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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
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linux-7.2.3/Documentation/devicetree/bindings/arm/stm32/st,mlahb.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/stm32/st,mlahb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 ML-AHB interconnect
maintainers:
- Fabien Dessenne <fabien.dessenne@foss.st.com>
- Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
description: |
These bindings describe the STM32 SoCs ML-AHB interconnect bus which connects
a Cortex-M subsystem with dedicated memories. The MCU SRAM and RETRAM memory
parts can be accessed through different addresses (see "RAM aliases" in [1])
using different buses (see [2]): balancing the Cortex-M firmware accesses
among those ports allows to tune the system performance.
[1]: https://www.st.com/resource/en/reference_manual/dm00327659.pdf
[2]: https://wiki.st.com/stm32mpu/wiki/STM32MP15_RAM_mapping
allOf:
- $ref: /schemas/simple-bus.yaml#
properties:
compatible:
contains:
enum:
- st,mlahb
dma-ranges:
description: |
Describe memory addresses translation between the local CPU and the
remote Cortex-M processor. Each memory region, is declared with
3 parameters:
- param 1: device base address (Cortex-M processor address)
- param 2: physical base address (local CPU address)
- param 3: size of the memory region.
maxItems: 3
'#address-cells':
const: 1
'#size-cells':
const: 1
required:
- compatible
- '#address-cells'
- '#size-cells'
- dma-ranges
unevaluatedProperties: false
examples:
- |
ahb {
compatible = "st,mlahb", "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges;
dma-ranges = <0x00000000 0x38000000 0x10000>,
<0x10000000 0x10000000 0x60000>,
<0x30000000 0x30000000 0x60000>;
m4_rproc: m4@10000000 {
reg = <0x10000000 0x40000>;
};
};
...
linux-7.2.3/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/stm32/st,stm32-syscon.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 Platforms System Controller
maintainers:
- Alexandre Torgue <alexandre.torgue@foss.st.com>
- Christophe Roullier <christophe.roullier@foss.st.com>
properties:
compatible:
oneOf:
- items:
- enum:
- st,stm32-power-config
- st,stm32-syscfg
- st,stm32-tamp
- st,stm32f4-gcan
- st,stm32mp151-pwr-mcu
- st,stm32mp157-syscfg
- st,stm32mp21-syscfg
- st,stm32mp23-syscfg
- st,stm32mp25-syscfg
- const: syscon
- items:
- const: st,stm32-tamp
- const: syscon
- const: simple-mfd
reg:
maxItems: 1
clocks:
maxItems: 1
"#clock-cells":
const: 0
required:
- compatible
- reg
allOf:
- if:
properties:
compatible:
contains:
enum:
- st,stm32mp157-syscfg
- st,stm32f4-gcan
then:
required:
- clocks
- if:
properties:
compatible:
const: st,stm32mp25-syscfg
then:
required:
- "#clock-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/stm32mp1-clks.h>
syscfg: syscon@50020000 {
compatible = "st,stm32mp157-syscfg", "syscon";
reg = <0x50020000 0x400>;
clocks = <&rcc SYSCFG>;
};
...
linux-7.2.3/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/stm32/stm32.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 Platforms
maintainers:
- Alexandre Torgue <alexandre.torgue@foss.st.com>
properties:
$nodename:
const: "/"
compatible:
oneOf:
- description: emtrion STM32MP1 Argon based Boards
items:
- const: emtrion,stm32mp157c-emsbc-argon
- const: emtrion,stm32mp157c-emstamp-argon
- const: st,stm32mp157
- items:
- enum:
- st,stm32f429i-disco
- st,stm32429i-eval
- const: st,stm32f429
- items:
- enum:
- st,stm32f469i-disco
- const: st,stm32f469
- items:
- enum:
- st,stm32f746-disco
- st,stm32746g-eval
- const: st,stm32f746
- items:
- enum:
- st,stm32f769-disco
- const: st,stm32f769
- items:
- enum:
- st,stm32h743i-disco
- st,stm32h743i-eval
- const: st,stm32h743
- items:
- enum:
- st,stm32h747i-disco
- const: st,stm32h747
- items:
- enum:
- st,stm32h750i-art-pi
- const: st,stm32h750
- items:
- enum:
- st,stm32mp135f-dk
- const: st,stm32mp135
- description: ST STM32MP133 based Boards
items:
- enum:
- pri,prihmb # Priva E-Measuringbox board
- const: st,stm32mp133
- description: ST STM32MP151 based Boards
items:
- enum:
- ply,plyaqm # Plymovent AQM board
- prt,mecio1r0 # Protonic MECIO1r0
- prt,mect1s # Protonic MECT1S
- prt,prtt1a # Protonic PRTT1A
- prt,prtt1c # Protonic PRTT1C
- prt,prtt1s # Protonic PRTT1S
- const: st,stm32mp151
- description: DH STM32MP135 DHCOR SoM based Boards
items:
- const: dh,stm32mp135f-dhcor-dhsbc
- const: dh,stm32mp135f-dhcor-som
- const: st,stm32mp135
- description: DH STM32MP151 DHCOR SoM based Boards
items:
- const: dh,stm32mp151a-dhcor-testbench
- const: dh,stm32mp151a-dhcor-som
- const: st,stm32mp151
- description: ST STM32MP153 based Boards
items:
- enum:
- prt,mecio1r1 # Protonic MECIO1r1
- const: st,stm32mp153
- description: DH STM32MP153 DHCOM SoM based Boards
items:
- const: dh,stm32mp153c-dhcom-drc02
- const: dh,stm32mp153c-dhcom-som
- const: st,stm32mp153
- description: DH STM32MP153 DHCOR SoM based Boards
items:
- const: dh,stm32mp153c-dhcor-drc-compact
- const: dh,stm32mp153c-dhcor-som
- const: st,stm32mp153
- description: Octavo OSD32MP153 System-in-Package based boards
items:
- enum:
- lxa,stm32mp153c-fairytux2-gen1 # Linux Automation FairyTux 2 (Generation 1)
- lxa,stm32mp153c-fairytux2-gen2 # Linux Automation FairyTux 2 (Generation 2)
- lxa,stm32mp153c-tac-gen3 # Linux Automation TAC (Generation 3)
- const: oct,stm32mp153x-osd32
- const: st,stm32mp153
- items:
- enum:
- shiratech,stm32mp157a-iot-box # IoT Box
- shiratech,stm32mp157a-stinger96 # Stinger96
- st,stm32mp157c-ed1
- st,stm32mp157c-ed1-scmi
- st,stm32mp157a-dk1
- st,stm32mp157a-dk1-scmi
- st,stm32mp157c-dk2
- st,stm32mp157c-dk2-scmi
- st,stm32mp157f-dk2
- const: st,stm32mp157
- items:
- const: st,stm32mp157c-ev1
- const: st,stm32mp157c-ed1
- const: st,stm32mp157
- items:
- const: st,stm32mp157c-ev1-scmi
- const: st,stm32mp157c-ed1
- const: st,stm32mp157
- description: DH STM32MP1 SoM based Boards
items:
- enum:
- arrow,stm32mp157a-avenger96 # Avenger96
- const: dh,stm32mp157a-dhcor-som
- const: st,stm32mp157
- description: DH STM32MP1 SoM based Boards
items:
- enum:
- dh,stm32mp157c-dhcom-pdk2
- dh,stm32mp157c-dhcom-picoitx
- const: dh,stm32mp157c-dhcom-som
- const: st,stm32mp157
- description: Engicam i.Core STM32MP1 SoM based Boards
items:
- enum:
- engicam,icore-stm32mp1-ctouch2 # STM32MP1 Engicam i.Core STM32MP1 C.TOUCH 2.0
- engicam,icore-stm32mp1-ctouch2-of10 # STM32MP1 Engicam i.Core STM32MP1 C.TOUCH 2.0 10.1" OF
- engicam,icore-stm32mp1-edimm2.2 # STM32MP1 Engicam i.Core STM32MP1 EDIMM2.2 Starter Kit
- const: engicam,icore-stm32mp1 # STM32MP1 Engicam i.Core STM32MP1 SoM
- const: st,stm32mp157
- description: Engicam MicroGEA STM32MP1 SoM based Boards
items:
- enum:
- engicam,microgea-stm32mp1-microdev2.0
- engicam,microgea-stm32mp1-microdev2.0-of7
- const: engicam,microgea-stm32mp1
- const: st,stm32mp157
- description: Octavo OSD32MP15x System-in-Package based boards
items:
- enum:
- lxa,stm32mp157c-mc1 # Linux Automation MC-1
- lxa,stm32mp157c-tac-gen1 # Linux Automation TAC (Generation 1)
- lxa,stm32mp157c-tac-gen2 # Linux Automation TAC (Generation 2)
- oct,stm32mp157c-osd32-red # Octavo OSD32MP1 RED board
- const: oct,stm32mp15xx-osd32
- enum:
- st,stm32mp157
- description: Odyssey STM32MP1 SoM based Boards
items:
- enum:
- seeed,stm32mp157c-odyssey
- const: seeed,stm32mp157c-odyssey-som
- const: st,stm32mp157
- description: Phytec STM32MP157 SoM based Boards
items:
- enum:
- phytec,phycore-stm32mp1-3 # phyBOARD-Sargas with phyCORE-STM32MP157C SoM
- enum:
- phytec,phycore-stm32mp157c-som # phyCORE-STM32MP157C SoM
- const: st,stm32mp157
- description: Ultratronik STM32MP1 SBC based Boards
items:
- const: ultratronik,stm32mp157c-ultra-fly-sbc
- const: st,stm32mp157
- description: ST STM32MP257 based Boards
items:
- enum:
- st,stm32mp257f-dk
- st,stm32mp257f-ev1
- const: st,stm32mp257
- description: ST STM32MP235 based Boards
items:
- enum:
- st,stm32mp235f-dk
- const: st,stm32mp235
- description: ST STM32MP215 based Boards
items:
- enum:
- st,stm32mp215f-dk
- const: st,stm32mp215
additionalProperties: true
...