1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/i2c/nuvoton,npcm7xx-i2c.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: nuvoton NPCM7XX I2C Controller Device Tree Bindings 8*4882a593Smuzhiyun 9*4882a593Smuzhiyundescription: | 10*4882a593Smuzhiyun The NPCM750x includes sixteen I2C bus controllers. All Controllers support 11*4882a593Smuzhiyun both master and slave mode. Each controller can switch between master and slave 12*4882a593Smuzhiyun at run time (i.e. IPMB mode). Each controller has two 16 byte HW FIFO for TX and 13*4882a593Smuzhiyun RX. 14*4882a593Smuzhiyun 15*4882a593Smuzhiyunmaintainers: 16*4882a593Smuzhiyun - Tali Perry <tali.perry1@gmail.com> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyunproperties: 19*4882a593Smuzhiyun compatible: 20*4882a593Smuzhiyun const: nuvoton,npcm7xx-i2c 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun reg: 23*4882a593Smuzhiyun maxItems: 1 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun interrupts: 26*4882a593Smuzhiyun maxItems: 1 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun clocks: 29*4882a593Smuzhiyun maxItems: 1 30*4882a593Smuzhiyun description: Reference clock for the I2C bus 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun clock-frequency: 33*4882a593Smuzhiyun description: Desired I2C bus clock frequency in Hz. If not specified, 34*4882a593Smuzhiyun the default 100 kHz frequency will be used. 35*4882a593Smuzhiyun possible values are 100000, 400000 and 1000000. 36*4882a593Smuzhiyun default: 100000 37*4882a593Smuzhiyun enum: [100000, 400000, 1000000] 38*4882a593Smuzhiyun 39*4882a593Smuzhiyunrequired: 40*4882a593Smuzhiyun - compatible 41*4882a593Smuzhiyun - reg 42*4882a593Smuzhiyun - interrupts 43*4882a593Smuzhiyun - clocks 44*4882a593Smuzhiyun 45*4882a593SmuzhiyunallOf: 46*4882a593Smuzhiyun - $ref: /schemas/i2c/i2c-controller.yaml# 47*4882a593Smuzhiyun 48*4882a593SmuzhiyununevaluatedProperties: false 49*4882a593Smuzhiyun 50*4882a593Smuzhiyunexamples: 51*4882a593Smuzhiyun - | 52*4882a593Smuzhiyun #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h> 53*4882a593Smuzhiyun #include <dt-bindings/interrupt-controller/arm-gic.h> 54*4882a593Smuzhiyun i2c0: i2c@80000 { 55*4882a593Smuzhiyun reg = <0x80000 0x1000>; 56*4882a593Smuzhiyun clocks = <&clk NPCM7XX_CLK_APB2>; 57*4882a593Smuzhiyun clock-frequency = <100000>; 58*4882a593Smuzhiyun interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>; 59*4882a593Smuzhiyun compatible = "nuvoton,npcm750-i2c"; 60*4882a593Smuzhiyun }; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun... 63