From mboxrd@z Thu Jan 1 00:00:00 1970 From: Biwen Li Subject: [v3,3/3] Documentation: dt: binding: fsl: Add 'fsl,ippdexpcr-alt-addr' property Date: Tue, 24 Sep 2019 10:45:48 +0800 Message-ID: <20190924024548.4356-3-biwen.li@nxp.com> References: <20190924024548.4356-1-biwen.li@nxp.com> Return-path: In-Reply-To: <20190924024548.4356-1-biwen.li@nxp.com> Sender: linux-kernel-owner@vger.kernel.org To: leoyang.li@nxp.com, shawnguo@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, ran.wang_1@nxp.com Cc: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Biwen Li List-Id: devicetree@vger.kernel.org The 'fsl,ippdexpcr-alt-addr' property is used to handle an errata A-008646 on LS1021A Signed-off-by: Biwen Li --- Change in v3: - rename property name fsl,rcpm-scfg -> fsl,ippdexpcr-alt-addr Change in v2: - update desc of the property 'fsl,rcpm-scfg' Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt index 5a33619d881d..157dcf6da17c 100644 --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt @@ -34,6 +34,11 @@ Chassis Version Example Chips Optional properties: - little-endian : RCPM register block is Little Endian. Without it RCPM will be Big Endian (default case). + - fsl,ippdexpcr-alt-addr : Must add the property for SoC LS1021A, + Must include n + 1 entries (n = #fsl,rcpm-wakeup-cells, such as: + #fsl,rcpm-wakeup-cells equal to 2, then must include 2 + 1 entries). + The first entry must be a link to the SCFG device node. + The non-first entry must be offset of registers of SCFG. Example: The RCPM node for T4240: @@ -43,6 +48,15 @@ The RCPM node for T4240: #fsl,rcpm-wakeup-cells = <2>; }; +The RCPM node for LS1021A: + rcpm: rcpm@1ee2140 { + compatible = "fsl,ls1021a-rcpm", "fsl,qoriq-rcpm-2.1+"; + reg = <0x0 0x1ee2140 0x0 0x8>; + #fsl,rcpm-wakeup-cells = <2>; + fsl,ippdexpcr-alt-addr = <&scfg 0x0 0x51c>; /* SCFG_SPARECR8 */ + }; + + * Freescale RCPM Wakeup Source Device Tree Bindings ------------------------------------------- Required fsl,rcpm-wakeup property should be added to a device node if the device -- 2.17.1