From: Peng Fan <peng.fan@nxp.com> To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, "Peng Fan (OSS)" <peng.fan@oss.nxp.com>, "robh+dt@kernel.org" <robh+dt@kernel.org>, "krzysztof.kozlowski+dt@linaro.org" <krzysztof.kozlowski+dt@linaro.org>, "sboyd@kernel.org" <sboyd@kernel.org>, "mturquette@baylibre.com" <mturquette@baylibre.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de> Cc: Aisheng Dong <aisheng.dong@nxp.com>, "l.stach@pengutronix.de" <l.stach@pengutronix.de>, "kernel@pengutronix.de" <kernel@pengutronix.de>, "festevam@gmail.com" <festevam@gmail.com>, dl-linux-imx <linux-imx@nxp.com>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: RE: [PATCH 1/7] dt-bindings: soc: add bindings for i.MX93 SRC Date: Tue, 24 May 2022 10:37:09 +0000 [thread overview] Message-ID: <DU0PR04MB9417F22B607C95BDAB84C01488D79@DU0PR04MB9417.eurprd04.prod.outlook.com> (raw) In-Reply-To: <c2882212-aa1e-4614-c982-43e6c793b34a@linaro.org> > Subject: Re: [PATCH 1/7] dt-bindings: soc: add bindings for i.MX93 SRC > > On 23/05/2022 13:30, Peng Fan (OSS) wrote: > > From: Peng Fan <peng.fan@nxp.com> > > > > Add bindings for i.MX93 System Reset Controller(SRC). SRC supports > > resets and power gating for mixes. > > > > Signed-off-by: Peng Fan <peng.fan@nxp.com> > > --- > > .../bindings/soc/imx/fsl,imx93-src.yaml | 88 > +++++++++++++++++++ > > include/dt-bindings/power/imx93-power.h | 11 +++ > > 2 files changed, 99 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml > > File should be in respective subsystem, so probably power/reset? ok, will put under power. > > > create mode 100644 include/dt-bindings/power/imx93-power.h > > > > diff --git > > a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml > > b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml > > new file mode 100644 > > index 000000000000..d45c1458b9c1 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml > > @@ -0,0 +1,88 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > > +--- > > +$id: > > +> > +title: NXP i.MX9 System Reset Controller > > + > > +maintainers: > > + - Peng Fan <peng.fan@nxp.com> > > + > > +description: | > > + The System Reset Controller (SRC) is responsible for the generation > > +of > > + all the system reset signals and boot argument latching. > > + > > + Its main functions are as follows, > > + - Deals with all global system reset sources from other modules, > > + and generates global system reset. > > + - Responsible for power gating of MIXs (Slices) and their memory > > + low power control. > > + > > +properties: > > + compatible: > > + items: > > + - const: fsl,imx93-src > > + - const: syscon > > + > > + reg: > > + maxItems: 1 > > + > > + slice: > > Why do you need this subnode, instead of listing domains here? I follow Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml There are several slices in SRC, just like there are many pgcs in gpcv2. > > > + type: object > > + description: list of power domains provided by this controller. > > + > > Hm, what about address/size cells? Is syscon schema bringing these? The slice submode should have address/size cells, but I not meet yaml/dtbs check error. Will add it. Not sure syscon bringing or not. > > > + patternProperties: > > + "power-domain@[0-9]$": > > + type: object > > Missing ref to power-domain.yaml Ok. > > > + properties: > > + > > + '#power-domain-cells': > > + const: 0 > > + > > + reg: > > + description: | > > + Power domain index. Valid values are defined in > > + include/dt-bindings/power/imx93-power.h for fsl,imx93-src > > + maxItems: 1 > > + > > + clocks: > > + description: | > > + A number of phandles to clocks that need to be enabled > > + during domain power-up sequencing to ensure reset > > + propagation into devices located inside this power domain. > > + minItems: 1 > > + maxItems: 5 > > + > > + required: > > + - '#power-domain-cells' > > + - reg > > + > > +required: > > + - compatible > > + - reg > > + - slice > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/clock/imx93-clock.h> > > + #include <dt-bindings/power/imx93-power.h> > > + > > + src@44460000 { > > reset-controller > or some other generic node name. It is not a single reset or power domain controller, Currently linux driver just use it as a power domain controller. Thanks, Peng. > > > + compatible = "fsl,imx93-src", "syscon"; > > + reg = <0x44460000 0x10000>; > > + > > + slice { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + mediamix: power-domain@0 { > > Best regards, > Krzysztof
WARNING: multiple messages have this Message-ID (diff)
From: Peng Fan <peng.fan@nxp.com> To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, "Peng Fan (OSS)" <peng.fan@oss.nxp.com>, "robh+dt@kernel.org" <robh+dt@kernel.org>, "krzysztof.kozlowski+dt@linaro.org" <krzysztof.kozlowski+dt@linaro.org>, "sboyd@kernel.org" <sboyd@kernel.org>, "mturquette@baylibre.com" <mturquette@baylibre.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de> Cc: Aisheng Dong <aisheng.dong@nxp.com>, "l.stach@pengutronix.de" <l.stach@pengutronix.de>, "kernel@pengutronix.de" <kernel@pengutronix.de>, "festevam@gmail.com" <festevam@gmail.com>, dl-linux-imx <linux-imx@nxp.com>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: RE: [PATCH 1/7] dt-bindings: soc: add bindings for i.MX93 SRC Date: Tue, 24 May 2022 10:37:09 +0000 [thread overview] Message-ID: <DU0PR04MB9417F22B607C95BDAB84C01488D79@DU0PR04MB9417.eurprd04.prod.outlook.com> (raw) In-Reply-To: <c2882212-aa1e-4614-c982-43e6c793b34a@linaro.org> > Subject: Re: [PATCH 1/7] dt-bindings: soc: add bindings for i.MX93 SRC > > On 23/05/2022 13:30, Peng Fan (OSS) wrote: > > From: Peng Fan <peng.fan@nxp.com> > > > > Add bindings for i.MX93 System Reset Controller(SRC). SRC supports > > resets and power gating for mixes. > > > > Signed-off-by: Peng Fan <peng.fan@nxp.com> > > --- > > .../bindings/soc/imx/fsl,imx93-src.yaml | 88 > +++++++++++++++++++ > > include/dt-bindings/power/imx93-power.h | 11 +++ > > 2 files changed, 99 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml > > File should be in respective subsystem, so probably power/reset? ok, will put under power. > > > create mode 100644 include/dt-bindings/power/imx93-power.h > > > > diff --git > > a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml > > b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml > > new file mode 100644 > > index 000000000000..d45c1458b9c1 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml > > @@ -0,0 +1,88 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > > +--- > > +$id: > > +> > +title: NXP i.MX9 System Reset Controller > > + > > +maintainers: > > + - Peng Fan <peng.fan@nxp.com> > > + > > +description: | > > + The System Reset Controller (SRC) is responsible for the generation > > +of > > + all the system reset signals and boot argument latching. > > + > > + Its main functions are as follows, > > + - Deals with all global system reset sources from other modules, > > + and generates global system reset. > > + - Responsible for power gating of MIXs (Slices) and their memory > > + low power control. > > + > > +properties: > > + compatible: > > + items: > > + - const: fsl,imx93-src > > + - const: syscon > > + > > + reg: > > + maxItems: 1 > > + > > + slice: > > Why do you need this subnode, instead of listing domains here? I follow Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml There are several slices in SRC, just like there are many pgcs in gpcv2. > > > + type: object > > + description: list of power domains provided by this controller. > > + > > Hm, what about address/size cells? Is syscon schema bringing these? The slice submode should have address/size cells, but I not meet yaml/dtbs check error. Will add it. Not sure syscon bringing or not. > > > + patternProperties: > > + "power-domain@[0-9]$": > > + type: object > > Missing ref to power-domain.yaml Ok. > > > + properties: > > + > > + '#power-domain-cells': > > + const: 0 > > + > > + reg: > > + description: | > > + Power domain index. Valid values are defined in > > + include/dt-bindings/power/imx93-power.h for fsl,imx93-src > > + maxItems: 1 > > + > > + clocks: > > + description: | > > + A number of phandles to clocks that need to be enabled > > + during domain power-up sequencing to ensure reset > > + propagation into devices located inside this power domain. > > + minItems: 1 > > + maxItems: 5 > > + > > + required: > > + - '#power-domain-cells' > > + - reg > > + > > +required: > > + - compatible > > + - reg > > + - slice > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/clock/imx93-clock.h> > > + #include <dt-bindings/power/imx93-power.h> > > + > > + src@44460000 { > > reset-controller > or some other generic node name. It is not a single reset or power domain controller, Currently linux driver just use it as a power domain controller. Thanks, Peng. > > > + compatible = "fsl,imx93-src", "syscon"; > > + reg = <0x44460000 0x10000>; > > + > > + slice { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + mediamix: power-domain@0 { > > Best regards, > Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-05-24 10:37 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-23 11:30 [PATCH 0/7] imx: support i.MX93 SRC and mediamix blk ctrl Peng Fan (OSS) 2022-05-23 11:30 ` Peng Fan (OSS) 2022-05-23 11:30 ` [PATCH 1/7] dt-bindings: soc: add bindings for i.MX93 SRC Peng Fan (OSS) 2022-05-23 11:30 ` Peng Fan (OSS) 2022-05-24 10:07 ` Krzysztof Kozlowski 2022-05-24 10:07 ` Krzysztof Kozlowski 2022-05-24 10:37 ` Peng Fan [this message] 2022-05-24 10:37 ` Peng Fan 2022-05-24 11:34 ` Krzysztof Kozlowski 2022-05-24 11:34 ` Krzysztof Kozlowski 2022-05-24 12:07 ` Peng Fan 2022-05-24 12:07 ` Peng Fan 2022-05-26 12:08 ` Krzysztof Kozlowski 2022-05-26 12:08 ` Krzysztof Kozlowski 2022-05-27 1:47 ` Peng Fan 2022-05-27 1:47 ` Peng Fan 2022-05-29 7:56 ` Krzysztof Kozlowski 2022-05-29 7:56 ` Krzysztof Kozlowski 2022-05-24 11:16 ` Krzysztof Kozlowski 2022-05-24 11:16 ` Krzysztof Kozlowski 2022-05-23 11:30 ` [PATCH 2/7] dt-bindings: soc: add bindings for i.MX93 mediamix blk ctrl Peng Fan (OSS) 2022-05-23 11:30 ` Peng Fan (OSS) 2022-05-24 11:20 ` Krzysztof Kozlowski 2022-05-24 11:20 ` Krzysztof Kozlowski 2022-05-23 11:30 ` [PATCH 3/7] clk: export of_clk_bulk_get_all Peng Fan (OSS) 2022-05-23 11:30 ` Peng Fan (OSS) 2022-05-23 11:30 ` [PATCH 4/7] soc: imx: add i.MX93 SRC power domain driver Peng Fan (OSS) 2022-05-23 11:30 ` Peng Fan (OSS) 2022-05-23 11:30 ` [PATCH 5/7] soc: imx: add i.MX93 media blk ctrl driver Peng Fan (OSS) 2022-05-23 11:30 ` Peng Fan (OSS) 2022-05-23 11:30 ` [PATCH 6/7] arm64: dts: imx93: add src node Peng Fan (OSS) 2022-05-23 11:30 ` Peng Fan (OSS) 2022-05-24 11:20 ` Krzysztof Kozlowski 2022-05-24 11:20 ` Krzysztof Kozlowski 2022-05-23 11:30 ` [PATCH 7/7] arm64: dts: imx93: add mediamix blk ctrl node Peng Fan (OSS) 2022-05-23 11:30 ` Peng Fan (OSS) 2022-05-24 11:20 ` Krzysztof Kozlowski 2022-05-24 11:20 ` Krzysztof Kozlowski
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