diff mbox

[v2,3/5] mtd: gpmi: document current clock requirements

Message ID 20170422012338.4635-4-stefan@agner.ch
State Not Applicable, archived
Headers show

Commit Message

Stefan Agner April 22, 2017, 1:23 a.m. UTC 
The clock requirements are completely missing, add the clocks
currently required by the driver.

Signed-off-by: Stefan Agner <stefan@agner.ch>
---
 Documentation/devicetree/bindings/mtd/gpmi-nand.txt | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

Comments

Rob Herring (Arm) April 28, 2017, 5:13 p.m. UTC | #1 
On Fri, Apr 21, 2017 at 06:23:36PM -0700, Stefan Agner wrote:
> The clock requirements are completely missing, add the clocks
> currently required by the driver.
> 
> Signed-off-by: Stefan Agner <stefan@agner.ch>
> ---
>  Documentation/devicetree/bindings/mtd/gpmi-nand.txt | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)

Acked-by: Rob Herring <robh@kernel.org>
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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
index d02acaff3c35..b289ef3c1b7e 100644
--- a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
@@ -4,7 +4,12 @@  The GPMI nand controller provides an interface to control the
 NAND flash chips.
 
 Required properties:
-  - compatible : should be "fsl,<chip>-gpmi-nand"
+  - compatible : should be "fsl,<chip>-gpmi-nand", chip can be:
+    * imx23
+    * imx28
+    * imx6q
+    * imx6sx
+    * imx7d
   - reg : should contain registers location and length for gpmi and bch.
   - reg-names: Should contain the reg names "gpmi-nand" and "bch"
   - interrupts : BCH interrupt number.
@@ -13,6 +18,13 @@  Required properties:
     and GPMI DMA channel ID.
     Refer to dma.txt and fsl-mxs-dma.txt for details.
   - dma-names: Must be "rx-tx".
+  - clocks : clocks phandle and clock specifier corresponding to each clock
+    specified in clock-names.
+  - clock-names : The "gpmi_io" clock is always required. Which clocks are
+    exactly required depends on chip:
+    * imx23/imx28 : "gpmi_io"
+    * imx6q/sx : "gpmi_io", "gpmi_apb", "gpmi_bch", "gpmi_bch_apb", "per1_bch"
+    * imx7d : "gpmi_io", "gpmi_bch_apb"
 
 Optional properties:
   - nand-on-flash-bbt: boolean to enable on flash bbt option if not