diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/powerpc/fsl/ecm.txt | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/powerpc/fsl/ecm.txt')
-rw-r--r-- | Documentation/devicetree/bindings/powerpc/fsl/ecm.txt | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/ecm.txt b/Documentation/devicetree/bindings/powerpc/fsl/ecm.txt new file mode 100644 index 000000000..76dc547bc --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/fsl/ecm.txt @@ -0,0 +1,60 @@ +===================================================================== +E500 LAW & Coherency Module Device Tree Binding +Copyright (C) 2009 Freescale Semiconductor Inc. +===================================================================== + +Local Access Window (LAW) Node + +The LAW node represents the region of CCSR space where local access +windows are configured. For ECM based devices this is the first 4k +of CCSR space that includes CCSRBAR, ALTCBAR, ALTCAR, BPTR, and some +number of local access windows as specified by fsl,num-laws. + +PROPERTIES + + - compatible + Usage: required + Value type: <string> + Definition: Must include "fsl,ecm-law" + + - reg + Usage: required + Value type: <prop-encoded-array> + Definition: A standard property. The value specifies the + physical address offset and length of the CCSR space + registers. + + - fsl,num-laws + Usage: required + Value type: <u32> + Definition: The value specifies the number of local access + windows for this device. + +===================================================================== + +E500 Coherency Module Node + +The E500 LAW node represents the region of CCSR space where ECM config +and error reporting registers exist, this is the second 4k (0x1000) +of CCSR space. + +PROPERTIES + + - compatible + Usage: required + Value type: <string> + Definition: Must include "fsl,CHIP-ecm", "fsl,ecm" where + CHIP is the processor (mpc8572, mpc8544, etc.) + + - reg + Usage: required + Value type: <prop-encoded-array> + Definition: A standard property. The value specifies the + physical address offset and length of the CCSR space + registers. + + - interrupts + Usage: required + Value type: <prop-encoded-array> + +===================================================================== |