On Wed, Sep 14, 2022 at 04:22:53PM +0200, Christian Marangi wrote: > Convert kpss-acc driver Documentation to yaml. > The original Documentation was wrong all along. Fix it while we are > converting it. > The example was wrong as kpss-acc-v2 should only expose the regs but we > don't have any driver that expose additional clocks. The kpss-acc driver > is only specific to v1. For this exact reason, limit all the additional > bindings (clocks, clock-names, clock-output-names and #clock-cells) to > v1 and also flag that these bindings should NOT be used for v2. Odd that a clock controller has no clocks, but okay. > > Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx> > --- > .../bindings/arm/msm/qcom,kpss-acc.txt | 49 ---------- > .../bindings/arm/msm/qcom,kpss-acc.yaml | 93 +++++++++++++++++++ As this is a clock controller, please move to bindings/clock/ > 2 files changed, 93 insertions(+), 49 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt > create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.yaml > diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.yaml > new file mode 100644 > index 000000000000..5e16121d9f0d > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.yaml > @@ -0,0 +1,93 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/arm/msm/qcom,kpss-acc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Krait Processor Sub-system (KPSS) Application Clock Controller (ACC) > + > +maintainers: > + - Christian Marangi <ansuelsmth@xxxxxxxxx> > + > +description: | Don't need '|' if no formatting to preserve. > + The KPSS ACC provides clock, power domain, and reset control to a Krait CPU. > + There is one ACC register region per CPU within the KPSS remapped region as > + well as an alias register region that remaps accesses to the ACC associated > + with the CPU accessing the region. > + > +properties: > + compatible: > + enum: > + - qcom,kpss-acc-v1 > + - qcom,kpss-acc-v2 > + > + reg: > + items: > + - description: Base address and size of the register region > + - description: Optional base address and size of the alias register region > + > + clocks: > + items: > + - description: phandle to pll8_vote Always a phandle (and arg), so that's redundant. Really, if there's not more to add that what clock-names says, then just 'maxItems: 2' is fine. > + - description: phandle to pxo_board > + > + clock-names: > + items: > + - const: pll8_vote > + - const: pxo > + > + clock-output-names: > + description: Name of the aux clock. Krait can have at most 4 cpu. > + enum: > + - acpu0_aux > + - acpu1_aux > + - acpu2_aux > + - acpu3_aux > + > + '#clock-cells': > + const: 0 > + > +required: > + - compatible > + - reg > + > +if: > + properties: > + compatible: > + contains: > + const: qcom,kpss-acc-v1 > +then: > + required: > + - clocks > + - clock-names > + - clock-output-names > + - '#clock-cells' > +else: > + properties: > + clocks: false > + clock-names: false > + clock-output-names: false > + '#clock-cells': false > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/qcom,gcc-ipq806x.h> > + > + clock-controller@2088000 { > + compatible = "qcom,kpss-acc-v1"; > + reg = <0x02088000 0x1000>, <0x02008000 0x1000>; > + clocks = <&gcc PLL8_VOTE>, <&pxo_board>; > + clock-names = "pll8_vote", "pxo"; > + clock-output-names = "acpu0_aux"; > + #clock-cells = <0>; > + }; > + > + - | > + clock-controller@f9088000 { > + compatible = "qcom,kpss-acc-v2"; > + reg = <0xf9088000 0x1000>, > + <0xf9008000 0x1000>; > + }; > +... > -- > 2.37.2 > >
