| Message ID | 5d3523150890e494df308ee69523d0f0e7b33b22.1605185549.git.michal.simek@xilinx.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: dts: zynqmp: Wire mailbox with zynqmp-power driver | expand |
čt 12. 11. 2020 v 13:52 odesílatel Michal Simek <michal.simek@xilinx.com> napsal: > > The support to driver was added by commit ffdbae28d9d1 ("drivers: soc: > xilinx: Use mailbox IPI callback") that's why also enable it via DT by > default. It setups communication with firmware via IPI interface. > > Signed-off-by: Michal Simek <michal.simek@xilinx.com> > --- > > arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi > index 66dad22b8a76..68923fbd0e89 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi > +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi > @@ -99,6 +99,29 @@ opp03 { > }; > }; > > + zynqmp_ipi { > + compatible = "xlnx,zynqmp-ipi-mailbox"; > + interrupt-parent = <&gic>; > + interrupts = <0 35 4>; > + xlnx,ipi-id = <0>; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + ipi_mailbox_pmu1: mailbox@ff990400 { > + reg = <0x0 0xff9905c0 0x0 0x20>, > + <0x0 0xff9905e0 0x0 0x20>, > + <0x0 0xff990e80 0x0 0x20>, > + <0x0 0xff990ea0 0x0 0x20>; > + reg-names = "local_request_region", > + "local_response_region", > + "remote_request_region", > + "remote_response_region"; > + #mbox-cells = <1>; > + xlnx,ipi-id = <4>; > + }; > + }; > + > dcc: dcc { > compatible = "arm,dcc"; > status = "disabled"; > @@ -128,6 +151,8 @@ zynqmp_power: zynqmp-power { > compatible = "xlnx,zynqmp-power"; > interrupt-parent = <&gic>; > interrupts = <0 35 4>; > + mboxes = <&ipi_mailbox_pmu1 0>, <&ipi_mailbox_pmu1 1>; > + mbox-names = "tx", "rx"; > }; > > zynqmp_clk: clock-controller { > -- > 2.29.2 > Applied. M
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index 66dad22b8a76..68923fbd0e89 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -99,6 +99,29 @@ opp03 { }; }; + zynqmp_ipi { + compatible = "xlnx,zynqmp-ipi-mailbox"; + interrupt-parent = <&gic>; + interrupts = <0 35 4>; + xlnx,ipi-id = <0>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + ipi_mailbox_pmu1: mailbox@ff990400 { + reg = <0x0 0xff9905c0 0x0 0x20>, + <0x0 0xff9905e0 0x0 0x20>, + <0x0 0xff990e80 0x0 0x20>, + <0x0 0xff990ea0 0x0 0x20>; + reg-names = "local_request_region", + "local_response_region", + "remote_request_region", + "remote_response_region"; + #mbox-cells = <1>; + xlnx,ipi-id = <4>; + }; + }; + dcc: dcc { compatible = "arm,dcc"; status = "disabled"; @@ -128,6 +151,8 @@ zynqmp_power: zynqmp-power { compatible = "xlnx,zynqmp-power"; interrupt-parent = <&gic>; interrupts = <0 35 4>; + mboxes = <&ipi_mailbox_pmu1 0>, <&ipi_mailbox_pmu1 1>; + mbox-names = "tx", "rx"; }; zynqmp_clk: clock-controller {
The support to driver was added by commit ffdbae28d9d1 ("drivers: soc: xilinx: Use mailbox IPI callback") that's why also enable it via DT by default. It setups communication with firmware via IPI interface. Signed-off-by: Michal Simek <michal.simek@xilinx.com> --- arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)