     "atmel,at91sam9x5-i2c" or "atmel,sama5d2-i2c"
 - reg: physical base address of the controller and length of memory mapped
      region.
 - interrupts: interrupt number to the cpu.
@@ -13,6 +13,10 @@ Required properties :
 
 Optional properties:
 - clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000
+- dmas: A list of two dma specifiers, one for each entry in dma-names.
+- dma-names: should contain "tx" and "rx".
+- atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO
+  capable I2C controllers.
 - Child nodes conforming to i2c bus binding
 
 Examples :
@@ -32,3 +36,25 @@ i2c0: i2c@fff84000 {
                pagesize = <128>;
        }
 }
+
+i2c0: i2c@f8034600 {
+       compatible = "atmel,sama5d2-i2c";
+       reg = <0xf8034600 0x100>;
+       interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>;
+       dmas = <&dma0
+               (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
+               AT91_XDMAC_DT_PERID(11)>,
+              <&dma0
+               (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
+               AT91_XDMAC_DT_PERID(12)>;
+       dma-names = "tx", "rx";
+       #address-cells = <1>;
+       #size-cells = <0>;
+       clocks = <&flx0>;
+       atmel,fifo-size = <16>;
+
+       wm8731: wm8731@1a {
+               compatible = "wm8731";
+               reg = <0x1a>;
+       };
+};