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Date: Thu, 12 Nov 2020 13:52:34 +0100 From: Michal Simek <michal.simek@...inx.com> To: linux-kernel@...r.kernel.org, monstr@...str.eu, michal.simek@...inx.com, git@...inx.com Cc: Kalyani Akula <kalyani.akula@...inx.com>, Krzysztof Kozlowski <krzk@...nel.org>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Manish Narani <manish.narani@...inx.com>, Rajan Vaja <rajan.vaja@...inx.com>, Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: [PATCH] arm64: dts: zynqmp: Wire mailbox with zynqmp-power driver 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@...inx.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@...90400 { + 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
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