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Thu, 29 Aug 2019 10:01:45 +0000 From: Oliver Graute To: Dong Aisheng CC: "linux-clk@vger.kernel.org" , "devicetree@vger.kernel.org" , "sboyd@kernel.org" , "mturquette@baylibre.com" , Rob Herring , "linux-imx@nxp.com" , "kernel@pengutronix.de" , "fabio.estevam@nxp.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH v3 01/11] dt-bindings: firmware: imx-scu: new binding to parse clocks from device tree Thread-Topic: [PATCH v3 01/11] dt-bindings: firmware: imx-scu: new binding to parse clocks from device tree Thread-Index: AQHVXlDCj1UcA2HR9UqRNdBbxYJSJg== Date: Thu, 29 Aug 2019 10:01:45 +0000 Message-ID: <20190829094624.GC18928@optiplex> References: <1563289265-10977-1-git-send-email-aisheng.dong@nxp.com> <1563289265-10977-2-git-send-email-aisheng.dong@nxp.com> In-Reply-To: <1563289265-10977-2-git-send-email-aisheng.dong@nxp.com> Accept-Language: de-DE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: LO2P123CA0002.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:a6::14) To HE1PR0902MB2075.eurprd09.prod.outlook.com (2603:10a6:7:1e::17) authentication-results: spf=none (sender IP is ) smtp.mailfrom=oliver.graute@kococonnector.com; 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received-spf: None (protection.outlook.com: kococonnector.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 2q/8hHroWZNlW3iDxxccm0y7qv6y77mQTfMkSyWqVMB/HS6oJNOgUNTUNtCp4nflNLby9fpEJC6NgJbZF3nArA1+2zUM9er3ciau1TE3kJ8dv36bNh26G1RZq1Gp/oMZMwvwcrTB59Ok8L8yGj+y5KGK+ldIIgt+ZAi8KCnQoLdh+RuiDvRUqxygYhQXxioesT+Ob+jBj84WRJpMkn84I84jX2MJ5PIW+D8c/uvgbQm4Rb5cewhwmqeFJLktKyu3G1SEDjmnVsow56Kog/QruzFPOtsWRilHw/SO13UFsmnmO5dM4k65uaR5WV1grQgMX2EbI7hFa+oi5G3ORAqm77t/tyzMxlUatCF4qXxgUS4ToBkekC/jCDp5xXS34evR60fBeU3i53sWA6zBVU9+GL4+lqkEmtpOu6hPRO8cYGE= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-ID: <701C1D21AA60824F951B836EAA177A09@eurprd09.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: kococonnector.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1f72a3e2-98de-4798-3790-08d72c67e516 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Aug 2019 10:01:45.4114 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 59845429-0644-4099-bd7e-17fba65a2f2b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: y+xMs3mxOUeU9MOUsnjv3tZTnUl6j/h+m5bDMy7dbh8fPkFWHNLtAV/fzAYzkoePT40gUBVUf6wdPTtTpKWnE1TovBo+qEW2B0sspVR/Ncs= X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0902MB1753 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org On 16/07/19, Dong Aisheng wrote: > There's a few limitations on the original one cell clock binding > (#clock-cells =3D <1>) that we have to define some SW clock IDs for devic= e > tree to reference. This may cause troubles if we want to use common > clock IDs for multi platforms support when the clock of those platforms > are mostly the same. > e.g. Current clock IDs name are defined with SS prefix. >=20 > However the device may reside in different SS across CPUs, that means the > SS prefix may not valid anymore for a new SoC. Furthermore, the device > availability of those clocks may also vary a bit. >=20 > For such situation, we want to eliminate the using of SW Clock IDs and > change to use a more close to HW one instead. > For SCU clocks usage, only two params required: Resource id + Clock Type. > Both parameters are platform independent. So we could use two cells bindi= ng > to pass those parameters, >=20 > Cc: Rob Herring > Cc: Stephen Boyd > Cc: Shawn Guo > Cc: Sascha Hauer > Cc: Michael Turquette > Cc: devicetree@vger.kernel.org > Signed-off-by: Dong Aisheng This Patch series (v3) is running fine for some weeks on my iMX8QM Board. So feel free to use my Tag: Tested-by: Oliver Graute