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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/arm/omap/mpu.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/arm/omap/mpu.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/omap/mpu.txt b/Documentation/devicetree/bindings/arm/omap/mpu.txt new file mode 100644 index 000000000..e41490e69 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/mpu.txt @@ -0,0 +1,54 @@ +* TI - MPU (Main Processor Unit) subsystem + +The MPU subsystem contain one or several ARM cores +depending of the version. +The MPU contain CPUs, GIC, L2 cache and a local PRCM. + +Required properties: +- compatible : Should be "ti,omap3-mpu" for OMAP3 + Should be "ti,omap4-mpu" for OMAP4 + Should be "ti,omap5-mpu" for OMAP5 +- ti,hwmods: "mpu" + +Optional properties: +- sram: Phandle to the ocmcram node + +am335x and am437x only: +- pm-sram: Phandles to ocmcram nodes to be used for power management. + First should be type 'protect-exec' for the driver to use to copy + and run PM functions, second should be regular pool to be used for + data region for code. See Documentation/devicetree/bindings/sram/sram.yaml + for more details. + +Examples: + +- For an OMAP5 SMP system: + +mpu { + compatible = "ti,omap5-mpu"; + ti,hwmods = "mpu" +}; + +- For an OMAP4 SMP system: + +mpu { + compatible = "ti,omap4-mpu"; + ti,hwmods = "mpu"; +}; + + +- For an OMAP3 monocore system: + +mpu { + compatible = "ti,omap3-mpu"; + ti,hwmods = "mpu"; +}; + +- For an AM335x system: + +mpu { + compatible = "ti,omap3-mpu"; + ti,hwmods = "mpu"; + pm-sram = <&pm_sram_code + &pm_sram_data>; +}; |