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[111.248.209.112]) by smtp.gmail.com with ESMTPSA id db12-20020a17090ad64c00b00298ca3a93f1sm6166007pjb.4.2024.03.01.17.57.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Mar 2024 17:57:45 -0800 (PST) Date: Sat, 2 Mar 2024 09:57:40 +0800 From: Chester Lin To: Matthias Brugger Cc: Ghennadi Procopciuc , Andreas Farber , Shawn Guo , Sascha Hauer , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , NXP S32 Linux Team , Pengutronix Kernel Team , NXP Linux Team , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Ghennadi Procopciuc , Catalin Udma Subject: Re: [PATCH v2 1/2] arm64: dts: s32g: add SCMI firmware node Message-ID: References: <20240122140602.1006813-1-ghennadi.procopciuc@oss.nxp.com> <20240122140602.1006813-2-ghennadi.procopciuc@oss.nxp.com> <94742ebd-bc3a-4726-9ba7-5954203e4da1@suse.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <94742ebd-bc3a-4726-9ba7-5954203e4da1@suse.com> On Mon, Jan 22, 2024 at 03:39:09PM +0100, Matthias Brugger wrote: > > > On 22/01/2024 15:06, Ghennadi Procopciuc wrote: > > From: Ghennadi Procopciuc > > > > Linux controls the clocks over SCMI on S32G SoCs. Therefore, > > add the SCMI device tree node and the reserved region for SCMI > > messages. > > > > Signed-off-by: Catalin Udma > > Signed-off-by: Ghennadi Procopciuc > > Reviewed-by: Matthias Brugger > > > --- > > arch/arm64/boot/dts/freescale/s32g2.dtsi | 27 +++++++++++++++++++++++- > > 1 file changed, 26 insertions(+), 1 deletion(-) > > > > diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi > > index 5ac1cc9ff50e..ef1a1d61f2ba 100644 > > --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi > > +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi > > @@ -3,7 +3,7 @@ > > * NXP S32G2 SoC family > > * > > * Copyright (c) 2021 SUSE LLC > > - * Copyright (c) 2017-2021 NXP > > + * Copyright 2017-2021, 2024 NXP > > */ > > #include > > @@ -14,6 +14,18 @@ / { > > #address-cells = <2>; > > #size-cells = <2>; > > + reserved-memory { > > + #address-cells = <2>; > > + #size-cells = <2>; > > + ranges; > > + > > + scmi_buf: shm@d0000000 { > > + compatible = "arm,scmi-shmem"; > > + reg = <0x0 0xd0000000 0x0 0x80>; > > + no-map; > > + }; > > + }; > > + > > cpus { > > #address-cells = <1>; > > #size-cells = <0>; > > @@ -77,6 +89,19 @@ timer { > > }; > > firmware { > > + scmi { > > + compatible = "arm,scmi-smc"; > > + arm,smc-id = <0xc20000fe>; > > + #address-cells = <1>; > > + #size-cells = <0>; > > + shmem = <&scmi_buf>; > > + > > + clks: protocol@14 { > > + reg = <0x14>; > > + #clock-cells = <1>; > > + }; > > + }; > > + > > psci { > > compatible = "arm,psci-1.0"; > > method = "smc"; Reviewed-by: Chester Lin