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spi: mediatek: Update document devicetree bindings to support multiple devices

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This patch updates document devicetree bindings
to support multiple devices.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Leilk Liu 2015-10-26 16:09:41 +08:00 • committed by Mark Brown
parent 32b88194f7
commit eca3a1ee8d
1 changed files with 6 additions and 3 deletions
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9
Documentation/devicetree/bindings/spi/spi-mt65xx.txt
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@ -29,8 +29,11 @@ Required properties:
muxes clock, and "spi-clk" for the clock gate. muxes clock, and "spi-clk" for the clock gate.
Optional properties: Optional properties:
-cs-gpios: see spi-bus.txt, only required for MT8173.
- mediatek,pad-select: specify which pins group(ck/mi/mo/cs) spi - mediatek,pad-select: specify which pins group(ck/mi/mo/cs) spi
controller used, this value should be 0~3, only required for MT8173. controller used. This is a array, the element value should be 0~3,
only required for MT8173.
0: specify GPIO69,70,71,72 for spi pins. 0: specify GPIO69,70,71,72 for spi pins.
1: specify GPIO102,103,104,105 for spi pins. 1: specify GPIO102,103,104,105 for spi pins.
2: specify GPIO128,129,130,131 for spi pins. 2: specify GPIO128,129,130,131 for spi pins.
@ -49,7 +52,7 @@ spi: spi@1100a000 {
<&topckgen CLK_TOP_SPI_SEL>, <&topckgen CLK_TOP_SPI_SEL>,
<&pericfg CLK_PERI_SPI0>; <&pericfg CLK_PERI_SPI0>;
clock-names = "parent-clk", "sel-clk", "spi-clk"; clock-names = "parent-clk", "sel-clk", "spi-clk";
cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>;
mediatek,pad-select = <0>; mediatek,pad-select = <1>, <0>;
status = "disabled"; status = "disabled";
}; };