Based on kernel version 6.11
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | MediaTek MT6397/MT6323 Multifunction Device Driver MT6397/MT6323 is a multifunction device with the following sub modules: - Regulator - RTC - Audio codec - GPIO - Clock - LED - Keys - Power controller It is interfaced to host controller using SPI interface by a proprietary hardware called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap. See the following for pwarp node definitions: ../soc/mediatek/mediatek,pwrap.yaml This document describes the binding for MFD device and its sub module. Required properties: compatible: "mediatek,mt6323" for PMIC MT6323 "mediatek,mt6331" for PMIC MT6331 and MT6332 "mediatek,mt6357" for PMIC MT6357 "mediatek,mt6358" for PMIC MT6358 "mediatek,mt6359" for PMIC MT6359 "mediatek,mt6366", "mediatek,mt6358" for PMIC MT6366 "mediatek,mt6397" for PMIC MT6397 Optional subnodes: - rtc Required properties: Should be one of follows - compatible: "mediatek,mt6323-rtc" - compatible: "mediatek,mt6331-rtc" - compatible: "mediatek,mt6358-rtc" - compatible: "mediatek,mt6397-rtc" For details, see ../rtc/rtc-mt6397.txt - regulators Required properties: - compatible: "mediatek,mt6323-regulator" see ../regulator/mt6323-regulator.txt - compatible: "mediatek,mt6358-regulator" - compatible: "mediatek,mt6366-regulator", "mediatek-mt6358-regulator" see ../regulator/mt6358-regulator.txt - compatible: "mediatek,mt6397-regulator" see ../regulator/mt6397-regulator.txt - codec Required properties: - compatible: "mediatek,mt6397-codec" or "mediatek,mt6358-sound" - clk Required properties: - compatible: "mediatek,mt6397-clk" - led Required properties: - compatible: "mediatek,mt6323-led" see ../leds/leds-mt6323.txt - keys Required properties: Should be one of the following - compatible: "mediatek,mt6323-keys" - compatible: "mediatek,mt6331-keys" - compatible: "mediatek,mt6397-keys" see ../input/mtk-pmic-keys.txt - power-controller Required properties: - compatible: "mediatek,mt6323-pwrc" For details, see ../power/reset/mt6323-poweroff.txt - pin-controller Required properties: - compatible: "mediatek,mt6397-pinctrl" For details, see ../pinctrl/pinctrl-mt65xx.txt Example: pwrap: pwrap@1000f000 { compatible = "mediatek,mt8135-pwrap"; ... pmic { compatible = "mediatek,mt6397"; codec: mt6397codec { compatible = "mediatek,mt6397-codec"; }; regulators { compatible = "mediatek,mt6397-regulator"; mt6397_vpca15_reg: buck_vpca15 { regulator-compatible = "buck_vpca15"; regulator-name = "vpca15"; regulator-min-microvolt = <850000>; regulator-max-microvolt = <1400000>; regulator-ramp-delay = <12500>; regulator-always-on; }; mt6397_vgp4_reg: ldo_vgp4 { regulator-compatible = "ldo_vgp4"; regulator-name = "vgp4"; regulator-min-microvolt = <1200000>; regulator-max-microvolt = <3300000>; regulator-enable-ramp-delay = <218>; }; }; }; }; |