[v3,10/10] arm64: dts: sparx5: Add i2c devices, i2c muxes

Message ID	20200615133242.24911-11-lars.povlsen@microchip.com (mailing list archive)
State	Superseded
Headers	show Return-Path: <SRS0=PdPw=74=microchip.com=Lars.Povlsen@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 171A320B1F IronPort-SDR: 5ofjhwF7QOHeq5AcCXwJ+TCUOP6Bt3/KzVZaXS2RqLWGFgxXxu3bnMWA7BEvIaFLyg3OI1Ou9h i7b6ZK1wZSveaP9j6QTOp71W32s4P7z/ihAr4gd5uPBycPOOcXwapyFCW8jhag58e+l7tyBMHx 4RuAUA8J/QCH3am5KHoZbPPuUX2gjDWwtq0Lr7ngschjtg7quruj8UiVWD+5D12iyh1pHTrCJ8 WuS1vRm0M+bEBdrPnkvECVGuUDhw+Pbud7FXADyoQOAOD7d7l5mfNTpiROppoQXC39yofNwhQ9 Ppg= From: Lars Povlsen <lars.povlsen@microchip.com> To: SoC Team <soc@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Stephen Boyd <sboyd@kernel.org>, Linus Walleij <linus.walleij@linaro.org> CC: Lars Povlsen <lars.povlsen@microchip.com>, Steen Hegelund <Steen.Hegelund@microchip.com>, Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>, Olof Johansson <olof@lixom.net>, "Michael Turquette" <mturquette@baylibre.com>, <devicetree@vger.kernel.org>, <linux-clk@vger.kernel.org>, <linux-gpio@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, Alexandre Belloni <alexandre.belloni@bootlin.com> Subject: [PATCH v3 10/10] arm64: dts: sparx5: Add i2c devices, i2c muxes Date: Mon, 15 Jun 2020 15:32:42 +0200 Message-ID: <20200615133242.24911-11-lars.povlsen@microchip.com> In-Reply-To: <20200615133242.24911-1-lars.povlsen@microchip.com> References: <20200615133242.24911-1-lars.povlsen@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain
Series	Adding support for Microchip Sparx5 SoC \| expand [v3,00/10] Adding support for Microchip Sparx5 SoC [v3,01/10] dt-bindings: arm: sparx5: Add documentation for Microchip Sparx5 SoC [v3,02/10] arm64: sparx5: Add support for Microchip 2xA53 SoC [v3,03/10] arm64: dts: sparx5: Add basic cpu support [v3,04/10] arm64: dts: sparx5: Add pinctrl support [v3,05/10] pinctrl: ocelot: Add Sparx5 SoC support [v3,06/10] dt-bindings: clock: sparx5: Add Sparx5 SoC DPLL clock [v3,07/10] dt-bindings: clock: sparx5: Add bindings include file [v3,08/10] clk: sparx5: Add Sparx5 SoC DPLL clock driver [v3,09/10] arm64: dts: sparx5: Add Sparx5 SoC DPLL clock [v3,10/10] arm64: dts: sparx5: Add i2c devices, i2c muxes

diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi index 161846caf9c94..cf712e80615da 100644 --- a/arch/arm64/boot/dts/microchip/sparx5.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi @@ -170,6 +170,44 @@ uart2_pins: uart2-pins { pins = "GPIO_26", "GPIO_27"; function = "uart2"; }; + + i2c_pins: i2c-pins { + pins = "GPIO_14", "GPIO_15"; + function = "twi"; + }; + + i2c2_pins: i2c2-pins { + pins = "GPIO_28", "GPIO_29"; + function = "twi2"; + }; + }; + + i2c0: i2c@600101000 { + compatible = "snps,designware-i2c"; + status = "disabled"; + pinctrl-0 = <&i2c_pins>; + pinctrl-names = "default"; + reg = <0x6 0x00101000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>; + i2c-sda-hold-time-ns = <300>; + clock-frequency = <100000>; + clocks = <&ahb_clk>; + }; + + i2c1: i2c@600103000 { + compatible = "snps,designware-i2c"; + status = "disabled"; + pinctrl-0 = <&i2c2_pins>; + pinctrl-names = "default"; + reg = <0x6 0x00103000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; + i2c-sda-hold-time-ns = <300>; + clock-frequency = <100000>; + clocks = <&ahb_clk>; }; }; }; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts index d7f985f7ee020..91ee5b6cfc37a 100644 --- a/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts @@ -15,3 +15,7 @@ memory@0 { reg = <0x00000000 0x00000000 0x10000000>; }; }; + +&i2c1 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi b/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi index 9b2aec400101b..18a535a043686 100644 --- a/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi @@ -7,9 +7,246 @@ #include "sparx5_pcb_common.dtsi" /{ + aliases { + i2c0 = &i2c0; + i2c100 = &i2c100; + i2c101 = &i2c101; + i2c102 = &i2c102; + i2c103 = &i2c103; + i2c104 = &i2c104; + i2c105 = &i2c105; + i2c106 = &i2c106; + i2c107 = &i2c107; + i2c108 = &i2c108; + i2c109 = &i2c109; + i2c110 = &i2c110; + i2c111 = &i2c111; + i2c112 = &i2c112; + i2c113 = &i2c113; + i2c114 = &i2c114; + i2c115 = &i2c115; + i2c116 = &i2c116; + i2c117 = &i2c117; + i2c118 = &i2c118; + i2c119 = &i2c119; + }; + gpio-restart { compatible = "gpio-restart"; gpios = <&gpio 37 GPIO_ACTIVE_LOW>; priority = <200>; }; }; + +&gpio { + i2cmux_pins_i: i2cmux-pins-i { + pins = "GPIO_16", "GPIO_17", "GPIO_18", "GPIO_19", + "GPIO_20", "GPIO_22", "GPIO_36", "GPIO_35", + "GPIO_50", "GPIO_51", "GPIO_56", "GPIO_57"; + function = "twi_scl_m"; + output-low; + }; + i2cmux_0: i2cmux-0 { + pins = "GPIO_16"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_1: i2cmux-1 { + pins = "GPIO_17"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_2: i2cmux-2 { + pins = "GPIO_18"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_3: i2cmux-3 { + pins = "GPIO_19"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_4: i2cmux-4 { + pins = "GPIO_20"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_5: i2cmux-5 { + pins = "GPIO_22"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_6: i2cmux-6 { + pins = "GPIO_36"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_7: i2cmux-7 { + pins = "GPIO_35"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_8: i2cmux-8 { + pins = "GPIO_50"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_9: i2cmux-9 { + pins = "GPIO_51"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_10: i2cmux-10 { + pins = "GPIO_56"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_11: i2cmux-11 { + pins = "GPIO_57"; + function = "twi_scl_m"; + output-high; + }; +}; + +&axi { + i2c0_imux: i2c0-imux@0 { + compatible = "i2c-mux-pinctrl"; + #address-cells = <1>; + #size-cells = <0>; + i2c-parent = <&i2c0>; + }; + i2c0_emux: i2c0-emux@0 { + compatible = "i2c-mux-gpio"; + #address-cells = <1>; + #size-cells = <0>; + i2c-parent = <&i2c0>; + }; +}; + +&i2c0_imux { + pinctrl-names = + "i2c100", "i2c101", "i2c102", "i2c103", + "i2c104", "i2c105", "i2c106", "i2c107", + "i2c108", "i2c109", "i2c110", "i2c111", "idle"; + pinctrl-0 = <&i2cmux_0>; + pinctrl-1 = <&i2cmux_1>; + pinctrl-2 = <&i2cmux_2>; + pinctrl-3 = <&i2cmux_3>; + pinctrl-4 = <&i2cmux_4>; + pinctrl-5 = <&i2cmux_5>; + pinctrl-6 = <&i2cmux_6>; + pinctrl-7 = <&i2cmux_7>; + pinctrl-8 = <&i2cmux_8>; + pinctrl-9 = <&i2cmux_9>; + pinctrl-10 = <&i2cmux_10>; + pinctrl-11 = <&i2cmux_11>; + pinctrl-12 = <&i2cmux_pins_i>; + i2c100: i2c_sfp1 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c101: i2c_sfp2 { + reg = <0x1>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c102: i2c_sfp3 { + reg = <0x2>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c103: i2c_sfp4 { + reg = <0x3>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c104: i2c_sfp5 { + reg = <0x4>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c105: i2c_sfp6 { + reg = <0x5>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c106: i2c_sfp7 { + reg = <0x6>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c107: i2c_sfp8 { + reg = <0x7>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c108: i2c_sfp9 { + reg = <0x8>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c109: i2c_sfp10 { + reg = <0x9>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c110: i2c_sfp11 { + reg = <0xa>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c111: i2c_sfp12 { + reg = <0xb>; + #address-cells = <1>; + #size-cells = <0>; + }; +}; + +&i2c0_emux { + mux-gpios = <&gpio 55 GPIO_ACTIVE_HIGH + &gpio 60 GPIO_ACTIVE_HIGH + &gpio 61 GPIO_ACTIVE_HIGH + &gpio 54 GPIO_ACTIVE_HIGH>; + idle-state = <0x8>; + i2c112: i2c_sfp13 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c113: i2c_sfp14 { + reg = <0x1>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c114: i2c_sfp15 { + reg = <0x2>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c115: i2c_sfp16 { + reg = <0x3>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c116: i2c_sfp17 { + reg = <0x4>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c117: i2c_sfp18 { + reg = <0x5>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c118: i2c_sfp19 { + reg = <0x6>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c119: i2c_sfp20 { + reg = <0x7>; + #address-cells = <1>; + #size-cells = <0>; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi b/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi index 9b2aec400101b..d71f11a10b3d2 100644 --- a/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi @@ -7,9 +7,86 @@ #include "sparx5_pcb_common.dtsi" /{ + aliases { + i2c0 = &i2c0; + i2c152 = &i2c152; + i2c153 = &i2c153; + i2c154 = &i2c154; + i2c155 = &i2c155; + }; + gpio-restart { compatible = "gpio-restart"; gpios = <&gpio 37 GPIO_ACTIVE_LOW>; priority = <200>; }; }; + +&gpio { + i2cmux_pins_i: i2cmux-pins-i { + pins = "GPIO_35", "GPIO_36", + "GPIO_50", "GPIO_51"; + function = "twi_scl_m"; + output-low; + }; + i2cmux_s29: i2cmux-0 { + pins = "GPIO_35"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_s30: i2cmux-1 { + pins = "GPIO_36"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_s31: i2cmux-2 { + pins = "GPIO_50"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_s32: i2cmux-3 { + pins = "GPIO_51"; + function = "twi_scl_m"; + output-high; + }; +}; + +&axi { + i2c0_imux: i2c0-imux@0 { + compatible = "i2c-mux-pinctrl"; + #address-cells = <1>; + #size-cells = <0>; + i2c-parent = <&i2c0>; + }; +}; + +&i2c0_imux { + pinctrl-names = + "i2c152", "i2c153", "i2c154", "i2c155", + "idle"; + pinctrl-0 = <&i2cmux_s29>; + pinctrl-1 = <&i2cmux_s30>; + pinctrl-2 = <&i2cmux_s31>; + pinctrl-3 = <&i2cmux_s32>; + pinctrl-4 = <&i2cmux_pins_i>; + i2c152: i2c_sfp1 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c153: i2c_sfp2 { + reg = <0x1>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c154: i2c_sfp3 { + reg = <0x2>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c155: i2c_sfp4 { + reg = <0x3>; + #address-cells = <1>; + #size-cells = <0>; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb_common.dtsi b/arch/arm64/boot/dts/microchip/sparx5_pcb_common.dtsi index 1f99d0db1284f..9d1a082de3e29 100644 --- a/arch/arm64/boot/dts/microchip/sparx5_pcb_common.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb_common.dtsi @@ -13,3 +13,7 @@ &uart0 { &uart1 { status = "okay"; }; + +&i2c0 { + status = "okay"; +};

[v3,10/10] arm64: dts: sparx5: Add i2c devices, i2c muxes

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