Add DT binding documentation for Sierra PHY IP used in TI's J721E
SoC.
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
.../devicetree/bindings/phy/phy-cadence-sierra.txt | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/phy/phy-cadence-sierra.txt b/Documentation/devicetree/bindings/phy/phy-cadence-sierra.txt
index 6e1b47bfce43..bf90ef7e005e 100644
--- a/Documentation/devicetree/bindings/phy/phy-cadence-sierra.txt
+++ b/Documentation/devicetree/bindings/phy/phy-cadence-sierra.txt
@@ -2,21 +2,24 @@ Cadence Sierra PHY
-----------------------
Required properties:
-- compatible: cdns,sierra-phy-t0
-- clocks: Must contain an entry in clock-names.
- See ../clocks/clock-bindings.txt for details.
-- clock-names: Must be "phy_clk"
+- compatible: Must be "cdns,sierra-phy-t0" for Sierra in Cadence platform
+ Must be "ti,sierra-phy-t0" for Sierra in TI's J721E SoC.
- resets: Must contain an entry for each in reset-names.
See ../reset/reset.txt for details.
- reset-names: Must include "sierra_reset" and "sierra_apb".
"sierra_reset" must control the reset line to the PHY.
"sierra_apb" must control the reset line to the APB PHY
- interface.
+ interface ("sierra_apb" is optional).
- reg: register range for the PHY.
- #address-cells: Must be 1
- #size-cells: Must be 0
Optional properties:
+- clocks: Must contain an entry in clock-names.
+ See ../clocks/clock-bindings.txt for details.
+- clock-names: Must be "phy_clk". Must contain "cmn_refclk" and
+ "cmn_refclk1" for configuring the frequency of the
+ clock to the lanes.
- cdns,autoconf: A boolean property whose presence indicates that the
PHY registers will be configured by hardware. If not
present, all sub-node optional properties must be
--
2.17.1
