Re: [PATCH v12 08/11] spi: omap2-mcspi: add generic DMA request support to the DT binding
Hi Benoit,
On Friday 21 June 2013 02:36 AM, Joel A Fernandes wrote:
From: Matt Portermpor...@ti.com
The binding definition is based on the generic DMA request binding
Signed-off-by: Matt Portermpor...@ti.com
Signed-off-by: Joel A Fernandesjoelag...@ti.com
---
Documentation/devicetree/bindings/spi/omap-spi.txt | 27 +++-
1 file changed, 26 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/spi/omap-spi.txt
b/Documentation/devicetree/bindings/spi/omap-spi.txt
index 938809c..4c85c4c 100644
--- a/Documentation/devicetree/bindings/spi/omap-spi.txt
+++ b/Documentation/devicetree/bindings/spi/omap-spi.txt
@@ -10,7 +10,18 @@ Required properties:
input. The default is D0 as input and
D1 as output.
-Example:
+Optional properties:
+- dmas: List of DMA specifiers with the controller specific format
+ as described in the generic DMA client binding. A tx and rx
+ specifier is required for each chip select.
+- dma-names: List of DMA request names. These strings correspond
+ 1:1 with the DMA specifiers listed in dmas. The string naming
+ is to be rxN and txN for RX and TX requests,
+ respectively, where N equals the chip select number.
+
+Examples:
+
+[hwmod populated DMA resources]
mcspi1: mcspi@1 {
#address-cells =1;
@@ -20,3 +31,17 @@ mcspi1: mcspi@1 {
ti,spi-num-cs =4;
};
+[generic DMA request binding]
+
+mcspi1: mcspi@1 {
+#address-cells =1;
+#size-cells =0;
+compatible = ti,omap4-mcspi;
+ti,hwmods = mcspi1;
+ti,spi-num-cs =2;
+dmas =edma 42
+ edma 43
+ edma 44
+ edma 45;
+dma-names = tx0, rx0, tx1, rx1;
+};
If the patch looks good to you, these can go independently in your
tree.
Reviewed-by: Sourav Poddar sourav.pod...@ti.com
~Sourav
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[PATCH v12 08/11] spi: omap2-mcspi: add generic DMA request support to the DT binding
From: Matt Porter mpor...@ti.com
The binding definition is based on the generic DMA request binding
Signed-off-by: Matt Porter mpor...@ti.com
Signed-off-by: Joel A Fernandes joelag...@ti.com
---
Documentation/devicetree/bindings/spi/omap-spi.txt | 27 +++-
1 file changed, 26 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/spi/omap-spi.txt
b/Documentation/devicetree/bindings/spi/omap-spi.txt
index 938809c..4c85c4c 100644
--- a/Documentation/devicetree/bindings/spi/omap-spi.txt
+++ b/Documentation/devicetree/bindings/spi/omap-spi.txt
@@ -10,7 +10,18 @@ Required properties:
input. The default is D0 as input and
D1 as output.
-Example:
+Optional properties:
+- dmas: List of DMA specifiers with the controller specific format
+ as described in the generic DMA client binding. A tx and rx
+ specifier is required for each chip select.
+- dma-names: List of DMA request names. These strings correspond
+ 1:1 with the DMA specifiers listed in dmas. The string naming
+ is to be rxN and txN for RX and TX requests,
+ respectively, where N equals the chip select number.
+
+Examples:
+
+[hwmod populated DMA resources]
mcspi1: mcspi@1 {
#address-cells = 1;
@@ -20,3 +31,17 @@ mcspi1: mcspi@1 {
ti,spi-num-cs = 4;
};
+[generic DMA request binding]
+
+mcspi1: mcspi@1 {
+#address-cells = 1;
+#size-cells = 0;
+compatible = ti,omap4-mcspi;
+ti,hwmods = mcspi1;
+ti,spi-num-cs = 2;
+dmas = edma 42
+ edma 43
+ edma 44
+ edma 45;
+dma-names = tx0, rx0, tx1, rx1;
+};
--
1.7.9.5
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