1c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2c66ec88fSEmmanuel Vadot%YAML 1.2 3c66ec88fSEmmanuel Vadot--- 4*b97ee269SEmmanuel Vadot$id: http://devicetree.org/schemas/soc/microchip/atmel,at91rm9200-tcb.yaml# 5*b97ee269SEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6c66ec88fSEmmanuel Vadot 7c66ec88fSEmmanuel Vadottitle: Atmel Timer Counter Block 8c66ec88fSEmmanuel Vadot 9c66ec88fSEmmanuel Vadotmaintainers: 10c66ec88fSEmmanuel Vadot - Alexandre Belloni <alexandre.belloni@bootlin.com> 11c66ec88fSEmmanuel Vadot 12c66ec88fSEmmanuel Vadotdescription: | 13c66ec88fSEmmanuel Vadot The Atmel (now Microchip) SoCs have timers named Timer Counter Block. Each 14c66ec88fSEmmanuel Vadot timer has three channels with two counters each. 15c66ec88fSEmmanuel Vadot 16c66ec88fSEmmanuel Vadotproperties: 17c66ec88fSEmmanuel Vadot compatible: 18c66ec88fSEmmanuel Vadot items: 19c66ec88fSEmmanuel Vadot - enum: 20c66ec88fSEmmanuel Vadot - atmel,at91rm9200-tcb 21c66ec88fSEmmanuel Vadot - atmel,at91sam9x5-tcb 22c66ec88fSEmmanuel Vadot - atmel,sama5d2-tcb 23c66ec88fSEmmanuel Vadot - const: simple-mfd 24c66ec88fSEmmanuel Vadot - const: syscon 25c66ec88fSEmmanuel Vadot 26c66ec88fSEmmanuel Vadot reg: 27c66ec88fSEmmanuel Vadot maxItems: 1 28c66ec88fSEmmanuel Vadot 29c66ec88fSEmmanuel Vadot interrupts: 30c66ec88fSEmmanuel Vadot description: 31c66ec88fSEmmanuel Vadot List of interrupts. One interrupt per TCB channel if available or one 32c66ec88fSEmmanuel Vadot interrupt for the TC block 33c66ec88fSEmmanuel Vadot minItems: 1 34c66ec88fSEmmanuel Vadot maxItems: 3 35c66ec88fSEmmanuel Vadot 36c66ec88fSEmmanuel Vadot clock-names: 37c66ec88fSEmmanuel Vadot description: 38c66ec88fSEmmanuel Vadot List of clock names. Always includes t0_clk and slow clk. Also includes 39c66ec88fSEmmanuel Vadot t1_clk and t2_clk if a clock per channel is available. 40c66ec88fSEmmanuel Vadot minItems: 2 41c66ec88fSEmmanuel Vadot maxItems: 4 42c66ec88fSEmmanuel Vadot 43c66ec88fSEmmanuel Vadot clocks: 44c66ec88fSEmmanuel Vadot minItems: 2 45c66ec88fSEmmanuel Vadot maxItems: 4 46c66ec88fSEmmanuel Vadot 47c66ec88fSEmmanuel Vadot '#address-cells': 48c66ec88fSEmmanuel Vadot const: 1 49c66ec88fSEmmanuel Vadot 50c66ec88fSEmmanuel Vadot '#size-cells': 51c66ec88fSEmmanuel Vadot const: 0 52c66ec88fSEmmanuel Vadot 53c66ec88fSEmmanuel VadotpatternProperties: 54c66ec88fSEmmanuel Vadot "^timer@[0-2]$": 55c66ec88fSEmmanuel Vadot description: The timer block channels that are used as timers or counters. 56c66ec88fSEmmanuel Vadot type: object 57c66ec88fSEmmanuel Vadot properties: 58c66ec88fSEmmanuel Vadot compatible: 59c66ec88fSEmmanuel Vadot items: 60c66ec88fSEmmanuel Vadot - enum: 61c66ec88fSEmmanuel Vadot - atmel,tcb-timer 625def4c47SEmmanuel Vadot - atmel,tcb-pwm 63c66ec88fSEmmanuel Vadot - microchip,tcb-capture 64c66ec88fSEmmanuel Vadot reg: 65c66ec88fSEmmanuel Vadot description: 66c66ec88fSEmmanuel Vadot List of channels to use for this particular timer. In Microchip TCB capture 67c66ec88fSEmmanuel Vadot mode channels are registered as a counter devices, for the qdec mode TCB0's 68c66ec88fSEmmanuel Vadot channel <0> and <1> are required. 69c66ec88fSEmmanuel Vadot 70c66ec88fSEmmanuel Vadot minItems: 1 71c66ec88fSEmmanuel Vadot maxItems: 3 725def4c47SEmmanuel Vadot required: 735def4c47SEmmanuel Vadot - compatible 745def4c47SEmmanuel Vadot - reg 755def4c47SEmmanuel Vadot 765def4c47SEmmanuel Vadot "^pwm@[0-2]$": 775def4c47SEmmanuel Vadot description: The timer block channels that are used as PWMs. 78*b97ee269SEmmanuel Vadot $ref: /schemas/pwm/pwm.yaml# 795def4c47SEmmanuel Vadot type: object 805def4c47SEmmanuel Vadot properties: 815def4c47SEmmanuel Vadot compatible: 825def4c47SEmmanuel Vadot const: atmel,tcb-pwm 835def4c47SEmmanuel Vadot reg: 845def4c47SEmmanuel Vadot description: 855def4c47SEmmanuel Vadot TCB channel to use for this PWM. 865def4c47SEmmanuel Vadot enum: [ 0, 1, 2 ] 875def4c47SEmmanuel Vadot 885def4c47SEmmanuel Vadot "#pwm-cells": 895def4c47SEmmanuel Vadot description: 905def4c47SEmmanuel Vadot The only third cell flag supported by this binding is 915def4c47SEmmanuel Vadot PWM_POLARITY_INVERTED. 925def4c47SEmmanuel Vadot const: 3 93c66ec88fSEmmanuel Vadot 94c66ec88fSEmmanuel Vadot required: 95c66ec88fSEmmanuel Vadot - compatible 96c66ec88fSEmmanuel Vadot - reg 975def4c47SEmmanuel Vadot - "#pwm-cells" 985def4c47SEmmanuel Vadot 995def4c47SEmmanuel Vadot additionalProperties: false 1005def4c47SEmmanuel Vadot 101c66ec88fSEmmanuel Vadot 102c66ec88fSEmmanuel VadotallOf: 103c66ec88fSEmmanuel Vadot - if: 104c66ec88fSEmmanuel Vadot properties: 105c66ec88fSEmmanuel Vadot compatible: 106c66ec88fSEmmanuel Vadot contains: 107c66ec88fSEmmanuel Vadot const: atmel,sama5d2-tcb 108c66ec88fSEmmanuel Vadot then: 109c66ec88fSEmmanuel Vadot properties: 110c66ec88fSEmmanuel Vadot clocks: 111c66ec88fSEmmanuel Vadot minItems: 3 112c66ec88fSEmmanuel Vadot maxItems: 3 113c66ec88fSEmmanuel Vadot clock-names: 114c66ec88fSEmmanuel Vadot items: 115c66ec88fSEmmanuel Vadot - const: t0_clk 116c66ec88fSEmmanuel Vadot - const: gclk 117c66ec88fSEmmanuel Vadot - const: slow_clk 118c66ec88fSEmmanuel Vadot else: 119c66ec88fSEmmanuel Vadot properties: 120c66ec88fSEmmanuel Vadot clocks: 121c66ec88fSEmmanuel Vadot minItems: 2 122c66ec88fSEmmanuel Vadot maxItems: 4 123c66ec88fSEmmanuel Vadot clock-names: 124c66ec88fSEmmanuel Vadot oneOf: 125c66ec88fSEmmanuel Vadot - items: 126c66ec88fSEmmanuel Vadot - const: t0_clk 127c66ec88fSEmmanuel Vadot - const: slow_clk 128c66ec88fSEmmanuel Vadot - items: 129c66ec88fSEmmanuel Vadot - const: t0_clk 130c66ec88fSEmmanuel Vadot - const: t1_clk 131c66ec88fSEmmanuel Vadot - const: t2_clk 132c66ec88fSEmmanuel Vadot - const: slow_clk 133c66ec88fSEmmanuel Vadot 134c66ec88fSEmmanuel Vadotrequired: 135c66ec88fSEmmanuel Vadot - compatible 136c66ec88fSEmmanuel Vadot - reg 137c66ec88fSEmmanuel Vadot - interrupts 138c66ec88fSEmmanuel Vadot - clocks 139c66ec88fSEmmanuel Vadot - clock-names 140c66ec88fSEmmanuel Vadot - '#address-cells' 141c66ec88fSEmmanuel Vadot - '#size-cells' 142c66ec88fSEmmanuel Vadot 143c66ec88fSEmmanuel VadotadditionalProperties: false 144c66ec88fSEmmanuel Vadot 145c66ec88fSEmmanuel Vadotexamples: 146c66ec88fSEmmanuel Vadot - | 147c66ec88fSEmmanuel Vadot /* One interrupt per TC block: */ 148c66ec88fSEmmanuel Vadot tcb0: timer@fff7c000 { 149c66ec88fSEmmanuel Vadot compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; 150c66ec88fSEmmanuel Vadot #address-cells = <1>; 151c66ec88fSEmmanuel Vadot #size-cells = <0>; 152c66ec88fSEmmanuel Vadot reg = <0xfff7c000 0x100>; 153c66ec88fSEmmanuel Vadot interrupts = <18 4>; 154c66ec88fSEmmanuel Vadot clocks = <&tcb0_clk>, <&clk32k>; 155c66ec88fSEmmanuel Vadot clock-names = "t0_clk", "slow_clk"; 156c66ec88fSEmmanuel Vadot 157c66ec88fSEmmanuel Vadot timer@0 { 158c66ec88fSEmmanuel Vadot compatible = "atmel,tcb-timer"; 159c66ec88fSEmmanuel Vadot reg = <0>, <1>; 160c66ec88fSEmmanuel Vadot }; 161c66ec88fSEmmanuel Vadot 162c66ec88fSEmmanuel Vadot timer@2 { 163c66ec88fSEmmanuel Vadot compatible = "atmel,tcb-timer"; 164c66ec88fSEmmanuel Vadot reg = <2>; 165c66ec88fSEmmanuel Vadot }; 166c66ec88fSEmmanuel Vadot }; 167c66ec88fSEmmanuel Vadot 168c66ec88fSEmmanuel Vadot /* One interrupt per TC channel in a TC block: */ 169c66ec88fSEmmanuel Vadot tcb1: timer@fffdc000 { 170c66ec88fSEmmanuel Vadot compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; 171c66ec88fSEmmanuel Vadot #address-cells = <1>; 172c66ec88fSEmmanuel Vadot #size-cells = <0>; 173c66ec88fSEmmanuel Vadot reg = <0xfffdc000 0x100>; 174c66ec88fSEmmanuel Vadot interrupts = <26 4>, <27 4>, <28 4>; 175c66ec88fSEmmanuel Vadot clocks = <&tcb1_clk>, <&clk32k>; 176c66ec88fSEmmanuel Vadot clock-names = "t0_clk", "slow_clk"; 177c66ec88fSEmmanuel Vadot 178c66ec88fSEmmanuel Vadot timer@0 { 179c66ec88fSEmmanuel Vadot compatible = "atmel,tcb-timer"; 180c66ec88fSEmmanuel Vadot reg = <0>; 181c66ec88fSEmmanuel Vadot }; 182c66ec88fSEmmanuel Vadot 183c66ec88fSEmmanuel Vadot timer@1 { 184c66ec88fSEmmanuel Vadot compatible = "atmel,tcb-timer"; 185c66ec88fSEmmanuel Vadot reg = <1>; 186c66ec88fSEmmanuel Vadot }; 1875def4c47SEmmanuel Vadot 1885def4c47SEmmanuel Vadot pwm@2 { 1895def4c47SEmmanuel Vadot compatible = "atmel,tcb-pwm"; 1905def4c47SEmmanuel Vadot reg = <2>; 1915def4c47SEmmanuel Vadot #pwm-cells = <3>; 1925def4c47SEmmanuel Vadot }; 193c66ec88fSEmmanuel Vadot }; 194c66ec88fSEmmanuel Vadot /* TCB0 Capture with QDEC: */ 195c66ec88fSEmmanuel Vadot timer@f800c000 { 196c66ec88fSEmmanuel Vadot compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; 197c66ec88fSEmmanuel Vadot #address-cells = <1>; 198c66ec88fSEmmanuel Vadot #size-cells = <0>; 199c66ec88fSEmmanuel Vadot reg = <0xfff7c000 0x100>; 200c66ec88fSEmmanuel Vadot interrupts = <18 4>; 201c66ec88fSEmmanuel Vadot clocks = <&tcb0_clk>, <&clk32k>; 202c66ec88fSEmmanuel Vadot clock-names = "t0_clk", "slow_clk"; 203c66ec88fSEmmanuel Vadot 204c66ec88fSEmmanuel Vadot timer@0 { 205c66ec88fSEmmanuel Vadot compatible = "microchip,tcb-capture"; 206c66ec88fSEmmanuel Vadot reg = <0>, <1>; 207c66ec88fSEmmanuel Vadot }; 208c66ec88fSEmmanuel Vadot 209c66ec88fSEmmanuel Vadot timer@2 { 210c66ec88fSEmmanuel Vadot compatible = "atmel,tcb-timer"; 211c66ec88fSEmmanuel Vadot reg = <2>; 212c66ec88fSEmmanuel Vadot }; 213c66ec88fSEmmanuel Vadot }; 214