Add Amlogic Meson pinctrl binding. Tested with make targets dt_binding_check and dtbs_check. Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> --- .../pinctrl/amlogic,meson-pinctrl.yaml | 121 ++++++++++++++++++ .../bindings/pinctrl/meson,pinctrl.txt | 94 -------------- 2 files changed, 121 insertions(+), 94 deletions(-) create mode 100644 Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml delete mode 100644 Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt diff --git a/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml new file mode 100644 index 000000000..afdf4dade --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/amlogic,meson-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Meson pinmux controller + +maintainers: + - Neil Armstrong <neil.armstrong@xxxxxxxxxx> + +allOf: + - $ref: pinctrl.yaml# + +properties: + compatible: + enum: + - amlogic,meson8-cbus-pinctrl + - amlogic,meson8b-cbus-pinctrl + - amlogic,meson8m2-cbus-pinctrl + - amlogic,meson8-aobus-pinctrl + - amlogic,meson8b-aobus-pinctrl + - amlogic,meson8m2-aobus-pinctrl + - amlogic,meson-gxbb-periphs-pinctrl + - amlogic,meson-gxbb-aobus-pinctrl + - amlogic,meson-gxl-periphs-pinctrl + - amlogic,meson-gxl-aobus-pinctrl + - amlogic,meson-axg-periphs-pinctrl + - amlogic,meson-axg-aobus-pinctrl + - amlogic,meson-g12a-periphs-pinctrl + - amlogic,meson-g12a-aobus-pinctrl + - amlogic,meson-a1-periphs-pinctrl + - amlogic,meson-s4-periphs-pinctrl + + ranges: true + + "#address-cells": + const: 2 + + "#size-cells": + const: 2 + +required: + - compatible + - ranges + - "#address-cells" + - "#size-cells" + +additionalProperties: + anyOf: + - type: object + allOf: + - $ref: pincfg-node.yaml# + - $ref: pinmux-node.yaml# + +patternProperties: + "^bank@[0-9]$": + type: object + properties: + reg: + minItems: 5 + maxItems: 5 + + reg-names: + items: + - const: gpio + - const: pull + - const: pull-enable + - const: mux + - const: ds + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: + $ref: /schemas/types.yaml#/definitions/phandle + + required: + - reg + - reg-names + - gpio-controller + - "#gpio-cells" + - gpio-ranges + +examples: + - | + bus@34400 { + reg = <0x0 0x34400 0x0 0x400>; + #address-cells = <2>; + #size-cells = <2>; + + pinctrl@40 { + compatible = "amlogic,meson-g12a-periphs-pinctrl"; + #address-cells = <2>; + #size-cells = <2>; + /* avoid "unit has no reg or ranges property" warning */ + ranges = <0x0 0x0 0x0 0x34400 0x0 0x100>; + + bank@40 { + reg = <0x0 0x40 0x0 0x4c>, + <0x0 0xe8 0x0 0x18>, + <0x0 0x120 0x0 0x18>, + <0x0 0x2c0 0x0 0x40>, + <0x0 0x340 0x0 0x1c>; + reg-names = "gpio", "pull", "pull-enable", "mux", "ds"; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&periphs_pinctrl 0 0 86>; + }; + + cec_ao_a_h_pins: cec_ao_a_h { + mux { + groups = "cec_ao_a_h"; + function = "cec_ao_a_h"; + bias-disable; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt deleted file mode 100644 index 8146193bd..000000000 --- a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt +++ /dev/null @@ -1,94 +0,0 @@ -== Amlogic Meson pinmux controller == - -Required properties for the root node: - - compatible: one of "amlogic,meson8-cbus-pinctrl" - "amlogic,meson8b-cbus-pinctrl" - "amlogic,meson8m2-cbus-pinctrl" - "amlogic,meson8-aobus-pinctrl" - "amlogic,meson8b-aobus-pinctrl" - "amlogic,meson8m2-aobus-pinctrl" - "amlogic,meson-gxbb-periphs-pinctrl" - "amlogic,meson-gxbb-aobus-pinctrl" - "amlogic,meson-gxl-periphs-pinctrl" - "amlogic,meson-gxl-aobus-pinctrl" - "amlogic,meson-axg-periphs-pinctrl" - "amlogic,meson-axg-aobus-pinctrl" - "amlogic,meson-g12a-periphs-pinctrl" - "amlogic,meson-g12a-aobus-pinctrl" - "amlogic,meson-a1-periphs-pinctrl" - "amlogic,meson-s4-periphs-pinctrl" - - reg: address and size of registers controlling irq functionality - -=== GPIO sub-nodes === - -The GPIO bank for the controller is represented as a sub-node and it acts as a -GPIO controller. - -Required properties for sub-nodes are: - - reg: should contain a list of address and size, one tuple for each entry - in reg-names. - - reg-names: an array of strings describing the "reg" entries. - Must contain "mux" and "gpio". - May contain "pull", "pull-enable" and "ds" when appropriate. - - gpio-controller: identifies the node as a gpio controller - - #gpio-cells: must be 2 - -=== Other sub-nodes === - -Child nodes without the "gpio-controller" represent some desired -configuration for a pin or a group. Those nodes can be pinmux nodes or -configuration nodes. - -Required properties for pinmux nodes are: - - groups: a list of pinmux groups. The list of all available groups - depends on the SoC and can be found in driver sources. - - function: the name of a function to activate for the specified set - of groups. The list of all available functions depends on the SoC - and can be found in driver sources. - -Required properties for configuration nodes: - - pins: a list of pin names - -Configuration nodes support the following generic properties, as -described in file pinctrl-bindings.txt: - - "bias-disable" - - "bias-pull-up" - - "bias-pull-down" - - "output-enable" - - "output-disable" - - "output-low" - - "output-high" - -Optional properties : - - drive-strength-microamp: Drive strength for the specified pins in uA. - This property is only valid for G12A and newer. - -=== Example === - - pinctrl: pinctrl@c1109880 { - compatible = "amlogic,meson8-cbus-pinctrl"; - reg = <0xc1109880 0x10>; - #address-cells = <1>; - #size-cells = <1>; - ranges; - - gpio: banks@c11080b0 { - reg = <0xc11080b0 0x28>, - <0xc11080e8 0x18>, - <0xc1108120 0x18>, - <0xc1108030 0x30>; - reg-names = "mux", "pull", "pull-enable", "gpio"; - gpio-controller; - #gpio-cells = <2>; - }; - - nand { - mux { - groups = "nand_io", "nand_io_ce0", "nand_io_ce1", - "nand_io_rb0", "nand_ale", "nand_cle", - "nand_wen_clk", "nand_ren_clk", "nand_dqs", - "nand_ce2", "nand_ce3"; - function = "nand"; - }; - }; - }; -- 2.39.1
