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Wang" , "linux-clk@vger.kernel.org" , "l.stach@pengutronix.de" , "sboyd@codeaurora.org" , Anson Huang , "s.hauer@pengutronix.de" Subject: Re: [PATCH v4] arm64: dts: imx8mq: Init rates and parents configs for clocks Thread-Topic: [PATCH v4] arm64: dts: imx8mq: Init rates and parents configs for clocks Thread-Index: AQHVRVgHX+vi+LJNg0ufd7EEy7KERw== Date: Wed, 23 Oct 2019 08:38:36 +0000 Message-ID: References: <20190728152040.15323-1-daniel.baluta@nxp.com> <1571812158.5953.2.camel@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=leonard.crestez@nxp.com; x-originating-ip: [92.121.36.198] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 6bd9f901-222a-40d9-9ac2-08d757946554 x-ms-traffictypediagnostic: AM7PR04MB7032:|AM7PR04MB7032: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-forefront-prvs: 019919A9E4 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(366004)(346002)(396003)(376002)(39860400002)(136003)(189003)(199004)(33656002)(14454004)(54906003)(316002)(229853002)(25786009)(186003)(53546011)(6506007)(110136005)(102836004)(8936002)(4001150100001)(26005)(99286004)(7696005)(76176011)(478600001)(71190400001)(486006)(44832011)(71200400001)(81156014)(81166006)(14444005)(446003)(64756008)(66446008)(476003)(91956017)(66556008)(66946007)(66476007)(8676002)(305945005)(3846002)(74316002)(6116002)(256004)(9686003)(55016002)(7736002)(52536014)(4744005)(6246003)(7416002)(66066001)(5660300002)(6636002)(6436002)(86362001)(76116006)(4326008)(2906002)(32563001);DIR:OUT;SFP:1101;SCL:1;SRVR:AM7PR04MB7032;H:AM7PR04MB7015.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: NFPkoNc1+zkG2rr/8k5zXcMtQsWsTxMPDYe59X81B2ZDYVJm4TGyFPHqVBhQR0LbBvTd+0SRYh84CxfvdBOls3OBTH7ufr3dzCqhMWkLXpGEpMZWV7lAAUcMl5XewUKzaRY0e+dQ2j83VI66PjLvCHfBApSSVPu4zb+USTqPmSoZBxXpoZ2xFR12YMIdibIEjHYz0yBvbY0/MkghRV4gUipS+fiXoQ2LY/o8N93I95qGQfwkrurcwkGvCuAhOf9nbXP3nd8Eq4SRK3mnP6OeRCdjtPeMtLz1hi4YvrMn27BSLZ9W1sXrs46+s7FVIxyAd2EM83r/MfaVfN1zXQxEZunTo+CzFQo66RdV0aHbXqFVOoskgZHeRMy8ivg0ByuXr6fEjM4LyjU15sTQFpdnKMxW1FHT51BFb9U90Y5TDlyH+ukdHjQEgbwZMWMGbnhf Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6bd9f901-222a-40d9-9ac2-08d757946554 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Oct 2019 08:38:36.1730 (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: 3hqBkEhdDGkOSpQNuIiudjk7ISSTLcY7/fdMS72WAcBRbcbA0SHukyvmuS3tZivP8RwB58nsSAOoZji0Iu64TA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB7032 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-10-23 9:29 AM, Viorel Suman wrote:=0A= > On Mi, 2019-08-21 at 20:39 +0000, Leonard Crestez wrote:=0A= >> The audio PLLs should run below 650 mHz so please use 393216000 and=0A= >> 361267200 instead of 786432000 and 722534400. For the 8mm equivalent see= =0A= >> commit 053a4ffe2988 ("clk: imx: imx8mm: fix audio pll setting").=0A= > =0A= > Hi Leonard,=0A= > =0A= > Audio PLL IP on 8mm and 8mn is different than the Audio PLL IP on 8mq,=0A= > so the requirement to run below 650 MHZ may not apply to 8mq.=0A= =0A= This "max 650mHz" limit is from internal ADD and is also mentioned for =0A= imx8mq.=0A= =0A= Peng: you made the change in our internal tree, can you confirm this =0A= requirement also applies to 8mq?=0A= =0A= Viorel: Is there any impact from 393216000 vs 786432000 on PLL on audio? = =0A= As far as I can know this rate goes through various dividers anyway.=0A= =0A= --=0A= Regards,=0A= Leonard=0A=