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b=VAcS595a9Htw4jHw69vZzcgar9lCOlJ2xGlfemYZ+sqlWPL1JMfdnP2BUs94YYECuszhqMe6pUctoxX/sU44bjfhlhphkNVXdXDaSlmVWUflCeKeLOJATycxboXAWWcwe/61U+5tPbENu8VUA4mUlGntQABmUsL4hQAXAp8rcWg= Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DU0PR04MB9372.eurprd04.prod.outlook.com (2603:10a6:10:35b::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4755.21; Wed, 8 Dec 2021 13:22:05 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43%9]) with mapi id 15.20.4755.021; Wed, 8 Dec 2021 13:22:05 +0000 From: Peng Fan To: Shawn Guo , "Peng Fan (OSS)" CC: "robh+dt@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , dl-linux-imx , Jacky Bai , Aisheng Dong , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH 2/3] arm64: dts: imx8ulp: add scmi firmware node Thread-Topic: [PATCH 2/3] arm64: dts: imx8ulp: add scmi firmware node Thread-Index: AQHX22M3wqoeGEsc2kKun9YdpXFw4qwookUAgAATN0A= Date: Wed, 8 Dec 2021 13:22:05 +0000 Message-ID: References: <20211117032740.2518926-1-peng.fan@oss.nxp.com> <20211117032740.2518926-3-peng.fan@oss.nxp.com> <20211208121000.GG4216@dragon> In-Reply-To: <20211208121000.GG4216@dragon> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DU0PR04MB9417.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f25bb869-423a-4b0b-fa5d-08d9ba4dbad0 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Dec 2021 13:22:05.7956 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: lP5/E/2tTD2xKZbDMFJO4KcjlnJFwjNU8t4KjUjF6uYMLtceBkxNINkO2EPoAUC1LnFjHrOHOl3uXPhNYkxagA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR04MB9372 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Shawn, > Subject: Re: [PATCH 2/3] arm64: dts: imx8ulp: add scmi firmware node >=20 > On Wed, Nov 17, 2021 at 11:27:39AM +0800, Peng Fan (OSS) wrote: > > From: Peng Fan > > > > i.MX8ULP use scmi firmware based power domain and sensor support. > > So add the firmware node and the sram it uses. > > > > Signed-off-by: Peng Fan > > --- > > arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 35 > > ++++++++++++++++++++++ > > 1 file changed, 35 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi > > b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi > > index fb8714379026..d567ef93f8d8 100644 > > --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi > > @@ -6,6 +6,7 @@ > > #include > > #include > > #include > > +#include > > > > #include "imx8ulp-pinfunc.h" > > > > @@ -102,6 +103,40 @@ sosc: clock-sosc { > > #clock-cells =3D <0>; > > }; > > > > + sram@2201f000 { > > + compatible =3D "mmio-sram"; > > + reg =3D <0x0 0x2201f000 0x0 0x1000>; > > + > > + #address-cells =3D <1>; > > + #size-cells =3D <1>; > > + ranges =3D <0 0x0 0x2201f000 0x1000>; > > + > > + scmi_buf: scmi_buf@0 { >=20 > Hyphen is more recommended than underscore for node name. =20 Just send out v2 to address this issue. Or just > follow the naming in arm,scmi.yaml example? No need to follow its name there, it support many protocols and need different shmem for performance and others. Thanks, Peng. >=20 > Shawn >=20 > > + compatible =3D "arm,scmi-shmem"; > > + reg =3D <0x0 0x400>; > > + }; > > + }; > > + > > + firmware { > > + scmi { > > + compatible =3D "arm,scmi-smc"; > > + arm,smc-id =3D <0xc20000fe>; > > + #address-cells =3D <1>; > > + #size-cells =3D <0>; > > + shmem =3D <&scmi_buf>; > > + > > + scmi_devpd: protocol@11 { > > + reg =3D <0x11>; > > + #power-domain-cells =3D <1>; > > + }; > > + > > + scmi_sensor: protocol@15 { > > + reg =3D <0x15>; > > + #thermal-sensor-cells =3D <0>; > > + }; > > + }; > > + }; > > + > > soc@0 { > > compatible =3D "simple-bus"; > > #address-cells =3D <1>; > > -- > > 2.25.1 > >