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[1/5] Documentation: mmc: synopsys-dw-mshc: add power domain description

Message ID 1469765703-30999-2-git-send-email-shawn.lin@rock-chips.com
State New
Headers show

Commit Message

Shawn Lin July 29, 2016, 4:14 a.m. UTC
This patch adds power domain as a optional property for dw_mmc.
We should handle the power domain if available as it's in off
state dut to the policy of power-saving after booting up. Otherwise
dw_mmc can not be accessed.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>

---

 Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | 2 ++
 1 file changed, 2 insertions(+)

Comments

Rob Herring July 29, 2016, 9:43 p.m. UTC | #1
On Fri, Jul 29, 2016 at 12:14:59PM +0800, Shawn Lin wrote:
> This patch adds power domain as a optional property for dw_mmc.
> We should handle the power domain if available as it's in off
> state dut to the policy of power-saving after booting up. Otherwise
> dw_mmc can not be accessed.
> 
> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
> 
> ---
> 
>  Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | 2 ++
>  1 file changed, 2 insertions(+)

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

Patch

diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
index 8636f5a..f48febd 100644
--- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
@@ -81,6 +81,8 @@  Optional properties:
 * dma-names: request names for generic DMA client binding. Must be "rx-tx".
   Refer to dma.txt for details.
 
+* power-domains: Must contain a reference to the PM domain, if available.
+
 Aliases:
 
 - All the MSHC controller nodes should be represented in the aliases node using