From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [RFC/PATCH 1/2] dt-binding: spi: spi-dw: Select 16b or 32b access for Designware SPI Date: Wed, 4 Mar 2015 14:31:14 -0600 Message-ID: <1425501075-17081-2-git-send-email-tthayer@opensource.altera.com> References: <1425501075-17081-1-git-send-email-tthayer@opensource.altera.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , , , , , , To: , , , , , , , Return-path: In-Reply-To: <1425501075-17081-1-git-send-email-tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: From: Thor Thayer Altera's Arria10 architecture requires a 32bit accesses for peripherals. The current spi-dw driver uses 16bit accesses in some locations. This patch updated the bindings with an optional field the devicetree can use to select 32bit accesses. Signed-off-by: Thor Thayer --- Documentation/devicetree/bindings/spi/spi-dw.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/spi/spi-dw.txt b/Documentation/devicetree/bindings/spi/spi-dw.txt index 7b63ed6..034dbdd 100644 --- a/Documentation/devicetree/bindings/spi/spi-dw.txt +++ b/Documentation/devicetree/bindings/spi/spi-dw.txt @@ -11,6 +11,7 @@ Required properties: Optional properties: - cs-gpios: see spi-bus.txt +- 32bit_access : use 32 bit register accesses Example: -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html