From: <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> To: broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, jkosina-AlSwsSmVLrQ@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, dinguyen-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org Cc: linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org, tthayer.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org, baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org, andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org 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 [thread overview] Message-ID: <1425501075-17081-2-git-send-email-tthayer@opensource.altera.com> (raw) In-Reply-To: <1425501075-17081-1-git-send-email-tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> From: Thor Thayer <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> 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 <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> To: <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, <grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, <jkosina-AlSwsSmVLrQ@public.gmane.org>, <pawel.moll-5wv7dgnIgG8@public.gmane.org>, <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, <mark.rutland-5wv7dgnIgG8@public.gmane.org>, <ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>, <dinguyen-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> Cc: <linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, <linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org>, <tthayer.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>, <baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>, <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 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 [thread overview] Message-ID: <1425501075-17081-2-git-send-email-tthayer@opensource.altera.com> (raw) In-Reply-To: <1425501075-17081-1-git-send-email-tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> From: Thor Thayer <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> 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 <tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> --- 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
next prev parent reply other threads:[~2015-03-04 20:31 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-04 20:31 [RFC/PATCH 0/2] spi: spi-dw: Select 16b or 32b register access tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx 2015-03-04 20:31 ` tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx [not found] ` <1425501075-17081-1-git-send-email-tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> 2015-03-04 20:31 ` tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx [this message] 2015-03-04 20:31 ` [RFC/PATCH 1/2] dt-binding: spi: spi-dw: Select 16b or 32b access for Designware SPI tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx 2015-03-04 20:44 ` [RFC/PATCH 0/2] spi: spi-dw: Select 16b or 32b register access Andy Shevchenko 2015-03-04 22:01 ` Thor Thayer 2015-03-04 22:01 ` Thor Thayer [not found] ` <54F7809E.2010307-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org> 2015-03-05 10:43 ` Andy Shevchenko [not found] ` <1425552233.14897.189.camel-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> 2015-03-05 20:41 ` Thor Thayer 2015-03-05 20:41 ` Thor Thayer 2015-03-05 21:54 ` Andy Shevchenko 2015-03-06 23:06 ` Thor Thayer 2015-03-06 23:06 ` Thor Thayer 2015-03-04 20:31 ` [RFC/PATCH 2/2] spi: dw-spi: Pointers select 16b vs. 32b DesignWare access tthayer 2015-03-04 20:31 ` tthayer 2015-03-04 20:55 ` Andy Shevchenko [not found] ` <1425502525.14897.185.camel-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> 2015-03-04 22:07 ` Thor Thayer 2015-03-04 22:07 ` Thor Thayer 2015-03-04 21:02 ` [RFC/PATCH 0/2] spi: spi-dw: Select 16b or 32b register access Andy Shevchenko
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