From f7c636be96a151ce86f9291bed31145b61e50261 Mon Sep 17 00:00:00 2001 From: Ryan Wanner Date: Mon, 14 Apr 2025 14:41:24 -0700 Subject: [PATCH] dt-bindings: mfd: syscon: atmel,sama5d2-secumod: Convert to yaml Convert Microchip AT91 secumod to YAML format. Signed-off-by: Ryan Wanner Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/a999a719a652ec834f1176d69a3e9b207cbd63e6.1744666011.git.Ryan.Wanner@microchip.com Signed-off-by: Lee Jones --- .../bindings/arm/atmel,sama5d2-secumod.yaml | 48 +++++++++++++++++++ .../devicetree/bindings/arm/atmel-sysregs.txt | 25 ---------- 2 files changed, 48 insertions(+), 25 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/atmel,sama5d2-secumod.yaml diff --git a/Documentation/devicetree/bindings/arm/atmel,sama5d2-secumod.yaml b/Documentation/devicetree/bindings/arm/atmel,sama5d2-secumod.yaml new file mode 100644 index 000000000000..b1f766e333d4 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/atmel,sama5d2-secumod.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/atmel,sama5d2-secumod.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip AT91 Security Module (SECUMOD) + +maintainers: + - Nicolas Ferre + +description: + The Security Module also offers the PIOBU pins which can be used as GPIO pins. + Note that they maintain their voltage during Backup/Self-refresh. + +properties: + compatible: + oneOf: + - items: + - const: atmel,sama5d2-secumod + - const: syscon + - items: + - enum: + - microchip,sama7g5-secumod + - const: atmel,sama5d2-secumod + - const: syscon + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + security-module@fc040000 { + compatible = "atmel,sama5d2-secumod", "syscon"; + reg = <0xfc040000 0x100>; + gpio-controller; + #gpio-cells = <2>; + }; diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index d3821f651e72..5ce54f9befe6 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -46,28 +46,3 @@ Examples: reg = <0xffffe800 0x200>; }; -Security Module (SECUMOD) - -The Security Module macrocell provides all necessary secure functions to avoid -voltage, temperature, frequency and mechanical attacks on the chip. It also -embeds secure memories that can be scrambled. - -The Security Module also offers the PIOBU pins which can be used as GPIO pins. -Note that they maintain their voltage during Backup/Self-refresh. - -required properties: -- compatible: Should be "atmel,-secumod", "syscon". - can be "sama5d2". -- reg: Should contain registers location and length -- gpio-controller: Marks the port as GPIO controller. -- #gpio-cells: There are 2. The pin number is the - first, the second represents additional - parameters such as GPIO_ACTIVE_HIGH/LOW. - - - secumod@fc040000 { - compatible = "atmel,sama5d2-secumod", "syscon"; - reg = <0xfc040000 0x100>; - gpio-controller; - #gpio-cells = <2>; - }; -- 2.50.1