From eca3a1ee8dd7ec5819bd77d598044eb6ecdf4495 Mon Sep 17 00:00:00 2001 From: Leilk Liu Date: Mon, 26 Oct 2015 16:09:41 +0800 Subject: spi: mediatek: Update document devicetree bindings to support multiple devices This patch updates document devicetree bindings to support multiple devices. Signed-off-by: Leilk Liu Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/spi/spi-mt65xx.txt | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'Documentation/devicetree/bindings/spi') diff --git a/Documentation/devicetree/bindings/spi/spi-mt65xx.txt b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt index 6160ffbcb3d3..ce363c923f44 100644 --- a/Documentation/devicetree/bindings/spi/spi-mt65xx.txt +++ b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt @@ -29,8 +29,11 @@ Required properties: muxes clock, and "spi-clk" for the clock gate. Optional properties: +-cs-gpios: see spi-bus.txt, only required for MT8173. + - 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. 1: specify GPIO102,103,104,105 for spi pins. 2: specify GPIO128,129,130,131 for spi pins. @@ -49,7 +52,7 @@ spi: spi@1100a000 { <&topckgen CLK_TOP_SPI_SEL>, <&pericfg CLK_PERI_SPI0>; clock-names = "parent-clk", "sel-clk", "spi-clk"; - - mediatek,pad-select = <0>; + cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>; + mediatek,pad-select = <1>, <0>; status = "disabled"; }; -- cgit v1.2.3