From: Rob Herring <robh@kernel.org> To: David Lechner <david@lechnology.com> Cc: linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "Ohad Ben-Cohen" <ohad@wizery.com>, "Bjorn Andersson" <bjorn.andersson@linaro.org>, "Mark Rutland" <mark.rutland@arm.com>, "Benoît Cousson" <bcousson@baylibre.com>, "Tony Lindgren" <tony@atomide.com>, "Sekhar Nori" <nsekhar@ti.com>, "Kevin Hilman" <khilman@kernel.org>, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/8] dt-bindings: add bindings for TI PRU as remoteproc Date: Tue, 3 Jul 2018 14:59:32 -0600 [thread overview] Message-ID: <20180703205932.GA28054@rob-hp-laptop> (raw) In-Reply-To: <20180623210810.21232-5-david@lechnology.com> On Sat, Jun 23, 2018 at 04:08:06PM -0500, David Lechner wrote: > This adds a new binding for the TI Programmable Runtime Unit (PRU) > as a remoteproc device. > > Signed-off-by: David Lechner <david@lechnology.com> > --- > .../bindings/remoteproc/ti_pru_rproc.txt | 51 +++++++++++++++++++ > 1 file changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/ti_pru_rproc.txt > > diff --git a/Documentation/devicetree/bindings/remoteproc/ti_pru_rproc.txt b/Documentation/devicetree/bindings/remoteproc/ti_pru_rproc.txt > new file mode 100644 > index 000000000000..0e80a8db46d0 > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/ti_pru_rproc.txt > @@ -0,0 +1,51 @@ > +TI Programmable Realtime Unit (PRU) > +=================================== > + > +Some TI Sitara SoCs contain a Programmable Realtime Unit subsystem with two > +processor cores that can be used for hard-realtime tasks. > + > + > +Required properties: > +-------------------- > +The following are the mandatory properties: > + > +- compatible: Should be one of the following, > + "ti,da850-pru-rproc" for AM18xx/OMAPL138 SoCs > + "ti,am3352-pru-rproc" for AM355x SoCs > + > +- reg: Should contain the memory region for the PRUSS > + > +- interrupts: Should contain the interrupt number used to receive the > + virtualqueue kick interrupts from the PRU (i.e. > + PRU_EVTOUT0 and PRU_EVTOUT1) > + > +- interrupt-names Should contain "pru0-vq", "pru1-vq" > + > +Optional properties: > +-------------------- > + > +- power-domains: A phandle to the power domain that powers the PRUSS Only for da850? > + > +- ti,hwmods: Name of the hwmod associated to the PRUSS, which is > + typically "pruss" Only for am3352? typically? You should enumerate possible values. > + > +Example: > +-------- > + > + // AM18xx > + pru_rproc: cpu@30000 { cpu is reserved for cpu nodes. > + compatible = "ti,da850-pru-rproc"; > + reg = <0x30000 0x10000>; > + interrupts = <3>, <4>; > + interrupt-names = "pru0-vq", "pru1-vq"; > + power-domains = <&psc0 13>; > + }; > + > + // AM335x > + pru_rproc: cpu@4a300000 { > + compatible = "ti,am3352-pru-rproc"; > + reg = <0x4a300000 0x80000>; > + interrupts = <20>, <21>; > + interrupt-names = "pru0-vq", "pru1-vq"; > + ti,hwmods = "pruss"; > + }; Really need 2 examples? > -- > 2.17.1 >
WARNING: multiple messages have this Message-ID (diff)
From: robh@kernel.org (Rob Herring) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 4/8] dt-bindings: add bindings for TI PRU as remoteproc Date: Tue, 3 Jul 2018 14:59:32 -0600 [thread overview] Message-ID: <20180703205932.GA28054@rob-hp-laptop> (raw) In-Reply-To: <20180623210810.21232-5-david@lechnology.com> On Sat, Jun 23, 2018 at 04:08:06PM -0500, David Lechner wrote: > This adds a new binding for the TI Programmable Runtime Unit (PRU) > as a remoteproc device. > > Signed-off-by: David Lechner <david@lechnology.com> > --- > .../bindings/remoteproc/ti_pru_rproc.txt | 51 +++++++++++++++++++ > 1 file changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/ti_pru_rproc.txt > > diff --git a/Documentation/devicetree/bindings/remoteproc/ti_pru_rproc.txt b/Documentation/devicetree/bindings/remoteproc/ti_pru_rproc.txt > new file mode 100644 > index 000000000000..0e80a8db46d0 > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/ti_pru_rproc.txt > @@ -0,0 +1,51 @@ > +TI Programmable Realtime Unit (PRU) > +=================================== > + > +Some TI Sitara SoCs contain a Programmable Realtime Unit subsystem with two > +processor cores that can be used for hard-realtime tasks. > + > + > +Required properties: > +-------------------- > +The following are the mandatory properties: > + > +- compatible: Should be one of the following, > + "ti,da850-pru-rproc" for AM18xx/OMAPL138 SoCs > + "ti,am3352-pru-rproc" for AM355x SoCs > + > +- reg: Should contain the memory region for the PRUSS > + > +- interrupts: Should contain the interrupt number used to receive the > + virtualqueue kick interrupts from the PRU (i.e. > + PRU_EVTOUT0 and PRU_EVTOUT1) > + > +- interrupt-names Should contain "pru0-vq", "pru1-vq" > + > +Optional properties: > +-------------------- > + > +- power-domains: A phandle to the power domain that powers the PRUSS Only for da850? > + > +- ti,hwmods: Name of the hwmod associated to the PRUSS, which is > + typically "pruss" Only for am3352? typically? You should enumerate possible values. > + > +Example: > +-------- > + > + // AM18xx > + pru_rproc: cpu at 30000 { cpu is reserved for cpu nodes. > + compatible = "ti,da850-pru-rproc"; > + reg = <0x30000 0x10000>; > + interrupts = <3>, <4>; > + interrupt-names = "pru0-vq", "pru1-vq"; > + power-domains = <&psc0 13>; > + }; > + > + // AM335x > + pru_rproc: cpu at 4a300000 { > + compatible = "ti,am3352-pru-rproc"; > + reg = <0x4a300000 0x80000>; > + interrupts = <20>, <21>; > + interrupt-names = "pru0-vq", "pru1-vq"; > + ti,hwmods = "pruss"; > + }; Really need 2 examples? > -- > 2.17.1 >
next prev parent reply other threads:[~2018-07-03 20:59 UTC|newest] Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-23 21:08 David Lechner 2018-06-23 21:08 ` No subject David Lechner 2018-06-23 21:08 ` (unknown), David Lechner 2018-06-23 21:08 ` [PATCH 1/8] remoteproc: add map parameter to da_to_va David Lechner 2018-06-23 21:08 ` David Lechner 2018-06-23 21:08 ` [PATCH 2/8] remoteproc: add page lookup for TI PRU to ELF loader David Lechner 2018-06-23 21:08 ` David Lechner 2018-06-23 21:08 ` David Lechner 2018-06-23 21:08 ` [PATCH 3/8] ARM: OMAP2+: add pdata quirks for PRUSS reset David Lechner 2018-06-23 21:08 ` David Lechner 2018-06-23 21:08 ` [PATCH 4/8] dt-bindings: add bindings for TI PRU as remoteproc David Lechner 2018-06-23 21:08 ` David Lechner 2018-07-03 20:59 ` Rob Herring [this message] 2018-07-03 20:59 ` Rob Herring 2018-06-23 21:08 ` [PATCH 5/8] remoteproc: new driver for TI PRU David Lechner 2018-06-23 21:08 ` David Lechner 2018-06-29 10:14 ` Roger Quadros 2018-06-29 10:14 ` Roger Quadros 2018-06-29 10:14 ` Roger Quadros 2018-06-30 19:02 ` Derald Woods 2018-07-02 8:05 ` Roger Quadros 2018-07-02 8:05 ` Roger Quadros 2018-06-23 21:08 ` [PATCH 6/8] ARM: davinci_all_defconfig: enable PRU remoteproc module David Lechner 2018-06-23 21:08 ` David Lechner 2018-06-23 21:08 ` [PATCH 7/8] ARM: dts: da850: add node for PRUSS David Lechner 2018-06-23 21:08 ` David Lechner 2018-06-23 21:08 ` [PATCH 8/8] ARM: dts: am33xx: add node for PRU remoteproc David Lechner 2018-06-23 21:08 ` David Lechner 2018-06-29 9:58 ` New remoteproc driver for TI PRU Roger Quadros 2018-06-29 9:58 ` Roger Quadros 2018-06-29 17:44 ` David Lechner 2018-06-29 17:44 ` David Lechner 2018-06-30 0:17 ` Suman Anna 2018-06-30 0:17 ` Suman Anna 2018-06-30 0:17 ` Suman Anna 2018-06-30 0:17 ` Suman Anna 2018-08-06 16:32 ` David Lechner 2018-08-06 16:32 ` David Lechner 2018-08-07 1:39 ` Suman Anna 2018-08-07 1:39 ` Suman Anna 2018-08-07 1:39 ` Suman Anna 2018-08-07 1:39 ` Suman Anna 2018-07-02 8:17 ` Roger Quadros 2018-07-02 8:17 ` Roger Quadros 2018-07-02 8:17 ` Roger Quadros
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