[{"id":1767632,"web_url":"http://patchwork.ozlabs.org/comment/1767632/","msgid":"<20170913073602.GD6756@verge.net.au>","list_archive_url":null,"date":"2017-09-13T07:36:03","subject":"Re: [PATCH 0/5] ARM: dts: rcar-gen2: Add reset control properties","submitter":{"id":106,"url":"http://patchwork.ozlabs.org/api/people/106/","name":"Simon Horman","email":"horms@verge.net.au"},"content":"On Mon, Sep 11, 2017 at 03:09:54PM +0200, Geert Uytterhoeven wrote:\n> \tHi Simon, Magnus,\n> \n> This patch series describes the reset topology on all R-Car Gen2 Socs, like\n> was done before for R-Car Gen3 and RZ/G1.\n> \n> Resets usually match the corresponding module clocks. Exceptions are:\n> - The audio module has resets for the Serial Sound Interfaces only,\n> - The display module has only a single reset for all DU channels, but\n> adding reset properties for the display is postponed upon request from\n> Laurent.\n> \n> Note that this patch series contains hardware description only.\n> Actual reset policy is to be defined and implemented separately.\n> Also, this is an optional feature, to be enabled explicitly using\n> CONFIG_RESET_CONTROLLER=y. When enabled, an on-SoC device can be reset\n> easily using device_reset(), or by using the reset_control_*() API when\n> more fine-grained control is desired.\n> \n> Possible use cases are (not exhaustive):\n> - Reset a device before use, to make sure it's in a predefined state, and\n> doesn't depend on earlier configuration by e.g. the boot loader,\n> - Reset a device after detecting an anomaly,\n> - Reset a device to verify suspend/resume is handled correctly by the\n> driver in case the device would be part of a power domain on a\n> different/future SoC.\n> \n> This has been tested on r8a7790/lager, r8a7791/koelsch, r8a7792/blanche,\n> and r8a7794/alt (r8a7793/gose was offline).\n> \n> Thanks for applying!\n> \n> Geert Uytterhoeven (5):\n> ARM: dts: r8a7790: Add reset control properties\n> ARM: dts: r8a7791: Add reset control properties\n> ARM: dts: r8a7792: Add reset control properties\n> ARM: dts: r8a7793: Add reset control properties\n> ARM: dts: r8a7794: Add reset control properties\n\nThanks, applied.","headers":{"Return-Path":"","X-Original-To":"incoming-imx@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-imx@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; 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