From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933473AbeCBWtP (ORCPT ); Fri, 2 Mar 2018 17:49:15 -0500 Received: from mail.bootlin.com ([62.4.15.54]:52378 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933313AbeCBWtO (ORCPT ); Fri, 2 Mar 2018 17:49:14 -0500 From: Alexandre Belloni To: James Hogan , Ralf Baechle Cc: Allan Nielsen , linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH v4 2/6] dt-bindings: mips: Add bindings for Microsemi SoCs Date: Fri, 2 Mar 2018 23:48:07 +0100 Message-Id: <20180302224811.26840-3-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180302224811.26840-1-alexandre.belloni@bootlin.com> References: <20180302224811.26840-1-alexandre.belloni@bootlin.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add bindings for Microsemi SoCs. Currently only Ocelot is supported. Reviewed-by: Rob Herring Signed-off-by: Alexandre Belloni --- Documentation/devicetree/bindings/mips/mscc.txt | 44 +++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/mips/mscc.txt diff --git a/Documentation/devicetree/bindings/mips/mscc.txt b/Documentation/devicetree/bindings/mips/mscc.txt new file mode 100644 index 000000000000..f4514c274510 --- /dev/null +++ b/Documentation/devicetree/bindings/mips/mscc.txt @@ -0,0 +1,44 @@ +* Microsemi MIPS CPUs + +Boards with a SoC of the Microsemi MIPS family shall have the following +properties: + +Required properties: +- compatible: "mscc,ocelot" +- mips-hpt-frequency: CPU counter frequency. + + +* Other peripherals: + +o CPU chip regs: + +The SoC has a few registers (DEVCPU_GCB:CHIP_REGS) handling miscellaneous +functionalities: chip ID, general purpose register for software use, reset +controller, hardware status and configuration, efuses. + +Required properties: +- compatible: Should be "mscc,ocelot-chip-regs", "simple-mfd", "syscon" +- reg : Should contain registers location and length + +Example: + syscon@71070000 { + compatible = "mscc,ocelot-chip-regs", "simple-mfd", "syscon"; + reg = <0x71070000 0x1c>; + }; + + +o CPU system control: + +The SoC has a few registers (ICPU_CFG:CPU_SYSTEM_CTRL) handling configuration of +the CPU: 8 general purpose registers, reset control, CPU en/disabling, CPU +endianness, CPU bus control, CPU status. + +Required properties: +- compatible: Should be "mscc,ocelot-cpu-syscon", "syscon" +- reg : Should contain registers location and length + +Example: + syscon@70000000 { + compatible = "mscc,ocelot-cpu-syscon", "syscon"; + reg = <0x70000000 0x2c>; + }; -- 2.16.2