From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: [PATCHv7 1/9] dt-bindings: omap: add new binding for PRM instances Date: Tue, 8 Oct 2019 10:19:05 +0300 Message-ID: <20191008071913.28740-2-t-kristo@ti.com> References: <20191008071913.28740-1-t-kristo@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191008071913.28740-1-t-kristo@ti.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-omap@vger.kernel.org, ssantosh@kernel.org Cc: tony@atomide.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, p.zabel@pengutronix.de List-Id: linux-omap@vger.kernel.org Add new binding for OMAP PRM (Power and Reset Manager) instances. Each of these will act as a power domain controller and potentially as a reset provider. Signed-off-by: Tero Kristo Reviewed-by: Rob Herring Reviewed-by: Tony Lindgren --- v7: - dropped clocks property from example .../devicetree/bindings/arm/omap/prm-inst.txt | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/omap/prm-inst.txt diff --git a/Documentation/devicetree/bindings/arm/omap/prm-inst.txt b/Documentation/devicetree/bindings/arm/omap/prm-inst.txt new file mode 100644 index 000000000000..dfe7c7789ca7 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/prm-inst.txt @@ -0,0 +1,29 @@ +OMAP PRM instance bindings + +Power and Reset Manager is an IP block on OMAP family of devices which +handle the power domains and their current state, and provide reset +handling for the domains and/or separate IP blocks under the power domain +hierarchy. + +Required properties: +- compatible: Must contain one of the following: + "ti,am3-prm-inst" + "ti,am4-prm-inst" + "ti,omap4-prm-inst" + "ti,omap5-prm-inst" + "ti,dra7-prm-inst" + and additionally must contain: + "ti,omap-prm-inst" +- reg: Contains PRM instance register address range + (base address and length) + +Optional properties: +- #reset-cells: Should be 1 if the PRM instance in question supports resets. + +Example: + +prm_dsp2: prm@1b00 { + compatible = "ti,omap-prm-inst", "ti,dra7-prm-inst"; + reg = <0x1b00 0x40>; + #reset-cells = <1>; +}; -- 2.17.1 -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki