From: Biwen Li <biwen.li@nxp•com>
To: leoyang.li@nxp•com, shawnguo@kernel•org, robh+dt@kernel•org,
mark.rutland@arm•com
Cc: devicetree@vger•kernel.org, linuxppc-dev@lists•ozlabs.org,
linux-kernel@vger•kernel.org,
linux-arm-kernel@lists•infradead.org, Biwen Li <biwen.li@nxp•com>
Subject: [3/3] Documentation: dt: binding: fsl: Add 'fsl,rcpm-scfg' property
Date: Mon, 16 Sep 2019 18:25:56 +0800 [thread overview]
Message-ID: <20190916102556.16655-3-biwen.li@nxp.com> (raw)
In-Reply-To: <20190916102556.16655-1-biwen.li@nxp.com>
The 'fsl,rcpm-scfg' property is used to fix a bug
that FlexTimer cannot wakeup system in deep sleep on LS1021A
Signed-off-by: Biwen Li <biwen.li@nxp•com>
---
.../devicetree/bindings/soc/fsl/rcpm.txt | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
index 5a33619d881d..31e22f092b51 100644
--- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
+++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
@@ -34,6 +34,12 @@ Chassis Version Example Chips
Optional properties:
- little-endian : RCPM register block is Little Endian. Without it RCPM
will be Big Endian (default case).
+ - fsl,rcpm-scfg : 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.
+ (Currently only support SoC LS1021A)
Example:
The RCPM node for T4240:
@@ -43,6 +49,15 @@ 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,rcpm-scfg = <&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
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next prev parent reply other threads:[~2019-09-16 10:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-16 10:25 [1/3] soc: fsl: fix that flextimer cannot wakeup system in deep sleep on LS1021A Biwen Li
2019-09-16 10:25 ` [2/3] arm: dts: ls1021a: fix that FlexTimer cannot wakeup system in deep sleep Biwen Li
2019-09-16 10:25 ` Biwen Li [this message]
2019-09-16 10:48 ` [1/3] soc: fsl: fix that flextimer cannot wakeup system in deep sleep on LS1021A Biwen Li
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