Hi, On 19/02/20 8:28 am, Rob Herring wrote: > On Sat, Feb 15, 2020 at 07:47:23PM +0530, Vignesh Raghavendra wrote: >> Add dt bindings for TI syscon gate clock driver that is used to control >> EHRPWM's TimeBase clock (TBCLK) on TI's AM654 SoC. >> >> Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx> >> --- >> .../bindings/clock/ti,am654-ehrpwm-tbclk.yaml | 35 +++++++++++++++++++ >> 1 file changed, 35 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml >> >> diff --git a/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml b/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml >> new file mode 100644 >> index 000000000000..3bf954ecb803 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/clock/ti,am654-ehrpwm-tbclk.yaml >> @@ -0,0 +1,35 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/clock/ti,am654-ehrpwm-tbclk.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: TI syscon gate clock driver > > Bindings are for h/w blocks, not drivers. > Will drop driver from the title and commit msg >> + >> +maintainers: >> + - Vignesh Raghavendra <vigneshr@xxxxxx> >> + >> +properties: >> + compatible: >> + items: >> + - const: ti,am654-ehrpwm-tbclk >> + - const: syscon > > Why is this a syscon? Are there other functions or it's just the easy > way to get a regmap. > Register that has tbclk enable/disable bit also contains bits to control other functionalities and would need to be shared. Therefore its modeled as syscon. Regards Vignesh >> + >> + "#clock-cells": >> + const: 1 >> + >> + reg: >> + maxItems: 1 >> + >> +required: >> + - compatible >> + - "#clock-cells" >> + - reg >> + >> +examples: >> + - | >> + ehrpwm_tbclk: syscon@4140 { >> + compatible = "ti,am654-ehrpwm-tbclk", "syscon"; >> + reg = <0x4140 0x18>; >> + #clock-cells = <1>; >> + }; >> -- >> 2.25.0 >> -- Regards Vignesh