On Thu Apr 8, 2021 at 4:13 PM EDT, Rob Herring wrote: > On Tue, Apr 06, 2021 at 08:53:30PM -0400, Liam Beguin wrote: > > From: Liam Beguin <lvb@xxxxxxxxxx> > > > > Document devicetree bindings for Texas Instruments' LMK04832. > > The LMK04208 is a high performance clock conditioner with superior clock > > jitter cleaning, generation, and distribution with JEDEC JESD204B > > support. > > > > Signed-off-by: Liam Beguin <lvb@xxxxxxxxxx> > > --- > > .../bindings/clock/ti,lmk04832.yaml | 209 ++++++++++++++++++ > > 1 file changed, 209 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/clock/ti,lmk04832.yaml > > > > diff --git a/Documentation/devicetree/bindings/clock/ti,lmk04832.yaml b/Documentation/devicetree/bindings/clock/ti,lmk04832.yaml > > new file mode 100644 > > index 000000000000..a9f8b9b720fc > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/clock/ti,lmk04832.yaml > > @@ -0,0 +1,209 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/clock/ti,lmk04832.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Clock bindings for the Texas Instruments LMK04832 > > + > > +maintainers: > > + - Liam Beguin <liambeguin@xxxxxxxxx> > > + > > +description: | > > + Devicetree binding for the LMK04832, a clock conditioner with JEDEC JESD204B > > + support. The LMK04832 is pin compatible with the LMK0482x family. > > + > > + Link to datasheet, https://www.ti.com/lit/ds/symlink/lmk04832.pdf > > + > > +properties: > > + compatible: > > + enum: > > + - ti,lmk04832 > > + > > + reg: > > + maxItems: 1 > > + > > + '#address-cells': > > + const: 1 > > + > > + '#size-cells': > > + const: 0 > > + > > + '#clock-cells': > > + const: 1 > > + > > + spi-max-frequency: > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + description: > > + Maximum SPI clocking speed of the device in Hz. > > Already has a type and description, just need: > > spi-max-frequency: true > > (Or a range of values if you know the maximum). > > > + > > + clocks: > > + items: > > + - description: PLL2 reference clock. > > + > > + clock-names: > > + items: > > + - const: oscin > > + > > + reset-gpios: > > + maxItems: 1 > > + > > + ti,spi-4wire-rdbk: > > + description: | > > + Select SPI 4wire readback pin configuration. > > + Available readback pins are, > > + CLKin_SEL0 0 > > + CLKin_SEL1 1 > > + RESET 2 > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + enum: [0, 1, 2] > > + default: 1 > > + > > + ti,vco-hz: > > + description: Optional to set VCO frequency of the PLL in Hertz. > > + > > + ti,sysref-ddly: > > + description: SYSREF digital delay value. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + minimum: 8 > > + maximum: 8191 > > + default: 8 > > + > > + ti,sysref-mux: > > + description: | > > + SYSREF Mux configuration. > > + Available options are, > > + Normal SYNC 0 > > + Re-clocked 1 > > + SYSREF Pulser 2 > > + SYSREF Continuous 3 > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + enum: [0, 1, 2, 3] > > + default: 3 > > + > > + ti,sync-mode: > > + description: SYNC pin configuration. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + enum: [0, 1, 2] > > + default: 1 > > + > > + ti,sysref-pulse-count: > > + description: > > + Number of SYSREF pulses to send when SYSREF is not in continuous mode. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + enum: [1, 2, 4, 8] > > + default: 4 > > + > > +patternProperties: > > + "@[0-9a-d]+$": > > + type: object > > + description: > > + Child nodes used to configure output clocks. > > + > > + properties: > > + reg: > > + description: > > + clock output identifier. > > + minimum: 0 > > + maximum: 13 > > + > > + ti,clkout-fmt: > > + description: > > + Clock output format. > > + Available options are, > > + Powerdown 0x00 > > + LVDS 0x01 > > + HSDS 6 mA 0x02 > > + HSDS 8 mA 0x03 > > + LVPECL 1600 mV 0x04 > > + LVPECL 2000 mV 0x05 > > + LCPECL 0x06 > > + CML 16 mA 0x07 > > + CML 24 mA 0x08 > > + CML 32 mA 0x09 > > + CMOS (Off/Inverted) 0x0a > > + CMOS (Normal/Off) 0x0b > > + CMOS (Inverted/Inverted) 0x0c > > + CMOS (Inverted/Normal) 0x0d > > + CMOS (Normal/Inverted) 0x0e > > + CMOS (Normal/Normal) 0x0f > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + minimum: 0 > > + maximum: 15 > > + > > + ti,clkout-sysref: > > + description: > > + Select SYSREF clock path for output clock. > > + type: boolean > > + > > + required: > > + - reg > > additionalProperties: false > Apologies for double posting. I just realized this is for the child node. Will fix. Thanks, Liam > > + > > +required: > > + - compatible > > + - reg > > + - '#clock-cells' > > + - clocks > > + - clock-names > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + clocks { > > + lmk04832_oscin: oscin { > > + compatible = "fixed-clock"; > > + > > + #clock-cells = <0>; > > + clock-frequency = <122880000>; > > + clock-output-names = "lmk04832-oscin"; > > + }; > > + }; > > + > > + spi0 { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + lmk04832: clock-controller@0 { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + reg = <0>; > > + > > + compatible = "ti,lmk04832"; > > + spi-max-frequency = <781250>; > > + > > + reset-gpios = <&gpio_lmk 0 0 0>; > > + > > + #clock-cells = <1>; > > + clocks = <&lmk04832_oscin>; > > + clock-names = "oscin"; > > + > > + ti,spi-4wire-rdbk = <0>; > > + ti,vco-hz = <2457600000>; > > + > > + assigned-clocks = > > + <&lmk04832 0>, <&lmk04832 1>, > > + <&lmk04832 2>, <&lmk04832 3>, > > + <&lmk04832 4>, > > + <&lmk04832 6>, <&lmk04832 7>, > > + <&lmk04832 10>, <&lmk04832 11>; > > + assigned-clock-rates = > > + <122880000>, <384000>, > > + <122880000>, <384000>, > > + <122880000>, > > + <153600000>, <384000>, > > + <614400000>, <384000>; > > + > > + clkout0@0 { > > + reg = <0>; > > + ti,clkout-fmt = <0x01>; // LVDS > > + }; > > + > > + clkout1@1 { > > + reg = <1>; > > + ti,clkout-fmt = <0x01>; // LVDS > > + ti,clkout-sysref; > > + }; > > + }; > > + }; > > -- > > 2.30.1.489.g328c10930387 > >
