hisilicon,hi3660-reset.yaml (2404B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/reset/hisilicon,hi3660-reset.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Hisilicon System Reset Controller 8 9maintainers: 10 - Wei Xu <xuwei5@hisilicon.com> 11 12description: | 13 Please also refer to reset.txt in this directory for common reset 14 controller binding usage. 15 The reset controller registers are part of the system-ctl block on 16 hi3660 and hi3670 SoCs. 17 18properties: 19 compatible: 20 oneOf: 21 - items: 22 - const: hisilicon,hi3660-reset 23 - items: 24 - const: hisilicon,hi3670-reset 25 - const: hisilicon,hi3660-reset 26 27 hisi,rst-syscon: 28 deprecated: true 29 description: phandle of the reset's syscon, use hisilicon,rst-syscon instead 30 $ref: /schemas/types.yaml#/definitions/phandle 31 32 hisilicon,rst-syscon: 33 description: phandle of the reset's syscon. 34 $ref: /schemas/types.yaml#/definitions/phandle 35 36 '#reset-cells': 37 description: | 38 Specifies the number of cells needed to encode a reset source. 39 Cell #1 : offset of the reset assert control register from the syscon 40 register base 41 offset + 4: deassert control register 42 offset + 8: status control register 43 Cell #2 : bit position of the reset in the reset control register 44 const: 2 45 46required: 47 - compatible 48 49additionalProperties: false 50 51examples: 52 - | 53 #include <dt-bindings/interrupt-controller/irq.h> 54 #include <dt-bindings/interrupt-controller/arm-gic.h> 55 #include <dt-bindings/clock/hi3660-clock.h> 56 57 iomcu: iomcu@ffd7e000 { 58 compatible = "hisilicon,hi3660-iomcu", "syscon"; 59 reg = <0xffd7e000 0x1000>; 60 }; 61 62 iomcu_rst: iomcu_rst_controller { 63 compatible = "hisilicon,hi3660-reset"; 64 hisilicon,rst-syscon = <&iomcu>; 65 #reset-cells = <2>; 66 }; 67 68 /* Specifying reset lines connected to IP modules */ 69 i2c@ffd71000 { 70 compatible = "snps,designware-i2c"; 71 reg = <0xffd71000 0x1000>; 72 interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>; 73 #address-cells = <1>; 74 #size-cells = <0>; 75 clock-frequency = <400000>; 76 clocks = <&crg_ctrl HI3660_CLK_GATE_I2C0>; 77 resets = <&iomcu_rst 0x20 3>; 78 pinctrl-names = "default"; 79 pinctrl-0 = <&i2c0_pmx_func &i2c0_cfg_func>; 80 }; 81...