From 7f915eef50829c3719be003481ca2bb116fad852 Mon Sep 17 00:00:00 2001 From: ChiYuan Huang Date: Fri, 5 Aug 2022 15:06:03 +0800 Subject: [PATCH] dt-bindings: mfd: Add MediaTek MT6370 Add MediaTek MT6370 binding documentation. Reviewed-by: Krzysztof Kozlowski Signed-off-by: ChiYuan Huang Signed-off-by: ChiaEn Wu Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20220805070610.3516-7-peterwu.pub@gmail.com --- .../devicetree/bindings/mfd/mediatek,mt6370.yaml | 280 +++++++++++++++++++++ include/dt-bindings/iio/adc/mediatek,mt6370_adc.h | 18 ++ 2 files changed, 298 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/mediatek,mt6370.yaml create mode 100644 include/dt-bindings/iio/adc/mediatek,mt6370_adc.h diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mt6370.yaml b/Documentation/devicetree/bindings/mfd/mediatek,mt6370.yaml new file mode 100644 index 0000000..410e2d4 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mediatek,mt6370.yaml @@ -0,0 +1,280 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/mediatek,mt6370.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6370 SubPMIC + +maintainers: + - ChiYuan Huang + +description: | + MT6370 is a highly-integrated smart power management IC, which includes a + single cell Li-Ion/Li-Polymer switching battery charger, a USB Type-C & + Power Delivery (PD) controller, dual flash LED current sources, a RGB LED + driver, a backlight WLED driver, a display bias driver and a general LDO for + portable devices. + +properties: + compatible: + const: mediatek,mt6370 + + reg: + maxItems: 1 + + wakeup-source: true + + interrupts: + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 1 + + adc: + type: object + description: | + Provides 9 channels for system monitoring, including VBUSDIV5 (lower + accuracy, higher measure range), VBUSDIV2 (higher accuracy, lower + measure range), VBAT, VSYS, CHG_VDDP, TS_BAT, IBUS, IBAT, and TEMP_JC. + + properties: + compatible: + const: mediatek,mt6370-adc + + "#io-channel-cells": + const: 1 + + required: + - compatible + - "#io-channel-cells" + + backlight: + type: object + $ref: /schemas/leds/backlight/mediatek,mt6370-backlight.yaml# + + charger: + type: object + $ref: /schemas/power/supply/mediatek,mt6370-charger.yaml# + + tcpc: + type: object + $ref: /schemas/usb/mediatek,mt6370-tcpc.yaml# + + indicator: + type: object + $ref: /schemas/leds/mediatek,mt6370-indicator.yaml# + + flashlight: + type: object + $ref: /schemas/leds/mediatek,mt6370-flashlight.yaml# + + regulators: + type: object + description: | + List all supported regulators, which support the control for DisplayBias + voltages and one general purpose LDO which commonly used to drive the + vibrator. + + patternProperties: + "^(dsvbst|vibldo)$": + $ref: /schemas/regulator/regulator.yaml# + type: object + unevaluatedProperties: false + + "^(dsvpos|dsvneg)$": + $ref: /schemas/regulator/regulator.yaml# + type: object + unevaluatedProperties: false + + properties: + enable-gpios: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - "#interrupt-cells" + - regulators + - adc + - backlight + - indicator + - tcpc + - charger + - flashlight + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@34 { + compatible = "mediatek,mt6370"; + reg = <0x34>; + wakeup-source; + interrupts-extended = <&gpio26 3 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <1>; + + mt6370_adc: adc { + compatible = "mediatek,mt6370-adc"; + #io-channel-cells = <1>; + }; + + backlight { + compatible = "mediatek,mt6370-backlight"; + mediatek,bled-channel-use = /bits/ 8 <15>; + }; + + charger { + compatible = "mediatek,mt6370-charger"; + interrupts = <48>, <68>, <6>; + interrupt-names = "attach_i", "uvp_d_evt", "mivr"; + io-channels = <&mt6370_adc MT6370_CHAN_IBUS>; + + mt6370_otg_vbus: usb-otg-vbus-regulator { + regulator-name = "mt6370-usb-otg-vbus"; + regulator-min-microvolt = <4350000>; + regulator-max-microvolt = <5800000>; + regulator-min-microamp = <500000>; + regulator-max-microamp = <3000000>; + }; + }; + + indicator { + compatible = "mediatek,mt6370-indicator"; + #address-cells = <1>; + #size-cells = <0>; + + multi-led@0 { + reg = <0>; + function = LED_FUNCTION_INDICATOR; + color = ; + led-max-microamp = <24000>; + #address-cells = <1>; + #size-cells = <0>; + led@0 { + reg = <0>; + color = ; + }; + led@1 { + reg = <1>; + color = ; + }; + led@2 { + reg = <2>; + color = ; + }; + }; + led@3 { + reg = <3>; + function = LED_FUNCTION_INDICATOR; + color = ; + led-max-microamp = <6000>; + }; + }; + + flashlight { + compatible = "mediatek,mt6370-flashlight"; + #address-cells = <1>; + #size-cells = <0>; + led@0 { + reg = <0>; + led-sources = <0>; + function = LED_FUNCTION_FLASH; + color = ; + function-enumerator = <1>; + led-max-microamp = <200000>; + flash-max-microamp = <500000>; + flash-max-timeout-us = <1248000>; + }; + led@1 { + reg = <1>; + led-sources = <1>; + function = LED_FUNCTION_FLASH; + color = ; + function-enumerator = <2>; + led-max-microamp = <200000>; + flash-max-microamp = <500000>; + flash-max-timeout-us = <1248000>; + }; + }; + + tcpc { + compatible = "mediatek,mt6370-tcpc"; + interrupts-extended = <&gpio26 4 IRQ_TYPE_LEVEL_LOW>; + + connector { + compatible = "usb-c-connector"; + label = "USB-C"; + vbus-supply = <&mt6370_otg_vbus>; + data-role = "dual"; + power-role = "dual"; + try-power-role = "sink"; + source-pdos = ; + sink-pdos = ; + op-sink-microwatt = <10000000>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + endpoint { + remote-endpoint = <&usb_hs>; + }; + }; + port@1 { + reg = <1>; + endpoint { + remote-endpoint = <&usb_ss>; + }; + }; + port@2 { + reg = <2>; + endpoint { + remote-endpoint = <&dp_aux>; + }; + }; + }; + }; + }; + + regulators { + dsvbst { + regulator-name = "mt6370-dsv-vbst"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6200000>; + }; + dsvpos { + regulator-name = "mt6370-dsv-vpos"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + regulator-boot-on; + }; + dsvneg { + regulator-name = "mt6370-dsv-vneg"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + regulator-boot-on; + }; + vibldo { + regulator-name = "mt6370-vib-ldo"; + regulator-min-microvolt = <1600000>; + regulator-max-microvolt = <4000000>; + }; + }; + }; + }; diff --git a/include/dt-bindings/iio/adc/mediatek,mt6370_adc.h b/include/dt-bindings/iio/adc/mediatek,mt6370_adc.h new file mode 100644 index 0000000..6ee7255 --- /dev/null +++ b/include/dt-bindings/iio/adc/mediatek,mt6370_adc.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ + +#ifndef __DT_BINDINGS_MEDIATEK_MT6370_ADC_H__ +#define __DT_BINDINGS_MEDIATEK_MT6370_ADC_H__ + +/* ADC Channel Index */ +#define MT6370_CHAN_VBUSDIV5 0 +#define MT6370_CHAN_VBUSDIV2 1 +#define MT6370_CHAN_VSYS 2 +#define MT6370_CHAN_VBAT 3 +#define MT6370_CHAN_TS_BAT 4 +#define MT6370_CHAN_IBUS 5 +#define MT6370_CHAN_IBAT 6 +#define MT6370_CHAN_CHG_VDDP 7 +#define MT6370_CHAN_TEMP_JC 8 +#define MT6370_CHAN_MAX 9 + +#endif -- 2.7.4