[PATCH][trivial][respin] update MTD OF documentation

[PATCH][trivial][respin] update MTD OF documentation

[Vitaly Wool]

Hello folks,

the patch below updates the Documentation/powerpc part of the MTD OF implementation with the new field probe-type. Its support has already been implemented in MTD part (drivers/mtd/maps/physmap_of.c).

 Documentation/powerpc/booting-without-of.txt |   19 +++++++++++--------
 1 files changed, 11 insertions(+), 8 deletions(-)

Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index b3bd366..3399427 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1703,29 +1703,32 @@ platforms are moved over to use the flat
     Required properties:
 
      - device_type : has to be "rom"
-     - compatible : Should specify what this ROM device is compatible with
-       (i.e. "onenand"). Currently, this is most likely to be "direct-mapped"
-       (which corresponds to the MTD physmap mapping driver).
-     - regs : Offset and length of the register set (or memory mapping) for
+     - compatible : Should specify what this flash device is compatible with.
+       Currently, this is most likely to be "direct-mapped" (which
+       corresponds to the MTD physmap mapping driver).
+     - reg : Offset and length of the register set (or memory mapping) for
        the device.
+     - bank-width : Width of the flash data bus in bytes. Required
+       for the NOR flashes (compatible == "direct-mapped" and others) ONLY.
 
     Recommended properties :
 
-     - bank-width : Width of the flash data bus in bytes. Required
-       for the NOR flashes (compatible == "direct-mapped" and others) ONLY.
      - partitions : Several pairs of 32-bit values where the first value is
        partition's offset from the start of the device and the second one is
        partition size in bytes with LSB used to signify a read only
-       partititon (so, the parition size should always be an even number).
+       partition (so, the parition size should always be an even number).
      - partition-names : The list of concatenated zero terminated strings
        representing the partition names.
+     - probe-type : The type of probe which should be done for the chip
+       (JEDEC vs CFI actually). Valid ONLY for NOR flashes.
 
    Example:
 
  	flash@ff000000 {
  		device_type = "rom";
  		compatible = "direct-mapped";
- 		regs = <ff000000 01000000>;
+ 		probe-type = "CFI";
+ 		reg = <ff000000 01000000>;
  		bank-width = <4>;
  		partitions = <00000000 00f80000
  			      00f80000 00080001>;

Re: [PATCH][trivial][respin] update MTD OF documentation

[Sergei Shtylyov]

Hello.

Vitaly Wool wrote:

> the patch below updates the Documentation/powerpc part of the MTD OF implementation with the new field probe-type. Its support has already been implemented in MTD part (drivers/mtd/maps/physmap_of.c).

>  Documentation/powerpc/booting-without-of.txt |   19 +++++++++++--------
>  1 files changed, 11 insertions(+), 8 deletions(-)
> 
> Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>

> diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
> index b3bd366..3399427 100644
> --- a/Documentation/powerpc/booting-without-of.txt
> +++ b/Documentation/powerpc/booting-without-of.txt
> @@ -1703,29 +1703,32 @@ platforms are moved over to use the flat
>      Required properties:
>  
>       - device_type : has to be "rom"
> -     - compatible : Should specify what this ROM device is compatible with
> -       (i.e. "onenand"). Currently, this is most likely to be "direct-mapped"
> -       (which corresponds to the MTD physmap mapping driver).
> -     - regs : Offset and length of the register set (or memory mapping) for
> +     - compatible : Should specify what this flash device is compatible with.
> +       Currently, this is most likely to be "direct-mapped" (which
> +       corresponds to the MTD physmap mapping driver).
> +     - reg : Offset and length of the register set (or memory mapping) for
>         the device.
> +     - bank-width : Width of the flash data bus in bytes. Required
> +       for the NOR flashes (compatible == "direct-mapped" and others) ONLY.
>  
>      Recommended properties :
>  
> -     - bank-width : Width of the flash data bus in bytes. Required
> -       for the NOR flashes (compatible == "direct-mapped" and others) ONLY.
>       - partitions : Several pairs of 32-bit values where the first value is
>         partition's offset from the start of the device and the second one is
>         partition size in bytes with LSB used to signify a read only
> -       partititon (so, the parition size should always be an even number).
> +       partition (so, the parition size should always be an even number).
>       - partition-names : The list of concatenated zero terminated strings
>         representing the partition names.
> +     - probe-type : The type of probe which should be done for the chip
> +       (JEDEC vs CFI actually). Valid ONLY for NOR flashes.
>  
>     Example:
>  
>   	flash@ff000000 {
>   		device_type = "rom";
>   		compatible = "direct-mapped";
> - 		regs = <ff000000 01000000>;
> + 		probe-type = "CFI";
> + 		reg = <ff000000 01000000>;
>   		bank-width = <4>;
>   		partitions = <00000000 00f80000
>   			      00f80000 00080001>;

WBR, Sergei