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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-07-08 14:44:21 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-07-08 14:44:21 +0200 |
| commit | 87360e3dd42bb627a9f2611f961728c0789e1c21 (patch) | |
| tree | afefc88c862d9feafb0cdb075badeb8d32d8efd2 /dts/Bindings/spi/spi_atmel.txt | |
| parent | 80936d6aaeea1b10ce4eb81c54eece2f55f8e209 (diff) | |
| download | barebox-87360e3dd42bb627a9f2611f961728c0789e1c21.tar.gz barebox-87360e3dd42bb627a9f2611f961728c0789e1c21.tar.xz | |
dts: update to v4.2-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/spi/spi_atmel.txt')
| -rw-r--r-- | dts/Bindings/spi/spi_atmel.txt | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/dts/Bindings/spi/spi_atmel.txt b/dts/Bindings/spi/spi_atmel.txt index 4f8184d069..fb588b3e6a 100644 --- a/dts/Bindings/spi/spi_atmel.txt +++ b/dts/Bindings/spi/spi_atmel.txt @@ -4,11 +4,16 @@ Required properties: - compatible : should be "atmel,at91rm9200-spi". - reg: Address and length of the register set for the device - interrupts: Should contain spi interrupt -- cs-gpios: chipselects +- cs-gpios: chipselects (optional for SPI controller version >= 2 with the + Chip Select Active After Transfer feature). - clock-names: tuple listing input clock names. Required elements: "spi_clk" - clocks: phandles to input clocks. +Optional properties: +- atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO + capable SPI controllers. + Example: spi1: spi@fffcc000 { @@ -20,6 +25,7 @@ spi1: spi@fffcc000 { clocks = <&spi1_clk>; clock-names = "spi_clk"; cs-gpios = <&pioB 3 0>; + atmel,fifo-size = <32>; status = "okay"; mmc-slot@0 { |