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Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lPnCE-003kHm-Jj; Fri, 26 Mar 2021 14:12:19 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lPnCA-003kH5-5n for linux-arm-kernel@lists.infradead.org; Fri, 26 Mar 2021 14:12:15 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lPnBv-0005tW-3S; Fri, 26 Mar 2021 15:11:59 +0100 Received: from pza by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lPnBs-0006cN-1E; Fri, 26 Mar 2021 15:11:56 +0100 Date: Fri, 26 Mar 2021 15:11:56 +0100 From: Philipp Zabel To: Benjamin Gaignard Cc: ezequiel@collabora.com, mchehab@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, lee.jones@linaro.org, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, hverkuil-cisco@xs4all.nl, emil.l.velikov@gmail.com, kernel@pengutronix.de, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org, kernel@collabora.com Subject: Re: [PATCH v6 02/13] dt-bindings: media: nxp,imx8mq-vpu: Update the bindings for G2 support Message-ID: <20210326141156.GA8441@pengutronix.de> References: <20210318082046.51546-1-benjamin.gaignard@collabora.com> <20210318082046.51546-3-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210318082046.51546-3-benjamin.gaignard@collabora.com> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 15:07:47 up 36 days, 17:31, 96 users, load average: 0.09, 0.22, 0.17 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: pza@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210326_141214_254272_6DF0080A X-CRM114-Status: GOOD ( 24.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Mar 18, 2021 at 09:20:35AM +0100, Benjamin Gaignard wrote: > Introducing G2 hevc video decoder lead to modify the bindings to allow > to get one node per VPUs. > VPUs share one hardware control block which is provided as a phandle on > an syscon. > Each node got now one reg and one interrupt. > Add a compatible for G2 hardware block: nxp,imx8mq-vpu-g2. > > To be compatible with older DT the driver is still capable to use 'ctrl' > reg-name even if it is deprecated now. > > Signed-off-by: Benjamin Gaignard > --- > version 5: > - This version doesn't break the backward compatibilty between kernel > and DT. > > .../bindings/media/nxp,imx8mq-vpu.yaml | 53 ++++++++++++------- > 1 file changed, 34 insertions(+), 19 deletions(-) > > diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml > index 762be3f96ce9..79502fc8bde5 100644 > --- a/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml > +++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml > @@ -15,22 +15,18 @@ description: > > properties: > compatible: > - const: nxp,imx8mq-vpu > + oneOf: > + - const: nxp,imx8mq-vpu > + - const: nxp,imx8mq-vpu-g2 > > reg: > - maxItems: 3 > - > - reg-names: > - items: > - - const: g1 > - - const: g2 > - - const: ctrl > + maxItems: 1 > > interrupts: > - maxItems: 2 > + maxItems: 1 > > interrupt-names: > - items: > + oneOf: > - const: g1 > - const: g2 > > @@ -46,14 +42,18 @@ properties: > power-domains: > maxItems: 1 > > + nxp,imx8mq-vpu-ctrl: > + description: Specifies a phandle to syscon VPU hardware control block > + $ref: "/schemas/types.yaml#/definitions/phandle" > + Should we drop the 'q' here, i.e. nxp,imx8m-vpu-ctrl so we can use the same binding for i.MX8MM later? > required: > - compatible > - reg > - - reg-names > - interrupts > - interrupt-names > - clocks > - clock-names > + - nxp,imx8mq-vpu-ctrl > > additionalProperties: false > > @@ -62,18 +62,33 @@ examples: > #include > #include > > - vpu: video-codec@38300000 { > + vpu_ctrl: syscon@38320000 { > + compatible = "nxp,imx8mq-vpu-ctrl", "syscon"; > + reg = <0x38320000 0x10000>; > + }; > + > + vpu_g1: video-codec@38300000 { > compatible = "nxp,imx8mq-vpu"; > - reg = <0x38300000 0x10000>, > - <0x38310000 0x10000>, > - <0x38320000 0x10000>; > - reg-names = "g1", "g2", "ctrl"; > - interrupts = , > - ; > - interrupt-names = "g1", "g2"; > + reg = <0x38300000 0x10000>; > + interrupts = ; > + interrupt-names = "g1"; > + clocks = <&clk IMX8MQ_CLK_VPU_G1_ROOT>, > + <&clk IMX8MQ_CLK_VPU_G2_ROOT>, Does the G1 VPU require the G2 clock and vice versa? regards Philipp _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel