@@ -1,34 +1,32 @@
SAMSUNG USB-PHY controllers
-** Samsung's usb 2.0 phy transceiver
+** Samsung's USB 2.0 phy transceiver
-The Samsung's usb 2.0 phy transceiver is used for controlling
-usb 2.0 phy for s3c-hsotg as well as ehci-s5p and ohci-exynos
-usb controllers across Samsung SOCs.
+The Samsung's USB 2.0 phy transceiver is used for controlling
+USB 2.0 phy for s3c-hsotg as well as ehci-s5p and ohci-exynos
+USB controllers across Samsung SOCs.
TODO: Adding the PHY binding with controller(s) according to the under
development generic PHY driver.
Required properties:
-Exynos4210:
-- compatible : should be "samsung,exynos4210-usb2phy"
-- reg : base physical address of the phy registers and length of memory mapped
- region.
-- clocks: Clock IDs array as required by the controller.
-- clock-names: names of clock correseponding IDs clock property as requested
- by the controller driver.
-
-Exynos5250:
-- compatible : should be "samsung,exynos5250-usb2phy"
+- compatible : value should be one among the following:
+ (a) "samsung,s3c64xx-usb2phy" for S3C64xx SoCs
+ (b) "samsung,exynos4210-usb2phy" for Exynos4210 SoC
+ (c) "samsung,exynos4x12-usb2phy" for Exynos4x12 SoCs
+ (d) "samsung,exynos5250-usb2phy" for Exynos5250 SoC
- reg : base physical address of the phy registers and length of memory mapped
region.
+- clocks : Clock IDs array as required by the controller.
+- clock-names : names of clocks listed in clocks property in the same order
+ as requested by the controller driver.
Optional properties:
-- #address-cells: should be '1' when usbphy node has a child node with 'reg'
+- #address-cellsi : should be '1' when usbphy node has a child node with 'reg'
property.
-- #size-cells: should be '1' when usbphy node has a child node with 'reg'
+- #size-cells : should be '1' when usbphy node has a child node with 'reg'
property.
-- ranges: allows valid translation between child's address space and parent's
+- ranges : allows valid translation between child's address space and parent's
address space.
- The child node 'usbphy-sys' to the node 'usbphy' is for the system controller
@@ -63,10 +61,10 @@ Example:
};
-** Samsung's usb 3.0 phy transceiver
+** Samsung's USB 3.0 phy transceiver
-Starting exynso5250, Samsung's SoC have usb 3.0 phy transceiver
-which is used for controlling usb 3.0 phy for dwc3-exynos usb 3.0
+Starting Exynos5250, Samsung's SoC have USB 3.0 phy transceiver
+which is used for controlling USB 3.0 phy for dwc3-exynos USB 3.0
controllers across Samsung SOCs.
Required properties:
@@ -75,16 +73,16 @@ Exynos5250:
- compatible : should be "samsung,exynos5250-usb3phy"
- reg : base physical address of the phy registers and length of memory mapped
region.
-- clocks: Clock IDs array as required by the controller.
-- clock-names: names of clocks correseponding to IDs in the clock property
+- clocks : Clock IDs array as required by the controller.
+- clock-names : names of clocks correseponding to IDs in the clock property
as requested by the controller driver.
Optional properties:
-- #address-cells: should be '1' when usbphy node has a child node with 'reg'
+- #address-cells : should be '1' when usbphy node has a child node with 'reg'
property.
-- #size-cells: should be '1' when usbphy node has a child node with 'reg'
+- #size-cells : should be '1' when usbphy node has a child node with 'reg'
property.
-- ranges: allows valid translation between child's address space and parent's
+- ranges : allows valid translation between child's address space and parent's
address space.
- The child node 'usbphy-sys' to the node 'usbphy' is for the system controller
Updated the documentation as per the latest driver implementation. While at it also fixed some trivial typos. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> --- .../devicetree/bindings/usb/samsung-usbphy.txt | 48 ++++++++++---------- 1 file changed, 23 insertions(+), 25 deletions(-)