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spi/rockchip: add pinctrl state high_speed

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Change-Id: I2c81fabab31cf5cc07590f38ae517eccd5fa93f2
Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
This commit is contained in:
Huibin Hong
2018-03-01 18:51:46 +08:00
committed by Tao Huang
parent 7e4349ec9d
commit d312ed3e2b
1 changed files with 4 additions and 1 deletions
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5
Documentation/devicetree/bindings/spi/spi-rockchip.txt
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@@ -32,7 +32,7 @@ Optional Properties:
- rx-sample-delay-ns: nanoseconds to delay after the SCLK edge before sampling
Rx data (may need to be fine tuned for high capacitance lines).
No delay (0) by default.
- pinctrl-names: high_speed for speed is higher than 24MHz
Example:
@@ -47,4 +47,7 @@ Example:
interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>;
clock-names = "spiclk", "apb_pclk";
pinctrl-names = "default", "high_speed";
pinctrl-0 = <&spi0_clk &spi0_csn0 &spi0_csn1 &spi0_miso &spi0_mosi>;
pinctrl-1 = <&spi0_clk_hs &spi0_csn0 &spi0_csn1 &spi0_miso_hs &spi0_mosi_hs>;
};