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author | Tom Rini <trini@konsulko.com> | 2020-03-17 11:59:58 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2020-03-17 11:59:58 -0400 |
commit | 2738f0edea7d19960d692284d1f378b1a2b4c4a5 (patch) | |
tree | 47bc76ea90ab5395d30785b4aa83e43b15bc7a70 /doc/device-tree-bindings/misc | |
parent | b180e32ea39d03021655a31a19d527529a2eb980 (diff) | |
parent | 445b45042c63c79546124489362ba4e64b61bfdc (diff) | |
download | u-boot-2738f0edea7d19960d692284d1f378b1a2b4c4a5.tar.gz |
Merge tag 'ti-v2020.07-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-ti into nextWIP/17Mar2020
K3 J721E:
* OSPI boot support
* Support for loading remote cores in R5 SPL
* PMIC ESM Support
* Minor fixes for R5F and C7x remoteproc drivers
K3 AM654:
* Update AVS class 0 voltages.
* Add I2C nodes
DRA7xx/AM57xx:
* Fixed Android boot on AM57xx
AM33/AM43/Davinci:
* switch to driver model for the net and mdio driver for baltos
* Add DM/DTS support for omap video driver
* Enable fastboot on am335x-evm
Diffstat (limited to 'doc/device-tree-bindings/misc')
-rw-r--r-- | doc/device-tree-bindings/misc/esm-k3.txt | 25 | ||||
-rw-r--r-- | doc/device-tree-bindings/misc/esm-pmic.txt | 19 |
2 files changed, 44 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/misc/esm-k3.txt b/doc/device-tree-bindings/misc/esm-k3.txt new file mode 100644 index 0000000000..01c8b6b294 --- /dev/null +++ b/doc/device-tree-bindings/misc/esm-k3.txt @@ -0,0 +1,25 @@ +Texas Instruments K3 ESM Binding +====================== + +ESM (Error Signaling Module) is an IP block on TI K3 devices that allows +handling of safety events somewhat similar to what interrupt controller +would do. The safety signals have their separate paths within the SoC, +and they are handled by the ESM, which routes them to the proper +destination, which can be system reset, interrupt controller, etc. In +the simplest configuration the signals are just routed to reset the +SoC. + +Required properties : +- compatible : "ti,j721e-esm" +- ti,esm-pins : integer array of esm events IDs to route to external event + pin which can be used to reset the SoC. The array can + have arbitrary amount of event IDs listed on it. + +Example +======= + + main_esm: esm@700000 { + compatible = "ti,j721e-esm"; + reg = <0x0 0x700000 0x0 0x1000>; + ti,esm-pins = <344>, <345>; + }; diff --git a/doc/device-tree-bindings/misc/esm-pmic.txt b/doc/device-tree-bindings/misc/esm-pmic.txt new file mode 100644 index 0000000000..a60ad74679 --- /dev/null +++ b/doc/device-tree-bindings/misc/esm-pmic.txt @@ -0,0 +1,19 @@ +PMIC ESM Binding +====================== + +Certain Power Management ICs contain safety handling logic within them, +allowing automatic reset of the board in case a safety error is signaled. +For this purpose, ESM (Error Signal Monitor) is implemented within +the PMIC running its own state machine. + +Required properties : +- compatible : "ti,tps659413-esm" + +Example +======= + +&tps659413a { + esm: esm { + compatible = "ti,tps659413-esm"; + }; +}; |