From f710b49e3c45ee2eae949f7cead736ba25c6ccf1 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 26 Aug 2020 06:36:49 +0200 Subject: dt-bindings: convert spmi.txt to spmi.yaml Convert the SPMI bus documentation to JSON/yaml. Signed-off-by: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/ee4c4ca9f29a39f6af772b3a526a996176499da3.1598415179.git.mchehab+huawei@kernel.org [robh: Correct maintainer, unit-address should be hex] Signed-off-by: Rob Herring --- .../bindings/spmi/qcom,spmi-pmic-arb.txt | 4 +- Documentation/devicetree/bindings/spmi/spmi.txt | 41 ------------ Documentation/devicetree/bindings/spmi/spmi.yaml | 75 ++++++++++++++++++++++ 3 files changed, 77 insertions(+), 43 deletions(-) delete mode 100644 Documentation/devicetree/bindings/spmi/spmi.txt create mode 100644 Documentation/devicetree/bindings/spmi/spmi.yaml (limited to 'Documentation/devicetree/bindings/spmi') diff --git a/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt index e16b9b5afc70..ca645e21fe47 100644 --- a/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt +++ b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt @@ -7,8 +7,8 @@ devices to control a single SPMI master. The PMIC Arbiter can also act as an interrupt controller, providing interrupts to slave devices. -See spmi.txt for the generic SPMI controller binding requirements for child -nodes. +See Documentation/devicetree/bindings/spmi/spmi.yaml for the generic SPMI +controller binding requirements for child nodes. See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt for generic interrupt controller binding documentation. diff --git a/Documentation/devicetree/bindings/spmi/spmi.txt b/Documentation/devicetree/bindings/spmi/spmi.txt deleted file mode 100644 index 4bb10d161a27..000000000000 --- a/Documentation/devicetree/bindings/spmi/spmi.txt +++ /dev/null @@ -1,41 +0,0 @@ -System Power Management Interface (SPMI) Controller - -This document defines a generic set of bindings for use by SPMI controllers. A -controller is modelled in device tree as a node with zero or more child nodes, -each representing a unique slave on the bus. - -Required properties: -- #address-cells : must be set to 2 -- #size-cells : must be set to 0 - -Child nodes: - -An SPMI controller node can contain zero or more child nodes representing slave -devices on the bus. Child 'reg' properties are specified as an address, type -pair. The address must be in the range 0-15 (4 bits). The type must be one of -SPMI_USID (0) or SPMI_GSID (1) for Unique Slave ID or Group Slave ID respectively. -These are the identifiers "statically assigned by the system integrator", as -per the SPMI spec. - -Each child node must have one and only one 'reg' entry of type SPMI_USID. - -#include - - spmi@.. { - compatible = "..."; - reg = <...>; - - #address-cells = <2>; - #size-cells = <0>; - - child@0 { - compatible = "..."; - reg = <0 SPMI_USID>; - }; - - child@7 { - compatible = "..."; - reg = <7 SPMI_USID - 3 SPMI_GSID>; - }; - }; diff --git a/Documentation/devicetree/bindings/spmi/spmi.yaml b/Documentation/devicetree/bindings/spmi/spmi.yaml new file mode 100644 index 000000000000..0cfbf56ba825 --- /dev/null +++ b/Documentation/devicetree/bindings/spmi/spmi.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spmi/spmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: System Power Management Interface (SPMI) Controller + +maintainers: + - Stephen Boyd + +description: | + The System Power Management (SPMI) controller is a 2-wire bus defined + by the MIPI Alliance for power management control to be used on SoC designs. + + SPMI controllers are modelled in device tree using a generic set of + bindings defined here, plus any bus controller specific properties, if + needed. + + Each SPMI controller has zero or more child nodes (up to 16 ones), each + one representing an unique slave at the bus. + +properties: + $nodename: + pattern: "^spmi@.*" + + reg: + maxItems: 1 + + "#address-cells": + const: 2 + + "#size-cells": + const: 0 + +patternProperties: + "@[0-9a-f]$": + description: up to 16 child PMIC nodes + type: object + + properties: + reg: + minItems: 1 + maxItems: 2 + items: + - minimum: 0 + maximum: 0xf + - enum: [ 0 ] + description: | + 0 means user ID address. 1 is reserved for group ID address. + + required: + - reg + +required: + - reg + +examples: + - | + #include + + spmi@0 { + reg = <0 0>; + + #address-cells = <2>; + #size-cells = <0>; + + child@0 { + reg = <0 SPMI_USID>; + }; + + child@7 { + reg = <7 SPMI_USID>; + }; + }; -- cgit v1.2.3