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Diffstat (limited to 'Documentation/devicetree')
3 files changed, 79 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/litex,liteuart.yaml b/Documentation/devicetree/bindings/serial/litex,liteuart.yaml new file mode 100644 index 000000000000..bc79b3cca542 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/litex,liteuart.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause + +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/litex,liteuart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LiteUART serial controller + +maintainers: + - Karol Gugala <kgugala@antmicro.com> + - Mateusz Holenko <mholenko@antmicro.com> + +description: | + LiteUART serial controller is a part of the LiteX FPGA SoC builder. It supports + multiple CPU architectures, currently including e.g. OpenRISC and RISC-V. + +properties: + compatible: + const: litex,liteuart + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + +examples: + - | + uart0: serial@e0001800 { + compatible = "litex,liteuart"; + reg = <0xe0001800 0x100>; + interrupts = <2>; + }; diff --git a/Documentation/devicetree/bindings/soc/litex/litex,soc-controller.yaml b/Documentation/devicetree/bindings/soc/litex/litex,soc-controller.yaml new file mode 100644 index 000000000000..e2b788796e79 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/litex/litex,soc-controller.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +# Copyright 2020 Antmicro <www.antmicro.com> +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/litex/litex,soc-controller.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: LiteX SoC Controller driver + +description: | + This is the SoC Controller driver for the LiteX SoC Builder. + Its purpose is to verify LiteX CSR (Control&Status Register) access + operations and provide functions for other drivers to read/write CSRs + and to check if those accessors are ready to be used. + +maintainers: + - Karol Gugala <kgugala@antmicro.com> + - Mateusz Holenko <mholenko@antmicro.com> + +properties: + compatible: + const: litex,soc-controller + + reg: + maxItems: 1 + +required: + - compatible + - reg + +examples: + - | + soc_ctrl0: soc-controller@f0000000 { + compatible = "litex,soc-controller"; + reg = <0xf0000000 0xc>; + status = "okay"; + }; + +... diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 49e888a1467e..ffaf833b97ee 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -621,6 +621,8 @@ patternProperties: description: Linux-specific binding "^linx,.*": description: Linx Technologies + "^litex,.*": + description: LiteX SoC builder "^lltc,.*": description: Linear Technology Corporation "^logicpd,.*": |