[3/3] Documentation: dt: binding: fsl: Add 'fsl,rcpm-scfg' property
From: Biwen Li <hidden>
Date: 2019-09-16 10:36:27
Also in:
linux-arm-kernel, linux-devicetree, lkml
Subsystem:
freescale soc drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Christophe Leroy, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> --- .../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
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2.17.1