From 68cd8ef484521a01826735518f173c4ae3900eff Mon Sep 17 00:00:00 2001 From: Akhila YS Date: Thu, 22 Jan 2026 16:23:04 +0000 Subject: [PATCH] dt-bindings: mtd: st,spear600-smi: convert to DT schema Convert STMicroelectronics SPEAr600 Serial Memory Interface (SMI) Controller binding to YAML format. Signed-off-by: Akhila YS Acked-by: Conor Dooley Signed-off-by: Miquel Raynal --- .../devicetree/bindings/mtd/spear_smi.txt | 29 -------- .../bindings/mtd/st,spear600-smi.yaml | 72 +++++++++++++++++++ 2 files changed, 72 insertions(+), 29 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mtd/spear_smi.txt create mode 100644 Documentation/devicetree/bindings/mtd/st,spear600-smi.yaml diff --git a/Documentation/devicetree/bindings/mtd/spear_smi.txt b/Documentation/devicetree/bindings/mtd/spear_smi.txt deleted file mode 100644 index c41873e92d264..0000000000000 --- a/Documentation/devicetree/bindings/mtd/spear_smi.txt +++ /dev/null @@ -1,29 +0,0 @@ -* SPEAr SMI - -Required properties: -- compatible : "st,spear600-smi" -- reg : Address range of the mtd chip -- #address-cells, #size-cells : Must be present if the device has sub-nodes - representing partitions. -- interrupts: Should contain the STMMAC interrupts -- clock-rate : Functional clock rate of SMI in Hz - -Optional properties: -- st,smi-fast-mode : Flash supports read in fast mode - -Example: - - smi: flash@fc000000 { - compatible = "st,spear600-smi"; - #address-cells = <1>; - #size-cells = <1>; - reg = <0xfc000000 0x1000>; - interrupt-parent = <&vic1>; - interrupts = <12>; - clock-rate = <50000000>; /* 50MHz */ - - flash@f8000000 { - st,smi-fast-mode; - ... - }; - }; diff --git a/Documentation/devicetree/bindings/mtd/st,spear600-smi.yaml b/Documentation/devicetree/bindings/mtd/st,spear600-smi.yaml new file mode 100644 index 0000000000000..8fe27aae75279 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/st,spear600-smi.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/st,spear600-smi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics SPEAr600 Serial Memory Interface (SMI) Controller + +maintainers: + - Richard Weinberger + +description: + The SPEAr600 Serial Memory Interface (SMI) is a dedicated serial flash + controller supporting up to four chip selects for serial NOR flashes + connected in parallel. The controller is memory-mapped and the attached + flash devices appear in the CPU address space.The driver + (drivers/mtd/devices/spear_smi.c) probes the attached flashes + dynamically by sending commands (e.g., RDID) to each bank. + Flash sub nodes describe the memory range and optional per-flash + properties. + +allOf: + - $ref: mtd.yaml# + +properties: + compatible: + const: st,spear600-smi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + clock-rate: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Functional clock rate of the SMI controller in Hz. + + st,smi-fast-mode: + type: boolean + description: Indicates that the attached flash supports fast read mode. + +required: + - compatible + - reg + - clock-rate + +unevaluatedProperties: false + +examples: + - | + flash@fc000000 { + compatible = "st,spear600-smi"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xfc000000 0x1000>; + interrupt-parent = <&vic1>; + interrupts = <12>; + clock-rate = <50000000>; /* 50 MHz */ + + flash@f8000000 { + reg = <0xfc000000 0x1000>; + st,smi-fast-mode; + }; + }; +... -- 2.47.3