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| author |   Boris BREZILLON <b.brezillon@overkiz.com> | 2013-12-17 17:22:20 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-17 09:38:25 -0800 |
| commit | 8be3da65d9222e1e63b7f9d001e872947588946f (patch) | |
| tree | 635932d6be0af7d0ea8927fe8115f4843d4bbbf3 /Documentation/devicetree/bindings/serial | |
| parent | drivers: tty: Mark the function hvc_poll_init() as static in hvc_console.c (diff) | |
| download | linux-dev-8be3da65d9222e1e63b7f9d001e872947588946f.tar.xz linux-dev-8be3da65d9222e1e63b7f9d001e872947588946f.zip | |
tty/serial: at91: document clock properties
Document the clock properties required by the at91 usart driver.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/atmel-usart.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/atmel-usart.txt b/Documentation/devicetree/bindings/serial/atmel-usart.txt index 2191dcb9f1da..9c5d19ac935c 100644 --- a/Documentation/devicetree/bindings/serial/atmel-usart.txt +++ b/Documentation/devicetree/bindings/serial/atmel-usart.txt @@ -6,6 +6,9 @@ Required properties: additional mode or an USART new feature. - reg: Should contain registers location and length - interrupts: Should contain interrupt +- clock-names: tuple listing input clock names. + Required elements: "usart" +- clocks: phandles to input clocks. Optional properties: - atmel,use-dma-rx: use of PDC or DMA for receiving data @@ -26,6 +29,8 @@ Example: compatible = "atmel,at91sam9260-usart"; reg = <0xfff8c000 0x4000>; interrupts = <7>; + clocks = <&usart0_clk>; + clock-names = "usart"; atmel,use-dma-rx; atmel,use-dma-tx; }; @@ -35,6 +40,8 @@ Example: compatible = "atmel,at91sam9260-usart"; reg = <0xf001c000 0x100>; interrupts = <12 4 5>; + clocks = <&usart0_clk>; + clock-names = "usart"; atmel,use-dma-rx; atmel,use-dma-tx; dmas = <&dma0 2 0x3>, |