Since the PWMSS and its subdevices (eCAP and ePWM) use the same address space then the range property should be empty. Update the documentation to show the correct usage.
Signed-off-by: Franklin S Cooper Jr <[email protected]> --- Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt index f7eae77..672fa71 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt @@ -7,11 +7,9 @@ Required properties: Should set to 1. - size-cells: specify number of u32 entries needed to specify child nodes size in reg property. Should set to 1. -- ranges: describes the address mapping of a memory-mapped bus. Should set to - physical address map of child's base address, physical address within - parent's address space and length of the address map. For am33xx, - 3 set of child register maps present, ECAP register space, EQEP - register space, EHRPWM register space. +- ranges: describes the address mapping of a memory-mapped bus. Its value + should be empty since no address translation is needed between the + parent and the child. Also child nodes should also populated under PWMSS DT node. @@ -23,9 +21,7 @@ pwmss0: pwmss@48300000 { #address-cells = <1>; #size-cells = <1>; status = "disabled"; - ranges = <0x48300100 0x48300100 0x80 /* ECAP */ - 0x48300180 0x48300180 0x80 /* EQEP */ - 0x48300200 0x48300200 0x80>; /* EHRPWM */ + ranges; /* child nodes go here */ }; -- 2.7.0
