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Message-Id: <1497411483-23377-2-git-send-email-jeffy.chen@rock-chips.com>
Date: Wed, 14 Jun 2017 11:38:02 +0800
From: Jeffy Chen <jeffy.chen@...k-chips.com>
To: linux-kernel@...r.kernel.org, broonie@...nel.org
Cc: briannorris@...omium.org, dianders@...omium.org, heiko@...ech.de,
Jeffy Chen <jeffy.chen@...k-chips.com>,
devicetree@...r.kernel.org, linux-spi@...r.kernel.org,
linux-rockchip@...ts.infradead.org,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 2/3] dt-bindings: spi/rockchip: add "cs-gpios" optional property
Update document devicetree bindings to support "cs-gpios" property.
Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com>
---
Changes in v3: None
Changes in v2: None
Documentation/devicetree/bindings/spi/spi-rockchip.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.txt b/Documentation/devicetree/bindings/spi/spi-rockchip.txt
index 83da493..d0be2e6 100644
--- a/Documentation/devicetree/bindings/spi/spi-rockchip.txt
+++ b/Documentation/devicetree/bindings/spi/spi-rockchip.txt
@@ -25,6 +25,7 @@ Required Properties:
Optional Properties:
+- cs-gpios : Specifies the gpio pins to be used for chipselects.
- dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
Documentation/devicetree/bindings/dma/dma.txt
- dma-names: DMA request names should include "tx" and "rx" if present.
@@ -48,6 +49,7 @@ Example:
#address-cells = <1>;
#size-cells = <0>;
interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+ cs-gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>;
clock-names = "spiclk", "apb_pclk";
pinctrl-0 = <&spi1_pins>;
--
2.1.4
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