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| author | Mark Brown <broonie@kernel.org> | 2026-05-29 23:00:42 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-05-29 23:00:42 +0100 |
| commit | 7424f4cf73b1b910ae6e26fda24ca83e09c7f9dd (patch) | |
| tree | 94c361708dd80c25434880c72616da48c1dc5713 /Documentation | |
| parent | 67d60349e1f7ddf021a7c70734347261a3047ffc (diff) | |
| parent | 3c310d945b9490b3417eba7d58d7c7fbb3156081 (diff) | |
| download | linux-next-history-7424f4cf73b1b910ae6e26fda24ca83e09c7f9dd.tar.gz | |
Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga.git
Diffstat (limited to 'Documentation')
7 files changed, 208 insertions, 29 deletions
diff --git a/Documentation/devicetree/bindings/fpga/altera-pr-ip.txt b/Documentation/devicetree/bindings/fpga/altera-pr-ip.txt deleted file mode 100644 index 52a294cf27305..0000000000000 --- a/Documentation/devicetree/bindings/fpga/altera-pr-ip.txt +++ /dev/null @@ -1,12 +0,0 @@ -Altera Arria10 Partial Reconfiguration IP - -Required properties: -- compatible : should contain "altr,a10-pr-ip" -- reg : base address and size for memory mapped io. - -Example: - - fpga_mgr: fpga-mgr@ff20c000 { - compatible = "altr,a10-pr-ip"; - reg = <0xff20c000 0x10>; - }; diff --git a/Documentation/devicetree/bindings/fpga/altera-socfpga-fpga-mgr.txt b/Documentation/devicetree/bindings/fpga/altera-socfpga-fpga-mgr.txt deleted file mode 100644 index d52f3340414d0..0000000000000 --- a/Documentation/devicetree/bindings/fpga/altera-socfpga-fpga-mgr.txt +++ /dev/null @@ -1,17 +0,0 @@ -Altera SOCFPGA FPGA Manager - -Required properties: -- compatible : should contain "altr,socfpga-fpga-mgr" -- reg : base address and size for memory mapped io. - - The first index is for FPGA manager register access. - - The second index is for writing FPGA configuration data. -- interrupts : interrupt for the FPGA Manager device. - -Example: - - hps_0_fpgamgr: fpgamgr@ff706000 { - compatible = "altr,socfpga-fpga-mgr"; - reg = <0xFF706000 0x1000 - 0xFFB90000 0x1000>; - interrupts = <0 175 4>; - }; diff --git a/Documentation/devicetree/bindings/fpga/altr,a10-pr-ip.yaml b/Documentation/devicetree/bindings/fpga/altr,a10-pr-ip.yaml new file mode 100644 index 0000000000000..1f4df40308bd0 --- /dev/null +++ b/Documentation/devicetree/bindings/fpga/altr,a10-pr-ip.yaml @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/fpga/altr,a10-pr-ip.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Altera Arria10 Partial Reconfiguration IP + +maintainers: + - Matthew Gerlach <matthew.gerlach@linux.intel.com> + +description: + The Altera Arria 10 Partial Reconfiguration IP core allows the host + processor to perform partial reconfiguration of the FPGA fabric. + +properties: + compatible: + const: altr,a10-pr-ip + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + fpga-mgr@ff20c000 { + compatible = "altr,a10-pr-ip"; + reg = <0xff20c000 0x10>; + }; diff --git a/Documentation/devicetree/bindings/fpga/altr,socfpga-fpga-mgr.yaml b/Documentation/devicetree/bindings/fpga/altr,socfpga-fpga-mgr.yaml new file mode 100644 index 0000000000000..9bcc1200d61d0 --- /dev/null +++ b/Documentation/devicetree/bindings/fpga/altr,socfpga-fpga-mgr.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/fpga/altr,socfpga-fpga-mgr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Altera SOCFPGA FPGA Manager + +maintainers: + - Steffen Trumtrar <s.trumtrar@pengutronix.de> + +properties: + compatible: + const: altr,socfpga-fpga-mgr + + reg: + items: + - description: FPGA manager register access + - description: Writing FPGA configuration data + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + fpgamgr@ff706000 { + compatible = "altr,socfpga-fpga-mgr"; + reg = <0xff706000 0x1000>, + <0xffb90000 0x1000>; + interrupts = <0 175 4>; + }; diff --git a/Documentation/devicetree/bindings/fpga/efinix,trion-config.yaml b/Documentation/devicetree/bindings/fpga/efinix,trion-config.yaml new file mode 100644 index 0000000000000..7c7444ff9c3ad --- /dev/null +++ b/Documentation/devicetree/bindings/fpga/efinix,trion-config.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/fpga/efinix,trion-config.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Efinix SPI FPGA Manager + +maintainers: + - Ian Dannapel <iansdannapel@gmail.com> + +description: | + Efinix FPGAs (Trion, Topaz, and Titanium families) support loading bitstreams + through "SPI Passive Mode". + Additional pin hogs for bus width configuration should be set + elsewhere, if necessary. + + References: + - https://www.efinixinc.com/docs/an006-configuring-trion-fpgas-v6.3.pdf + - https://www.efinixinc.com/docs/an033-configuring-titanium-fpgas-v2.8.pdf + - https://www.efinixinc.com/docs/an061-configuring-topaz-fpgas-v1.1.pdf + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - efinix,titanium-config + - efinix,topaz-config + - const: efinix,trion-config + - const: efinix,trion-config + + spi-cpha: true + + spi-cpol: true + + spi-max-frequency: + maximum: 25000000 + + reg: + maxItems: 1 + + reset-gpios: + description: + reset and re-configuration trigger pin (low active) + maxItems: 1 + + cdone-gpios: + description: + optional configuration done status pin (high active) + maxItems: 1 + +required: + - compatible + - reg + - reset-gpios + - spi-cpha + - spi-cpol + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>; + fpga-mgr@0 { + compatible = "efinix,trion-config"; + reg = <0>; + spi-max-frequency = <25000000>; + spi-cpha; + spi-cpol; + reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>; + cdone-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>; + }; + }; + - | + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>; + fpga-mgr@0 { + compatible = "efinix,titanium-config", "efinix,trion-config"; + reg = <0>; + spi-max-frequency = <25000000>; + spi-cpha; + spi-cpol; + reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>; + cdone-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/fpga/technologic,ts7300-fpga.yaml b/Documentation/devicetree/bindings/fpga/technologic,ts7300-fpga.yaml new file mode 100644 index 0000000000000..c93e3a1a135bb --- /dev/null +++ b/Documentation/devicetree/bindings/fpga/technologic,ts7300-fpga.yaml @@ -0,0 +1,36 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/fpga/technologic,ts7300-fpga.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Technologic Systems TS-7300 FPGA Manager + +maintainers: + - Florian Fainelli <f.fainelli@gmail.com> + +description: + FPGA manager for the Altera Cyclone II FPGA on Technologic Systems + TS-7300 board. The FPGA is programmed via the memory-mapped interface + implemented in the CPLD. + +properties: + compatible: + const: technologic,ts7300-fpga + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + fpga-mgr@13c00000 { + compatible = "technologic,ts7300-fpga"; + reg = <0x13c00000 0x2>; + }; +... diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 5815d190638d1..757029fcb2977 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -491,6 +491,8 @@ patternProperties: description: Emtop Embedded Solutions "^eeti,.*": description: eGalax_eMPIA Technology Inc + "^efinix,.*": + description: Efinix, Inc. "^egnite,.*": description: egnite GmbH "^einfochips,.*": |