On 15:40-20220530, Rahul T R wrote: > From: Vijay Pothukuchi <vijayp@xxxxxx> > > Add dts nodes for 6 EHRPWM instances on SoC > > Signed-off-by: Vijay Pothukuchi <vijayp@xxxxxx> > Signed-off-by: Rahul T R <r-ravikumar@xxxxxx> > --- > .../dts/ti/k3-j721e-common-proc-board.dts | 24 +++++++ > arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 62 ++++++++++++++++++- > arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 24 +++++++ > 3 files changed, 109 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts > index 2bc26a296496..f7d02fa4d6fc 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts > +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts > @@ -995,3 +995,27 @@ > &main_mcan13 { > status = "disabled"; > }; > + > +&main_ehrpwm0 { > + status = "disabled"; > +}; > + > +&main_ehrpwm1 { > + status = "disabled"; > +}; > + > +&main_ehrpwm2 { > + status = "disabled"; > +}; > + > +&main_ehrpwm3 { > + status = "disabled"; > +}; > + > +&main_ehrpwm4 { > + status = "disabled"; > +}; > + > +&main_ehrpwm5 { > + status = "disabled"; > +}; Do the pwm driver croak and die OR it is un-usable on proc-board or disabled due to not-primary function (ideally drivers should shut things off when unused)? > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi > index 43b6cf5791ee..1ee00b73905d 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi > @@ -66,7 +66,67 @@ > #mux-control-cells = <1>; > mux-reg-masks = <0x4000 0x8000000>, /* USB0 to SERDES0/3 mux */ > <0x4010 0x8000000>; /* USB1 to SERDES1/2 mux */ > - }; > + }; > + > + ehrpwm_tbclk: clock-controller@4140 { > + compatible = "ti,am654-ehrpwm-tbclk", "syscon"; > + reg = <0x4140 0x18>; > + #clock-cells = <1>; > + }; > + }; > + > + main_ehrpwm0: pwm@3000000 { > + compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm"; > + #pwm-cells = <3>; > + reg = <0x0 0x3000000 0x0 0x100>; would suggest 0x00 instead of 0x0 > + power-domains = <&k3_pds 83 TI_SCI_PD_EXCLUSIVE>; > + clocks = <&ehrpwm_tbclk 0>, <&k3_clks 83 0>; > + clock-names = "tbclk", "fck"; > + }; > + > + main_ehrpwm1: pwm@3010000 { > + compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm"; > + #pwm-cells = <3>; > + reg = <0x0 0x3010000 0x0 0x100>; > + power-domains = <&k3_pds 84 TI_SCI_PD_EXCLUSIVE>; > + clocks = <&ehrpwm_tbclk 1>, <&k3_clks 84 0>; > + clock-names = "tbclk", "fck"; > + }; > + > + main_ehrpwm2: pwm@3020000 { > + compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm"; > + #pwm-cells = <3>; > + reg = <0x0 0x3020000 0x0 0x100>; > + power-domains = <&k3_pds 85 TI_SCI_PD_EXCLUSIVE>; > + clocks = <&ehrpwm_tbclk 2>, <&k3_clks 85 0>; > + clock-names = "tbclk", "fck"; > + }; > + > + main_ehrpwm3: pwm@3030000 { > + compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm"; > + #pwm-cells = <3>; > + reg = <0x0 0x3030000 0x0 0x100>; > + power-domains = <&k3_pds 86 TI_SCI_PD_EXCLUSIVE>; > + clocks = <&ehrpwm_tbclk 3>, <&k3_clks 86 0>; > + clock-names = "tbclk", "fck"; > + }; > + > + main_ehrpwm4: pwm@3040000 { > + compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm"; > + #pwm-cells = <3>; > + reg = <0x0 0x3040000 0x0 0x100>; > + power-domains = <&k3_pds 87 TI_SCI_PD_EXCLUSIVE>; > + clocks = <&ehrpwm_tbclk 4>, <&k3_clks 87 0>; > + clock-names = "tbclk", "fck"; > + }; > + > + main_ehrpwm5: pwm@3050000 { > + compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm"; > + #pwm-cells = <3>; > + reg = <0x0 0x3050000 0x0 0x100>; > + power-domains = <&k3_pds 88 TI_SCI_PD_EXCLUSIVE>; > + clocks = <&ehrpwm_tbclk 5>, <&k3_clks 88 0>; > + clock-names = "tbclk", "fck"; > }; > > gic500: interrupt-controller@1800000 { > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts > index 80358cba6954..98a55778f3fe 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts > +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts > @@ -1129,3 +1129,27 @@ > memory-region = <&c71_0_dma_memory_region>, > <&c71_0_memory_region>; > }; > + > +&main_ehrpwm0 { > + status = "disabled"; > +}; > + > +&main_ehrpwm1 { > + status = "disabled"; > +}; > + > +&main_ehrpwm2 { > + status = "disabled"; > +}; > + > +&main_ehrpwm3 { > + status = "disabled"; > +}; > + > +&main_ehrpwm4 { > + status = "disabled"; > +}; > + > +&main_ehrpwm5 { > + status = "disabled"; > +}; > -- > 2.17.1 > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D