1*5ae45114SSam Protsenko# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*5ae45114SSam Protsenko%YAML 1.2 3*5ae45114SSam Protsenko--- 4*5ae45114SSam Protsenko$id: http://devicetree.org/schemas/i2c/i2c-exynos5.yaml# 5*5ae45114SSam Protsenko$schema: http://devicetree.org/meta-schemas/core.yaml# 6*5ae45114SSam Protsenko 7*5ae45114SSam Protsenkotitle: Samsung's High Speed I2C controller 8*5ae45114SSam Protsenko 9*5ae45114SSam Protsenkomaintainers: 10*5ae45114SSam Protsenko - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> 11*5ae45114SSam Protsenko 12*5ae45114SSam Protsenkodescription: | 13*5ae45114SSam Protsenko The Samsung's High Speed I2C controller is used to interface with I2C devices 14*5ae45114SSam Protsenko at various speeds ranging from 100kHz to 3.4MHz. 15*5ae45114SSam Protsenko 16*5ae45114SSam ProtsenkoallOf: 17*5ae45114SSam Protsenko - $ref: /schemas/i2c/i2c-controller.yaml# 18*5ae45114SSam Protsenko 19*5ae45114SSam Protsenkoproperties: 20*5ae45114SSam Protsenko compatible: 21*5ae45114SSam Protsenko oneOf: 22*5ae45114SSam Protsenko - enum: 23*5ae45114SSam Protsenko - samsung,exynos5250-hsi2c # Exynos5250 and Exynos5420 24*5ae45114SSam Protsenko - samsung,exynos5260-hsi2c # Exynos5260 25*5ae45114SSam Protsenko - samsung,exynos7-hsi2c # Exynos7 26*5ae45114SSam Protsenko - const: samsung,exynos5-hsi2c # Exynos5250 and Exynos5420 27*5ae45114SSam Protsenko deprecated: true 28*5ae45114SSam Protsenko 29*5ae45114SSam Protsenko reg: 30*5ae45114SSam Protsenko maxItems: 1 31*5ae45114SSam Protsenko 32*5ae45114SSam Protsenko interrupts: 33*5ae45114SSam Protsenko maxItems: 1 34*5ae45114SSam Protsenko 35*5ae45114SSam Protsenko clock-frequency: 36*5ae45114SSam Protsenko default: 100000 37*5ae45114SSam Protsenko description: 38*5ae45114SSam Protsenko Desired operating frequency in Hz of the bus. 39*5ae45114SSam Protsenko 40*5ae45114SSam Protsenko If not specified, the bus operates in fast-speed mode at 100kHz. 41*5ae45114SSam Protsenko 42*5ae45114SSam Protsenko If specified, the bus operates in high-speed mode only if the 43*5ae45114SSam Protsenko clock-frequency is >= 1MHz. 44*5ae45114SSam Protsenko 45*5ae45114SSam Protsenko clocks: 46*5ae45114SSam Protsenko maxItems: 1 47*5ae45114SSam Protsenko description: I2C operating clock 48*5ae45114SSam Protsenko 49*5ae45114SSam Protsenko clock-names: 50*5ae45114SSam Protsenko const: hsi2c 51*5ae45114SSam Protsenko 52*5ae45114SSam Protsenkorequired: 53*5ae45114SSam Protsenko - compatible 54*5ae45114SSam Protsenko - reg 55*5ae45114SSam Protsenko - interrupts 56*5ae45114SSam Protsenko - clocks 57*5ae45114SSam Protsenko 58*5ae45114SSam ProtsenkounevaluatedProperties: false 59*5ae45114SSam Protsenko 60*5ae45114SSam Protsenkoexamples: 61*5ae45114SSam Protsenko - | 62*5ae45114SSam Protsenko #include <dt-bindings/clock/exynos5420.h> 63*5ae45114SSam Protsenko #include <dt-bindings/interrupt-controller/arm-gic.h> 64*5ae45114SSam Protsenko #include <dt-bindings/interrupt-controller/irq.h> 65*5ae45114SSam Protsenko 66*5ae45114SSam Protsenko hsi2c_8: i2c@12e00000 { 67*5ae45114SSam Protsenko compatible = "samsung,exynos5250-hsi2c"; 68*5ae45114SSam Protsenko reg = <0x12e00000 0x1000>; 69*5ae45114SSam Protsenko interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>; 70*5ae45114SSam Protsenko #address-cells = <1>; 71*5ae45114SSam Protsenko #size-cells = <0>; 72*5ae45114SSam Protsenko clock-frequency = <100000>; 73*5ae45114SSam Protsenko clocks = <&clock CLK_USI4>; 74*5ae45114SSam Protsenko clock-names = "hsi2c"; 75*5ae45114SSam Protsenko 76*5ae45114SSam Protsenko pmic@66 { 77*5ae45114SSam Protsenko /* compatible = "samsung,s2mps11-pmic"; */ 78*5ae45114SSam Protsenko reg = <0x66>; 79*5ae45114SSam Protsenko }; 80*5ae45114SSam Protsenko }; 81