* [PATCH] bus: imx-weim: Place 'fsl,weim-cs-timing' under the required properties section
@ 2016-12-30 10:46 Fabio Estevam
[not found] ` <1483094772-14904-1-git-send-email-festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Fabio Estevam @ 2016-12-30 10:46 UTC (permalink / raw)
To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A
Cc: shawnguo-DgEjT+Ai2ygdnm+yROfE0A,
devicetree-u79uwXL29TY76Z2rM5mHXA, Fabio Estevam
From: Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>
Property 'fsl,weim-cs-timing' is a required one, so place it under
"Required properties" section.
Signed-off-by: Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>
---
Documentation/devicetree/bindings/bus/imx-weim.txt | 27 ++++++++++------------
1 file changed, 12 insertions(+), 15 deletions(-)
diff --git a/Documentation/devicetree/bindings/bus/imx-weim.txt b/Documentation/devicetree/bindings/bus/imx-weim.txt
index 6630d84..a9a125b 100644
--- a/Documentation/devicetree/bindings/bus/imx-weim.txt
+++ b/Documentation/devicetree/bindings/bus/imx-weim.txt
@@ -23,6 +23,18 @@ Required properties:
integer values for each chip-select line in use:
<cs-number> 0 <physical address of mapping> <size>
+ - fsl,weim-cs-timing: The timing array, contains timing values for the
+ child node. We can get the CS index from the child
+ node's "reg" property. The number of registers depends
+ on the selected chip.
+ For i.MX1, i.MX21 ("fsl,imx1-weim") there are two
+ registers: CSxU, CSxL.
+ For i.MX25, i.MX27, i.MX31 and i.MX35 ("fsl,imx27-weim")
+ there are three registers: CSCRxU, CSCRxL, CSCRxA.
+ For i.MX50, i.MX53 ("fsl,imx50-weim"),
+ i.MX51 ("fsl,imx51-weim") and i.MX6Q ("fsl,imx6q-weim")
+ there are six registers: CSxGCR1, CSxGCR2, CSxRCR1,
+ CSxRCR2, CSxWCR1, CSxWCR2.
Optional properties:
@@ -44,21 +56,6 @@ Optional properties:
what bootloader sets up in IOMUXC_GPR1[11:0] will be
used.
-Timing property for child nodes. It is mandatory, not optional.
-
- - fsl,weim-cs-timing: The timing array, contains timing values for the
- child node. We can get the CS index from the child
- node's "reg" property. The number of registers depends
- on the selected chip.
- For i.MX1, i.MX21 ("fsl,imx1-weim") there are two
- registers: CSxU, CSxL.
- For i.MX25, i.MX27, i.MX31 and i.MX35 ("fsl,imx27-weim")
- there are three registers: CSCRxU, CSCRxL, CSCRxA.
- For i.MX50, i.MX53 ("fsl,imx50-weim"),
- i.MX51 ("fsl,imx51-weim") and i.MX6Q ("fsl,imx6q-weim")
- there are six registers: CSxGCR1, CSxGCR2, CSxRCR1,
- CSxRCR2, CSxWCR1, CSxWCR2.
-
Example for an imx6q-sabreauto board, the NOR flash connected to the WEIM:
weim: weim@021b8000 {
--
2.7.4
--
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] bus: imx-weim: Place 'fsl,weim-cs-timing' under the required properties section
[not found] ` <1483094772-14904-1-git-send-email-festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
@ 2017-01-03 3:10 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2017-01-03 3:10 UTC (permalink / raw)
To: Fabio Estevam
Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A, devicetree-u79uwXL29TY76Z2rM5mHXA,
Fabio Estevam
On Fri, Dec 30, 2016 at 08:46:12AM -0200, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>
>
> Property 'fsl,weim-cs-timing' is a required one, so place it under
> "Required properties" section.
NAK. Both "Required properties" and "Optional properties" are talking
about parent node, while 'fsl,weim-cs-timing' is a property of child
node.
>
> Signed-off-by: Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>
> ---
> Documentation/devicetree/bindings/bus/imx-weim.txt | 27 ++++++++++------------
> 1 file changed, 12 insertions(+), 15 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/bus/imx-weim.txt b/Documentation/devicetree/bindings/bus/imx-weim.txt
> index 6630d84..a9a125b 100644
> --- a/Documentation/devicetree/bindings/bus/imx-weim.txt
> +++ b/Documentation/devicetree/bindings/bus/imx-weim.txt
> @@ -23,6 +23,18 @@ Required properties:
> integer values for each chip-select line in use:
>
> <cs-number> 0 <physical address of mapping> <size>
> + - fsl,weim-cs-timing: The timing array, contains timing values for the
> + child node. We can get the CS index from the child
> + node's "reg" property. The number of registers depends
> + on the selected chip.
> + For i.MX1, i.MX21 ("fsl,imx1-weim") there are two
> + registers: CSxU, CSxL.
> + For i.MX25, i.MX27, i.MX31 and i.MX35 ("fsl,imx27-weim")
> + there are three registers: CSCRxU, CSCRxL, CSCRxA.
> + For i.MX50, i.MX53 ("fsl,imx50-weim"),
> + i.MX51 ("fsl,imx51-weim") and i.MX6Q ("fsl,imx6q-weim")
> + there are six registers: CSxGCR1, CSxGCR2, CSxRCR1,
> + CSxRCR2, CSxWCR1, CSxWCR2.
>
> Optional properties:
>
> @@ -44,21 +56,6 @@ Optional properties:
> what bootloader sets up in IOMUXC_GPR1[11:0] will be
> used.
>
> -Timing property for child nodes. It is mandatory, not optional.
This line already told everything we need to know.
Shawn
> -
> - - fsl,weim-cs-timing: The timing array, contains timing values for the
> - child node. We can get the CS index from the child
> - node's "reg" property. The number of registers depends
> - on the selected chip.
> - For i.MX1, i.MX21 ("fsl,imx1-weim") there are two
> - registers: CSxU, CSxL.
> - For i.MX25, i.MX27, i.MX31 and i.MX35 ("fsl,imx27-weim")
> - there are three registers: CSCRxU, CSCRxL, CSCRxA.
> - For i.MX50, i.MX53 ("fsl,imx50-weim"),
> - i.MX51 ("fsl,imx51-weim") and i.MX6Q ("fsl,imx6q-weim")
> - there are six registers: CSxGCR1, CSxGCR2, CSxRCR1,
> - CSxRCR2, CSxWCR1, CSxWCR2.
> -
> Example for an imx6q-sabreauto board, the NOR flash connected to the WEIM:
>
> weim: weim@021b8000 {
> --
> 2.7.4
>
--
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2016-12-30 10:46 [PATCH] bus: imx-weim: Place 'fsl,weim-cs-timing' under the required properties section Fabio Estevam
[not found] ` <1483094772-14904-1-git-send-email-festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-01-03 3:10 ` Shawn Guo
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