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From: Jeffy Chen <jeffy.chen@rock-chips.com>
To: linux-kernel@vger.kernel.org, broonie@kernel.org
Cc: briannorris@chromium.org, dianders@chromium.org, heiko@sntech.de,
	Jeffy Chen <jeffy.chen@rock-chips.com>,
	devicetree@vger.kernel.org, linux-spi@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/4] dt-bindings: spi/rockchip: add "cs-gpios" optional property
Date: Tue, 13 Jun 2017 13:25:42 +0800	[thread overview]
Message-ID: <1497331543-8565-3-git-send-email-jeffy.chen@rock-chips.com> (raw)
In-Reply-To: <1497331543-8565-1-git-send-email-jeffy.chen@rock-chips.com>

Update document devicetree bindings to support "cs-gpios" property.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

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

  parent reply	other threads:[~2017-06-13  5:26 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-13  5:25 [PATCH v2 1/4] spi: rockchip: fix error handling when probe Jeffy Chen
2017-06-13  5:25 ` [PATCH v2 2/4] spi: rockchip: add support for "cs-gpios" dts property Jeffy Chen
2017-06-13 17:24   ` kbuild test robot
2017-06-13 17:33   ` Brian Norris
2017-06-14  1:27     ` jeffy
2017-06-13  5:25 ` Jeffy Chen [this message]
2017-06-13  5:25 ` [PATCH v2 4/4] arm64: dts: rockchip: use cs-gpios for cros_ec_spi Jeffy Chen
2017-06-13 17:50   ` Brian Norris
2017-06-13 18:22     ` Mark Brown
2017-06-20  0:47       ` Brian Norris
2017-06-22 22:47         ` Doug Anderson
2017-06-23  3:51           ` jeffy
2017-06-23  4:26             ` Doug Anderson
     [not found]               ` <594D0723.7010108@rock-chips.com>
     [not found]                 ` <CAD=FV=XjW4a9mqH0UtUAmHkj-aAO75bpSXuyy__jBB7YC8PBVg@mail.gmail.com>
2017-06-26  3:26                   ` jeffy
2017-06-26  3:27                   ` jeffy
2017-06-13 17:29 ` [PATCH v2 1/4] spi: rockchip: fix error handling when probe Brian Norris

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