diff options
author | Biwen Li <biwen.li@nxp.com> | 2019-09-14 13:02:45 +0800 |
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committer | Biwen Li <biwen.li@nxp.com> | 2019-12-05 12:06:23 +0800 |
commit | a07a8e2d3882ffcf3f5fbf93f9c8d460a9f28e31 (patch) | |
tree | eb7e4233d9542d04a98edbb9d3a70ded88cf9e59 /Documentation/devicetree/bindings/soc/fsl | |
parent | 698ce681b3617137c0c7e03ba94009d21b8cab6f (diff) |
Documentation: dt: binding: fsl: Add 'fsl,ippdexpcr1-alt-addr' property
The 'fsl,ippdexpcr1-alt-addr' property is used to handle an errata A-008646
on LS1021A
Reviewed-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/soc/fsl')
-rw-r--r-- | Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt index 5a33619d881d..751a7655b694 100644 --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt @@ -34,6 +34,13 @@ Chassis Version Example Chips Optional properties: - little-endian : RCPM register block is Little Endian. Without it RCPM will be Big Endian (default case). + - fsl,ippdexpcr1-alt-addr : The property is related to a hardware issue + on SoC LS1021A and only needed on SoC LS1021A. + Must include 1 + 2 entries. + The first entry must be a link to the SCFG device node. + The non-first entry must be offset of registers of SCFG. + The second and third entry compose an alt offset address + for IPPDEXPCR1(SCFG_SPARECR8) Example: The RCPM node for T4240: @@ -43,6 +50,20 @@ 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>; + + /* + * The second and third entry compose an alt offset + * address for IPPDEXPCR1(SCFG_SPARECR8) + */ + fsl,ippdexpcr1-alt-addr = <&scfg 0x0 0x51c>; + }; + + * Freescale RCPM Wakeup Source Device Tree Bindings ------------------------------------------- Required fsl,rcpm-wakeup property should be added to a device node if the device |