diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-08-02 10:06:12 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-08-02 10:06:12 -0700 |
commit | 8bb5e7f4dcd9b9ef22a3ea25c9066a8a968f12dd (patch) | |
tree | 0f1383880607a227142f9388a066959926233ff1 /Documentation/devicetree/bindings/i2c | |
parent | 2a96271fb66c499e4a89d76a89d3d01170c10bef (diff) | |
parent | 7c744d00990ea999d27f306f6db5ccb61b1304b2 (diff) |
Merge branch 'next' into for-linus
Prepare input updates for 5.20 (or 6.0) merge window.
Diffstat (limited to 'Documentation/devicetree/bindings/i2c')
21 files changed, 712 insertions, 253 deletions
diff --git a/Documentation/devicetree/bindings/i2c/atmel,at91sam-i2c.yaml b/Documentation/devicetree/bindings/i2c/atmel,at91sam-i2c.yaml new file mode 100644 index 000000000000..ea2303c0e143 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/atmel,at91sam-i2c.yaml @@ -0,0 +1,146 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/atmel,at91sam-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: I2C for Atmel/Microchip platforms + +maintainers: + - Alexandre Belloni <alexandre.belloni@bootlin.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - atmel,at91rm9200-i2c + - atmel,at91sam9261-i2c + - atmel,at91sam9260-i2c + - atmel,at91sam9g20-i2c + - atmel,at91sam9g10-i2c + - atmel,at91sam9x5-i2c + - atmel,sama5d4-i2c + - atmel,sama5d2-i2c + - microchip,sam9x60-i2c + - items: + - const: microchip,sama7g5-i2c + - const: microchip,sam9x60-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + clocks: + maxItems: 1 + + clock-frequency: + default: 100000 + + dmas: + items: + - description: TX DMA Channel Specifier + - description: RX DMA Channel Specifier + + dma-names: + items: + - const: tx + - const: rx + + atmel,fifo-size: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Maximum number of data the RX and TX FIFOs can store for + FIFO capable I2C controllers. + + scl-gpios: true + + sda-gpios: true + +required: + - compatible + - reg + - interrupts + - "#address-cells" + - "#size-cells" + - clocks + +allOf: + - $ref: "i2c-controller.yaml" + - if: + properties: + compatible: + contains: + enum: + - atmel,sama5d4-i2c + - atmel,sama5d2-i2c + - microchip,sam9x60-i2c + - microchip,sama7g5-i2c + then: + properties: + i2c-sda-hold-time-ns: + description: + TWD hold time + maxItems: 1 + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/dma/at91.h> + #include <dt-bindings/gpio/gpio.h> + + i2c0: i2c@fff84000 { + compatible = "atmel,at91sam9g20-i2c"; + reg = <0xfff84000 0x100>; + interrupts = <12 IRQ_TYPE_LEVEL_HIGH 6>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&twi0_clk>; + clock-frequency = <400000>; + + eeprom@50 { + compatible = "atmel,24c512"; + reg = <0x50>; + pagesize = <128>; + }; + }; + + i2c1: i2c@f8034600 { + compatible = "atmel,sama5d2-i2c"; + reg = <0xf8034600 0x100>; + interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)) + AT91_XDMAC_DT_PERID(11)>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)) + AT91_XDMAC_DT_PERID(12)>; + dma-names = "tx", "rx"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&flx0>; + atmel,fifo-size = <16>; + i2c-sda-hold-time-ns = <336>; + pinctrl-names = "default", "gpio"; + pinctrl-0 = <&pinctrl_i2c0>; + pinctrl-1 = <&pinctrl_i2c0_gpio>; + sda-gpios = <&pioA 30 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA 31 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + + eeprom@54 { + compatible = "atmel,24c02"; + reg = <0x54>; + pagesize = <16>; + }; + }; diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt deleted file mode 100644 index 2015f50aed0f..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt +++ /dev/null @@ -1,82 +0,0 @@ -I2C for Atmel platforms - -Required properties : -- compatible : Must be one of: - "atmel,at91rm9200-i2c", - "atmel,at91sam9261-i2c", - "atmel,at91sam9260-i2c", - "atmel,at91sam9g20-i2c", - "atmel,at91sam9g10-i2c", - "atmel,at91sam9x5-i2c", - "atmel,sama5d4-i2c", - "atmel,sama5d2-i2c", - "microchip,sam9x60-i2c". -- reg: physical base address of the controller and length of memory mapped - region. -- interrupts: interrupt number to the cpu. -- #address-cells = <1>; -- #size-cells = <0>; -- clocks: phandles to input clocks. - -Optional properties: -- clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000 -- dmas: A list of two dma specifiers, one for each entry in dma-names. -- dma-names: should contain "tx" and "rx". -- atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO - capable I2C controllers. -- i2c-sda-hold-time-ns: TWD hold time, only available for: - "atmel,sama5d4-i2c", - "atmel,sama5d2-i2c", - "microchip,sam9x60-i2c". -- scl-gpios: specify the gpio related to SCL pin -- sda-gpios: specify the gpio related to SDA pin -- pinctrl: add extra pinctrl to configure i2c pins to gpio function for i2c - bus recovery, call it "gpio" state -- Child nodes conforming to i2c bus binding - - -Examples : - -i2c0: i2c@fff84000 { - compatible = "atmel,at91sam9g20-i2c"; - reg = <0xfff84000 0x100>; - interrupts = <12 4 6>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&twi0_clk>; - clock-frequency = <400000>; - - 24c512@50 { - compatible = "atmel,24c512"; - reg = <0x50>; - pagesize = <128>; - } -} - -i2c0: i2c@f8034600 { - compatible = "atmel,sama5d2-i2c"; - reg = <0xf8034600 0x100>; - interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>; - dmas = <&dma0 - (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)) - AT91_XDMAC_DT_PERID(11)>, - <&dma0 - (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)) - AT91_XDMAC_DT_PERID(12)>; - dma-names = "tx", "rx"; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&flx0>; - atmel,fifo-size = <16>; - i2c-sda-hold-time-ns = <336>; - pinctrl-names = "default", "gpio"; - pinctrl-0 = <&pinctrl_i2c0>; - pinctrl-1 = <&pinctrl_i2c0_gpio>; - sda-gpios = <&pioA 30 GPIO_ACTIVE_HIGH>; - scl-gpios = <&pioA 31 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; - - wm8731: wm8731@1a { - compatible = "wm8731"; - reg = <0x1a>; - }; -}; diff --git a/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml b/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml index 19874e8b73b9..3e52a0db6c41 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: Samsung's High Speed I2C controller maintainers: - - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + - Krzysztof Kozlowski <krzk@kernel.org> description: | The Samsung's High Speed I2C controller is used to interface with I2C devices diff --git a/Documentation/devicetree/bindings/i2c/i2c-gate.yaml b/Documentation/devicetree/bindings/i2c/i2c-gate.yaml index bd67b0766599..0cdc3e890df7 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-gate.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-gate.yaml @@ -36,4 +36,3 @@ examples: }; }; ... - diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml index c167958ae2a9..01720e338b4c 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-imx.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml @@ -88,9 +88,7 @@ unevaluatedProperties: false examples: - | #include <dt-bindings/clock/imx5-clock.h> - #include <dt-bindings/clock/vf610-clock.h> - #include <dt-bindings/gpio/gpio.h> - #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> i2c@83fc4000 { compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; @@ -99,6 +97,9 @@ examples: clocks = <&clks IMX5_CLK_I2C2_GATE>; }; + - | + #include <dt-bindings/clock/vf610-clock.h> + i2c@40066000 { compatible = "fsl,vf610-i2c"; reg = <0x40066000 0x1000>; diff --git a/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml b/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml index 98c6fcf7bf26..018e1b944424 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml @@ -73,6 +73,7 @@ examples: clock-frequency = <100000>; }; + - | /* MPC5200B based board */ i2c@3d00 { #address-cells = <1>; @@ -84,6 +85,7 @@ examples: fsl,preserve-clocking; }; + - | /* MPC8544 base board */ i2c@3100 { #address-cells = <1>; diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt deleted file mode 100644 index 5ea216ae7084..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt +++ /dev/null @@ -1,51 +0,0 @@ -* MediaTek's I2C controller - -The MediaTek's I2C controller is used to interface with I2C devices. - -Required properties: - - compatible: value should be either of the following. - "mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for MediaTek MT2701 - "mediatek,mt2712-i2c": for MediaTek MT2712 - "mediatek,mt6577-i2c": for MediaTek MT6577 - "mediatek,mt6589-i2c": for MediaTek MT6589 - "mediatek,mt6797-i2c", "mediatek,mt6577-i2c": for MediaTek MT6797 - "mediatek,mt7622-i2c": for MediaTek MT7622 - "mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for MediaTek MT7623 - "mediatek,mt7629-i2c", "mediatek,mt2712-i2c": for MediaTek MT7629 - "mediatek,mt8173-i2c": for MediaTek MT8173 - "mediatek,mt8183-i2c": for MediaTek MT8183 - "mediatek,mt8192-i2c": for MediaTek MT8192 - "mediatek,mt8195-i2c", "mediatek,mt8192-i2c": for MediaTek MT8195 - "mediatek,mt8516-i2c", "mediatek,mt2712-i2c": for MediaTek MT8516 - - reg: physical base address of the controller and dma base, length of memory - mapped region. - - interrupts: interrupt number to the cpu. - - clock-div: the fixed value for frequency divider of clock source in i2c - module. Each IC may be different. - - clocks: clock name from clock manager - - clock-names: Must include "main" and "dma", "arb" is for multi-master that - one bus has more than two i2c controllers, if enable have-pmic need include - "pmic" extra. - -Optional properties: - - clock-frequency: Frequency in Hz of the bus when transfer, the default value - is 100000. - - mediatek,have-pmic: platform can control i2c form special pmic side. - Only mt6589 and mt8135 support this feature. - - mediatek,use-push-pull: IO config use push-pull mode. - - vbus-supply: phandle to the regulator that provides power to SCL/SDA. - -Example: - - i2c0: i2c@1100d000 { - compatible = "mediatek,mt6577-i2c"; - reg = <0x1100d000 0x70>, - <0x11000300 0x80>; - interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; - clock-frequency = <400000>; - mediatek,have-pmic; - clock-div = <16>; - clocks = <&i2c0_ck>, <&ap_dma_ck>; - clock-names = "main", "dma"; - }; - diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml new file mode 100644 index 000000000000..16a1a3118204 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml @@ -0,0 +1,118 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/i2c-mt65xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek I2C controller + +description: + This driver interfaces with the native I2C controller present in + various MediaTek SoCs. + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +maintainers: + - Qii Wang <qii.wang@mediatek.com> + +properties: + compatible: + oneOf: + - const: mediatek,mt2712-i2c + - const: mediatek,mt6577-i2c + - const: mediatek,mt6589-i2c + - const: mediatek,mt7622-i2c + - const: mediatek,mt8168-i2c + - const: mediatek,mt8173-i2c + - const: mediatek,mt8183-i2c + - const: mediatek,mt8186-i2c + - const: mediatek,mt8192-i2c + - items: + - enum: + - mediatek,mt7629-i2c + - mediatek,mt8516-i2c + - const: mediatek,mt2712-i2c + - items: + - enum: + - mediatek,mt2701-i2c + - mediatek,mt6797-i2c + - mediatek,mt7623-i2c + - const: mediatek,mt6577-i2c + - items: + - enum: + - mediatek,mt8195-i2c + - const: mediatek,mt8192-i2c + + reg: + items: + - description: Physical base address + - description: DMA base address + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + items: + - description: Main clock for I2C bus + - description: Clock for I2C via DMA + - description: Bus arbitrator clock + - description: Clock for I2C from PMIC + + clock-names: + minItems: 2 + items: + - const: main + - const: dma + - const: arb + - const: pmic + + clock-div: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Frequency divider of clock source in I2C module + + clock-frequency: + default: 100000 + description: + SCL frequency to use (in Hz). If omitted, 100kHz is used. + + mediatek,have-pmic: + description: Platform controls I2C from PMIC side + type: boolean + + mediatek,use-push-pull: + description: Use push-pull mode I/O config + type: boolean + + vbus-supply: + description: Phandle to the regulator providing power to SCL/SDA + +required: + - compatible + - reg + - clocks + - clock-names + - clock-div + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c0: i2c@1100d000 { + compatible = "mediatek,mt6577-i2c"; + reg = <0x1100d000 0x70>, <0x11000300 0x80>; + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; + clocks = <&i2c0_ck>, <&ap_dma_ck>; + clock-names = "main", "dma"; + clock-div = <16>; + clock-frequency = <400000>; + mediatek,have-pmic; + + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-gpmux.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-gpmux.yaml index 9b0603a72f40..b6af924dee2e 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mux-gpmux.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-gpmux.yaml @@ -28,7 +28,6 @@ description: |+ '------------' '-----' '-----' '-----' - allOf: - $ref: /schemas/i2c/i2c-mux.yaml# diff --git a/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt b/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt index 7b9fc0c22eaf..924ad8c03464 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt @@ -10,6 +10,7 @@ PROPERTIES: "qcom,msm8996-cci" "qcom,sdm845-cci" "qcom,sm8250-cci" + "qcom,sm8450-cci" - reg Usage: required @@ -43,7 +44,8 @@ PROPERTIES: SUBNODES: The CCI provides I2C masters for one (msm8916) or two i2c busses (msm8996, -sdm845 and sm8250), described as subdevices named "i2c-bus@0" and "i2c-bus@1". +sdm845, sm8250 and sm8450), described as subdevices named "i2c-bus@0" and +"i2c-bus@1". PROPERTIES: diff --git a/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt b/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt deleted file mode 100644 index 66ae46d3bc2f..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt +++ /dev/null @@ -1,58 +0,0 @@ -* Samsung's I2C controller - -The Samsung's I2C controller is used to interface with I2C devices. - -Required properties: - - compatible: value should be either of the following. - (a) "samsung, s3c2410-i2c", for i2c compatible with s3c2410 i2c. - (b) "samsung, s3c2440-i2c", for i2c compatible with s3c2440 i2c. - (c) "samsung, s3c2440-hdmiphy-i2c", for s3c2440-like i2c used - inside HDMIPHY block found on several samsung SoCs - (d) "samsung, exynos5-sata-phy-i2c", for s3c2440-like i2c used as - a host to SATA PHY controller on an internal bus. - - reg: physical base address of the controller and length of memory mapped - region. - - interrupts: interrupt number to the cpu. - - samsung,i2c-sda-delay: Delay (in ns) applied to data line (SDA) edges. - -Required for all cases except "samsung,s3c2440-hdmiphy-i2c": - - Samsung GPIO variant (deprecated): - - gpios: The order of the gpios should be the following: <SDA, SCL>. - The gpio specifier depends on the gpio controller. Required in all - cases except for "samsung,s3c2440-hdmiphy-i2c" whose input/output - lines are permanently wired to the respective clienta - - Pinctrl variant (preferred, if available): - - pinctrl-0: Pin control group to be used for this controller. - - pinctrl-names: Should contain only one value - "default". - -Optional properties: - - samsung,i2c-slave-addr: Slave address in multi-master environment. If not - specified, default value is 0. - - samsung,i2c-max-bus-freq: Desired frequency in Hz of the bus. If not - specified, the default value in Hz is 100000. - - samsung,sysreg-phandle - handle to syscon used to control the system registers - -Example: - - i2c@13870000 { - compatible = "samsung,s3c2440-i2c"; - reg = <0x13870000 0x100>; - interrupts = <345>; - samsung,i2c-sda-delay = <100>; - samsung,i2c-max-bus-freq = <100000>; - /* Samsung GPIO variant begins here */ - gpios = <&gpd1 2 0 /* SDA */ - &gpd1 3 0 /* SCL */>; - /* Samsung GPIO variant ends here */ - /* Pinctrl variant begins here */ - pinctrl-0 = <&i2c3_bus>; - pinctrl-names = "default"; - /* Pinctrl variant ends here */ - #address-cells = <1>; - #size-cells = <0>; - - wm8994@1a { - compatible = "wlf,wm8994"; - reg = <0x1a>; - }; - }; diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt index b864916e087f..fc3dd7ec0445 100644 --- a/Documentation/devicetree/bindings/i2c/i2c.txt +++ b/Documentation/devicetree/bindings/i2c/i2c.txt @@ -95,6 +95,10 @@ wants to support one of the below features, it should adapt these bindings. - smbus-alert states that the optional SMBus-Alert feature apply to this bus. +- mctp-controller + indicates that the system is accessible via this bus as an endpoint for + MCTP over I2C transport. + Required properties (per child device) -------------------------------------- diff --git a/Documentation/devicetree/bindings/i2c/ingenic,i2c.yaml b/Documentation/devicetree/bindings/i2c/ingenic,i2c.yaml index febde6cc5f69..af6d64a6da6e 100644 --- a/Documentation/devicetree/bindings/i2c/ingenic,i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/ingenic,i2c.yaml @@ -69,8 +69,7 @@ examples: #size-cells = <0>; reg = <0x10054000 0x1000>; - interrupt-parent = <&intc>; - interrupts = <56>; + interrupts = <56 IRQ_TYPE_LEVEL_LOW>; clocks = <&cgu JZ4780_CLK_SMB4>; pinctrl-names = "default"; @@ -86,7 +85,6 @@ examples: compatible = "nxp,pcf8563"; reg = <0x51>; - interrupt-parent = <&gpf>; interrupts = <30 IRQ_TYPE_LEVEL_LOW>; }; }; diff --git a/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml b/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml new file mode 100644 index 000000000000..7bad4b946a34 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/microchip,corei2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MPFS I2C Controller Device Tree Bindings + +maintainers: + - Daire McNamara <daire.mcnamara@microchip.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + oneOf: + - items: + - const: microchip,mpfs-i2c # Microchip PolarFire SoC compatible SoCs + - const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core + - const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-frequency: + description: | + Desired I2C bus clock frequency in Hz. As only Standard and Fast + modes are supported, possible values are 100000 and 400000. + enum: [100000, 400000] + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + i2c@2010a000 { + compatible = "microchip,mpfs-i2c", "microchip,corei2c-rtl-v7"; + reg = <0x2010a000 0x1000>; + clocks = <&clkcfg 15>; + interrupt-parent = <&plic>; + interrupts = <58>; + clock-frequency = <100000>; + }; +... diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml new file mode 100644 index 000000000000..0e7ed00562e2 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/i2c/qcom,i2c-geni-qcom.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Geni based QUP I2C Controller + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + const: qcom,geni-i2c + + clocks: + maxItems: 1 + + clock-names: + const: se + + clock-frequency: + default: 100000 + + dmas: + maxItems: 2 + + dma-names: + items: + - const: tx + - const: rx + + interconnects: + maxItems: 3 + + interconnect-names: + items: + - const: qup-core + - const: qup-config + - const: qup-memory + + interrupts: + maxItems: 1 + + pinctrl-0: true + pinctrl-1: true + + pinctrl-names: + minItems: 1 + items: + - const: default + - const: sleep + + power-domains: + maxItems: 1 + + reg: + maxItems: 1 + + required-opps: + maxItems: 1 + +required: + - compatible + - interrupts + - clocks + - clock-names + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/qcom,gcc-sc7180.h> + #include <dt-bindings/interconnect/qcom,sc7180.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + i2c@88000 { + compatible = "qcom,geni-i2c"; + reg = <0x00880000 0x4000>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>; + pinctrl-names = "default"; + pinctrl-0 = <&qup_i2c0_default>; + interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + interconnects = <&qup_virt MASTER_QUP_CORE_0 0 &qup_virt SLAVE_QUP_CORE_0 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>, + <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>; + interconnect-names = "qup-core", "qup-config", "qup-memory"; + power-domains = <&rpmhpd SC7180_CX>; + required-opps = <&rpmhpd_opp_low_svs>; + }; +... diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt b/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt deleted file mode 100644 index dc71754a56af..000000000000 --- a/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt +++ /dev/null @@ -1,40 +0,0 @@ -Qualcomm Universal Peripheral (QUP) I2C controller - -Required properties: - - compatible: Should be: - * "qcom,i2c-qup-v1.1.1" for 8660, 8960 and 8064. - * "qcom,i2c-qup-v2.1.1" for 8974 v1. - * "qcom,i2c-qup-v2.2.1" for 8974 v2 and later. - - reg: Should contain QUP register address and length. - - interrupts: Should contain I2C interrupt. - - - clocks: A list of phandles + clock-specifiers, one for each entry in - clock-names. - - clock-names: Should contain: - * "core" for the core clock - * "iface" for the AHB clock - - - #address-cells: Should be <1> Address cells for i2c device address - - #size-cells: Should be <0> as i2c addresses have no size component - -Optional properties: - - clock-frequency: Should specify the desired i2c bus clock frequency in Hz, - defaults to 100kHz if omitted. - -Child nodes should conform to i2c bus binding. - -Example: - - i2c@f9924000 { - compatible = "qcom,i2c-qup-v2.2.1"; - reg = <0xf9924000 0x1000>; - interrupts = <0 96 0>; - - clocks = <&gcc GCC_BLSP1_QUP2_I2C_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>; - clock-names = "core", "iface"; - - clock-frequency = <355000>; - - #address-cells = <1>; - #size-cells = <0>; - }; diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml new file mode 100644 index 000000000000..f43947514d48 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/qcom,i2c-qup.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Universal Peripheral (QUP) I2C controller + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + enum: + - qcom,i2c-qup-v1.1.1 # for 8660, 8960 and 8064 + - qcom,i2c-qup-v2.1.1 # for 8974 v1 + - qcom,i2c-qup-v2.2.1 # for 8974 v2 and later + + clocks: + maxItems: 2 + + clock-names: + items: + - const: core + - const: iface + + clock-frequency: + default: 100000 + + dmas: + maxItems: 2 + + dma-names: + items: + - const: tx + - const: rx + + interrupts: + maxItems: 1 + + pinctrl-0: true + pinctrl-1: true + + pinctrl-names: + minItems: 1 + items: + - const: default + - const: sleep + + reg: + maxItems: 1 + +required: + - compatible + - clock-names + - clocks + - interrupts + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-msm8998.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i2c@c175000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0x0c175000 0x600>; + interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>; + + clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>, + <&gcc GCC_BLSP1_AHB_CLK>; + clock-names = "core", "iface"; + dmas = <&blsp1_dma 6>, <&blsp1_dma 7>; + dma-names = "tx", "rx"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&blsp1_i2c1_default>; + pinctrl-1 = <&blsp1_i2c1_sleep>; + clock-frequency = <400000>; + + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml b/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml index 052aad44e781..f9929578c761 100644 --- a/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml @@ -46,9 +46,14 @@ properties: - renesas,i2c-r8a77980 # R-Car V3H - renesas,i2c-r8a77990 # R-Car E3 - renesas,i2c-r8a77995 # R-Car D3 - - renesas,i2c-r8a779a0 # R-Car V3U - const: renesas,rcar-gen3-i2c # R-Car Gen3 and RZ/G2 + - items: + - enum: + - renesas,i2c-r8a779a0 # R-Car V3U + - renesas,i2c-r8a779f0 # R-Car S4-8 + - const: renesas,rcar-gen4-i2c # R-Car Gen4 + reg: maxItems: 1 @@ -132,6 +137,7 @@ allOf: enum: - renesas,rcar-gen2-i2c - renesas,rcar-gen3-i2c + - renesas,rcar-gen4-i2c then: required: - resets diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml index 402fd125e010..2f315489aaae 100644 --- a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml +++ b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml @@ -19,7 +19,9 @@ properties: - enum: - renesas,riic-r7s72100 # RZ/A1H - renesas,riic-r7s9210 # RZ/A2M + - renesas,riic-r9a07g043 # RZ/G2UL - renesas,riic-r9a07g044 # RZ/G2{L,LC} + - renesas,riic-r9a07g054 # RZ/V2L - const: renesas,riic-rz # RZ/A or RZ/G2L reg: @@ -74,7 +76,9 @@ if: compatible: contains: enum: + - renesas,riic-r9a07g043 - renesas,riic-r9a07g044 + - renesas,riic-r9a07g054 then: required: - resets diff --git a/Documentation/devicetree/bindings/i2c/samsung,s3c2410-i2c.yaml b/Documentation/devicetree/bindings/i2c/samsung,s3c2410-i2c.yaml new file mode 100644 index 000000000000..3d5782deb97d --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/samsung,s3c2410-i2c.yaml @@ -0,0 +1,164 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/samsung,s3c2410-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S3C/S5P/Exynos SoC I2C Controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + enum: + - samsung,s3c2410-i2c + - samsung,s3c2440-i2c + # For s3c2440-like I2C used inside HDMIPHY block found on several SoCs: + - samsung,s3c2440-hdmiphy-i2c + # For s3c2440-like I2C used as a host to SATA PHY controller on an + # internal bus: + - samsung,exynos5-sata-phy-i2c + + '#address-cells': + const: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: i2c + + gpios: + description: | + The order of the GPIOs should be the following:: <SDA, SCL>. The GPIO + specifier depends on the gpio controller. Required in all cases except + for "samsung,s3c2440-hdmiphy-i2c" whose input/output lines are + permanently wired to the respective client. + This property is deprecated. Use "pinctrl-0" and "pinctrl-names" instead. + deprecated: yes + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + samsung,i2c-max-bus-freq: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Desired frequency in Hz of the bus. + default: 100000 + + samsung,i2c-sda-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Delay (in ns) applied to data line (SDA) edges. + default: 0 + + samsung,i2c-slave-addr: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Slave address in multi-master environment. + default: 0 + + samsung,sysreg-phandle: + $ref: /schemas/types.yaml#/definitions/phandle + description: Pandle to syscon used to control the system registers. + + '#size-cells': + const: 0 + +required: + - compatible + - reg + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + - if: + properties: + compatible: + contains: + enum: + - samsung,s3c2440-hdmiphy-i2c + - samsung,exynos5-sata-phy-i2c + then: + properties: + gpios: false + + - if: + properties: + compatible: + contains: + enum: + - samsung,s3c2410-i2c + - samsung,s3c2440-i2c + - samsung,s3c2440-hdmiphy-i2c + then: + required: + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/exynos5250.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i2c@12c60000 { + compatible = "samsung,s3c2440-i2c"; + reg = <0x12C60000 0x100>; + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clock CLK_I2C0>; + clock-names = "i2c"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_bus>; + + samsung,sysreg-phandle = <&sysreg_system_controller>; + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <20000>; + samsung,i2c-slave-addr = <0x66>; + + eeprom@50 { + compatible = "samsung,s524ad0xd1", "atmel,24c128"; + reg = <0x50>; + }; + }; + + i2c@12ce0000 { + compatible = "samsung,s3c2440-hdmiphy-i2c"; + reg = <0x12CE0000 0x1000>; + interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clock CLK_I2C_HDMI>; + clock-names = "i2c"; + + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <66000>; + + phy-i2c@38 { + compatible = "samsung,exynos4212-hdmiphy"; + reg = <0x38>; + }; + }; + + i2c@121d0000 { + compatible = "samsung,exynos5-sata-phy-i2c"; + reg = <0x121D0000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clock CLK_SATA_PHYI2C>; + clock-names = "i2c"; + + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <40000>; + + phy-i2c@38 { + compatible = "samsung,exynos-sataphy-i2c"; + reg = <0x38>; + }; + }; diff --git a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml index 46b62e1c9273..dccbb18b6dc0 100644 --- a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml @@ -25,16 +25,9 @@ allOf: i2c-scl-falling-time-ns: default: 10 - - st,syscfg-fmp: - description: Use to set Fast Mode Plus bit within SYSCFG when - Fast Mode Plus speed is selected by slave. - Format is phandle to syscfg / register offset within - syscfg / register bitmask for FMP bit. - $ref: "/schemas/types.yaml#/definitions/phandle-array" - items: - minItems: 3 - maxItems: 3 + else: + properties: + st,syscfg-fmp: false - if: properties: @@ -87,6 +80,16 @@ properties: minimum: 1 maximum: 1000000 + st,syscfg-fmp: + description: Use to set Fast Mode Plus bit within SYSCFG when Fast Mode + Plus speed is selected by slave. + $ref: "/schemas/types.yaml#/definitions/phandle-array" + items: + - items: + - description: phandle to syscfg + - description: register offset within syscfg + - description: register bitmask for FMP bit + required: - compatible - reg @@ -147,4 +150,3 @@ examples: i2c-scl-falling-time-ns = <20>; st,syscfg-fmp = <&syscfg 0x4 0x2>; }; -... |