From: Jacky Bai <ping.bai@nxp.com> To: "robh+dt@kernel.org" <robh+dt@kernel.org>, "mark.rutland@arm.com" <mark.rutland@arm.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>, "kernel@pengutronix.de" <kernel@pengutronix.de>, "l.stach@pengutronix.de" <l.stach@pengutronix.de>, Aisheng Dong <aisheng.dong@nxp.com> Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "festevam@gmail.com" <festevam@gmail.com>, dl-linux-imx <linux-imx@nxp.com>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: [PATCH 1/3] dt-bindings: power: Add power domain binding for i.mx8m family Date: Wed, 17 Apr 2019 05:27:30 +0000 [thread overview] Message-ID: <20190417053211.2195-2-ping.bai@nxp.com> (raw) In-Reply-To: <20190417053211.2195-1-ping.bai@nxp.com> Add the binding doc of power domain for i.MX8M SOC family. Signed-off-by: Jacky Bai <ping.bai@nxp.com> --- .../bindings/power/fsl,imx8m-genpd.txt | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/fsl,imx8m-genpd.txt diff --git a/Documentation/devicetree/bindings/power/fsl,imx8m-genpd.txt b/Documentation/devicetree/bindings/power/fsl,imx8m-genpd.txt new file mode 100644 index 000000000000..a92a7103de38 --- /dev/null +++ b/Documentation/devicetree/bindings/power/fsl,imx8m-genpd.txt @@ -0,0 +1,46 @@ +Device Tree Bindings for Freescale i.MX8M Generic Power Domain +============================================================== +The binding for the i.MX8M Generic power Domain[1]. + +[1] Documentation/devicetree/bindings/power/power_domain.txt + +Required properties: + + - compatible: should be of: + - "fsl,imx8m-power-domain" + - #power-domain-cells: Number of cells in a PM domain Specifier, must be 0 + - domain-index: should be the domain index number need to pass to TF-A + - domain-name: the name of this pm domain + +Optional properties: + - clocks: a number of phandles to clocks that need to be enabled during + domain power-up sequence to ensure reset propagation into devices + located inside this power domain + - power-supply: Power supply used to power the domain + - parent-domains: the phandle to the parent power domain + +example: + vpu_g1_pd: vpug1-pd { + compatible = "fsl,imx8mm-pm-domain"; + #power-domain-cells = <0>; + domain-index = <6>; + domain-name = "vpu_g1"; + parent-domains = <&vpumix_pd>; + clocks = <&clk IMX8MM_CLK_VPU_G1_ROOT>; + }; + + +Specifying Power domain for IP modules +====================================== + +IP cores belonging to a power domain should contain a 'power-domains' +property that is a phandle for PGC node representing the domain. + +Example of a device that is part of the vpu_g1 power domain: + vpu_g1: vpu_g1@38300000 { + /* ... */ + interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "irq_hantro"; + /* ... */ + power-domains = <&vpu_g1_pd>; + }; -- 2.21.0
WARNING: multiple messages have this Message-ID (diff)
From: Jacky Bai <ping.bai@nxp.com> To: "robh+dt@kernel.org" <robh+dt@kernel.org>, "mark.rutland@arm.com" <mark.rutland@arm.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>, "kernel@pengutronix.de" <kernel@pengutronix.de>, "l.stach@pengutronix.de" <l.stach@pengutronix.de>, Aisheng Dong <aisheng.dong@nxp.com> Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "festevam@gmail.com" <festevam@gmail.com>, dl-linux-imx <linux-imx@nxp.com>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: [PATCH 1/3] dt-bindings: power: Add power domain binding for i.mx8m family Date: Wed, 17 Apr 2019 05:27:30 +0000 [thread overview] Message-ID: <20190417053211.2195-2-ping.bai@nxp.com> (raw) In-Reply-To: <20190417053211.2195-1-ping.bai@nxp.com> Add the binding doc of power domain for i.MX8M SOC family. Signed-off-by: Jacky Bai <ping.bai@nxp.com> --- .../bindings/power/fsl,imx8m-genpd.txt | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/fsl,imx8m-genpd.txt diff --git a/Documentation/devicetree/bindings/power/fsl,imx8m-genpd.txt b/Documentation/devicetree/bindings/power/fsl,imx8m-genpd.txt new file mode 100644 index 000000000000..a92a7103de38 --- /dev/null +++ b/Documentation/devicetree/bindings/power/fsl,imx8m-genpd.txt @@ -0,0 +1,46 @@ +Device Tree Bindings for Freescale i.MX8M Generic Power Domain +============================================================== +The binding for the i.MX8M Generic power Domain[1]. + +[1] Documentation/devicetree/bindings/power/power_domain.txt + +Required properties: + + - compatible: should be of: + - "fsl,imx8m-power-domain" + - #power-domain-cells: Number of cells in a PM domain Specifier, must be 0 + - domain-index: should be the domain index number need to pass to TF-A + - domain-name: the name of this pm domain + +Optional properties: + - clocks: a number of phandles to clocks that need to be enabled during + domain power-up sequence to ensure reset propagation into devices + located inside this power domain + - power-supply: Power supply used to power the domain + - parent-domains: the phandle to the parent power domain + +example: + vpu_g1_pd: vpug1-pd { + compatible = "fsl,imx8mm-pm-domain"; + #power-domain-cells = <0>; + domain-index = <6>; + domain-name = "vpu_g1"; + parent-domains = <&vpumix_pd>; + clocks = <&clk IMX8MM_CLK_VPU_G1_ROOT>; + }; + + +Specifying Power domain for IP modules +====================================== + +IP cores belonging to a power domain should contain a 'power-domains' +property that is a phandle for PGC node representing the domain. + +Example of a device that is part of the vpu_g1 power domain: + vpu_g1: vpu_g1@38300000 { + /* ... */ + interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "irq_hantro"; + /* ... */ + power-domains = <&vpu_g1_pd>; + }; -- 2.21.0 _______________________________________________ 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:[~2019-04-17 5:27 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-17 5:27 [PATCH 0/3] Add power domain driver support for i.mx8m family Jacky Bai 2019-04-17 5:27 ` Jacky Bai 2019-04-17 5:27 ` Jacky Bai [this message] 2019-04-17 5:27 ` [PATCH 1/3] dt-bindings: power: Add power domain binding " Jacky Bai 2019-04-17 5:27 ` [PATCH 2/3] soc: imx: Add power domain driver support " Jacky Bai 2019-04-17 5:27 ` Jacky Bai 2019-04-17 5:27 ` [PATCH 3/3] arm64: dts: freescale: Add power domain nodes for i.mx8mm Jacky Bai 2019-04-17 5:27 ` Jacky Bai 2019-04-17 11:16 ` [PATCH 0/3] Add power domain driver support for i.mx8m family Aisheng Dong 2019-04-17 11:16 ` Aisheng Dong 2019-04-17 12:13 ` Lucas Stach 2019-04-17 12:13 ` Lucas Stach 2019-04-17 12:40 ` Leonard Crestez 2019-04-17 12:40 ` Leonard Crestez 2019-04-17 12:54 ` Lucas Stach 2019-04-17 13:25 ` Sudeep Holla 2019-04-17 12:54 ` Peng Fan 2019-04-17 12:54 ` Peng Fan 2019-04-17 13:33 ` Sudeep Holla 2019-04-17 13:33 ` Sudeep Holla 2019-04-17 16:21 ` Leonard Crestez 2019-04-17 16:21 ` Leonard Crestez 2019-04-18 14:43 ` Sudeep Holla 2019-04-18 14:43 ` Sudeep Holla 2019-11-07 21:28 ` Adam Ford 2019-11-07 21:28 ` Adam Ford 2020-02-13 9:16 ` Schrempf Frieder 2020-02-13 9:16 ` Schrempf Frieder 2020-02-13 9:21 ` Jacky Bai 2020-02-13 9:21 ` Jacky Bai 2020-02-13 10:52 ` Schrempf Frieder 2020-02-13 10:52 ` Schrempf Frieder 2020-02-13 11:32 ` Lucas Stach 2020-02-13 11:32 ` Lucas Stach 2020-02-13 14:30 ` Leonard Crestez 2020-02-13 14:30 ` Leonard Crestez 2020-02-13 14:47 ` Lucas Stach 2020-02-13 14:47 ` Lucas Stach 2020-02-13 15:19 ` Leonard Crestez 2020-02-13 15:19 ` Leonard Crestez 2020-02-13 15:58 ` Lucas Stach 2020-02-13 15:58 ` Lucas Stach 2020-02-13 16:16 ` Schrempf Frieder 2020-02-13 16:16 ` Schrempf Frieder 2019-04-17 13:23 ` Sudeep Holla 2019-04-17 13:23 ` Sudeep Holla 2019-04-17 13:36 ` Sudeep Holla 2019-04-17 13:36 ` Sudeep Holla
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