Re: [PATCH v2 10/12] dt-bindings: memory-controllers: Add fsl,elbc-gpcm-uio
From: Frank Li <Frank.li@nxp.com>
Date: 2025-02-10 19:45:29
Also in:
dmaengine, imx, linux-crypto, linux-devicetree, linux-ide, linux-pci, linux-spi, linux-watchdog, lkml
On Fri, Feb 07, 2025 at 10:30:27PM +0100, J. Neuschäfer via B4 Relay wrote:
From: "J. Neuschäfer" <redacted> Formalize the binding already supported by the uio_fsl_elbc_gpcm.c driver. Signed-off-by: J. Neuschäfer <redacted>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
quoted hunk ↗ jump to hunk
--- V2: - split out from fsl,elbc patch - add description - remove "device_type" property - move to bindings/memory-controllers --- .../memory-controllers/fsl,elbc-gpcm-uio.yaml | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+)diff --git a/Documentation/devicetree/bindings/memory-controllers/fsl,elbc-gpcm-uio.yaml b/Documentation/devicetree/bindings/memory-controllers/fsl,elbc-gpcm-uio.yaml new file mode 100644 index 0000000000000000000000000000000000000000..381584b400a0ad98c6d9e0b38f2877d44603ed84 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/fsl,elbc-gpcm-uio.yaml@@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/fsl,elbc-gpcm-uio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Userspace I/O interface for Freescale eLBC devices + +description: + The Freescale Enhanced Local Bus controller (eLBC) supports flexible access + to memory devices, through the General-Purpose Chip-select Machine (GPCM). + The purpose of this binding is to designate devices attached to eLBC/GPMC for + use by userspace. + +maintainers: + - J. Neuschäfer <j.ne@posteo.net> + +properties: + compatible: + const: fsl,elbc-gpcm-uio + + reg: + maxItems: 1 + + elbc-gpcm-br: + description: Base Register (BR) value to set + $ref: /schemas/types.yaml#/definitions/uint32 + + elbc-gpcm-or: + description: Option Register (OR) value to set + $ref: /schemas/types.yaml#/definitions/uint32 + + interrupts: + maxItems: 1 + + uio_name: + $ref: /schemas/types.yaml#/definitions/string + +required: + - compatible + - reg + - elbc-gpcm-br + - elbc-gpcm-or + +additionalProperties: false + +examples: + - | + localbus { + #address-cells = <2>; + #size-cells = <1>; + + simple-periph@2,0 { + compatible = "fsl,elbc-gpcm-uio"; + reg = <0x2 0x0 0x10000>; + elbc-gpcm-br = <0xfd810800>; + elbc-gpcm-or = <0xffff09f7>; + }; + }; --2.48.0.rc1.219.gb6b6757d772