| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | /* |
| 3 | * Device Tree Source for the R9A08G045S33 SMARC Carrier-II's SoM board. |
| 4 | * |
| 5 | * Copyright (C) 2023 Renesas Electronics Corp. |
| 6 | */ |
| 7 | |
| 8 | #include <dt-bindings/gpio/gpio.h> |
| 9 | #include <dt-bindings/pinctrl/rzg2l-pinctrl.h> |
| 10 | |
| 11 | /* |
| 12 | * Signals of SW_CONFIG switches: |
| 13 | * @SW_SD0_DEV_SEL: |
| 14 | * 0 - SD0 is connected to eMMC |
| 15 | * 1 - SD0 is connected to uSD0 card |
| 16 | */ |
| 17 | #define SW_SD0_DEV_SEL 1 |
| 18 | |
| 19 | / { |
| 20 | compatible = "renesas,rzg3s-smarcm", "renesas,r9a08g045s33", "renesas,r9a08g045"; |
| 21 | |
| 22 | aliases { |
| 23 | mmc0 = &sdhi0; |
| 24 | }; |
| 25 | |
| 26 | chosen { |
| 27 | bootargs = "ignore_loglevel"; |
| 28 | stdout-path = "serial0:115200n8"; |
| 29 | }; |
| 30 | |
| 31 | memory@48000000 { |
| 32 | device_type = "memory"; |
| 33 | /* First 128MB is reserved for secure area. */ |
| 34 | reg = <0x0 0x48000000 0x0 0x38000000>; |
| 35 | }; |
| 36 | |
| 37 | vcc_sdhi0: regulator0 { |
| 38 | compatible = "regulator-fixed"; |
| 39 | regulator-name = "SDHI0 Vcc"; |
| 40 | regulator-min-microvolt = <3300000>; |
| 41 | regulator-max-microvolt = <3300000>; |
| 42 | gpios = <&pinctrl RZG2L_GPIO(2, 1) GPIO_ACTIVE_HIGH>; |
| 43 | enable-active-high; |
| 44 | }; |
| 45 | |
| 46 | #if SW_SD0_DEV_SEL |
| 47 | vccq_sdhi0: regulator1 { |
| 48 | compatible = "regulator-gpio"; |
| 49 | regulator-name = "SDHI0 VccQ"; |
| 50 | regulator-min-microvolt = <1800000>; |
| 51 | regulator-max-microvolt = <3300000>; |
| 52 | gpios = <&pinctrl RZG2L_GPIO(2, 2) GPIO_ACTIVE_HIGH>; |
| 53 | gpios-states = <1>; |
| 54 | states = <3300000 1>, <1800000 0>; |
| 55 | }; |
| 56 | #else |
| 57 | reg_1p8v: regulator1 { |
| 58 | compatible = "regulator-fixed"; |
| 59 | regulator-name = "fixed-1.8V"; |
| 60 | regulator-min-microvolt = <1800000>; |
| 61 | regulator-max-microvolt = <1800000>; |
| 62 | regulator-boot-on; |
| 63 | regulator-always-on; |
| 64 | }; |
| 65 | #endif |
| 66 | }; |
| 67 | |
| 68 | &extal_clk { |
| 69 | clock-frequency = <24000000>; |
| 70 | }; |
| 71 | |
| 72 | #if SW_SD0_DEV_SEL |
| 73 | /* SD0 slot */ |
| 74 | &sdhi0 { |
| 75 | pinctrl-0 = <&sdhi0_pins>; |
| 76 | pinctrl-1 = <&sdhi0_uhs_pins>; |
| 77 | pinctrl-names = "default", "state_uhs"; |
| 78 | vmmc-supply = <&vcc_sdhi0>; |
| 79 | vqmmc-supply = <&vccq_sdhi0>; |
| 80 | bus-width = <4>; |
| 81 | sd-uhs-sdr50; |
| 82 | sd-uhs-sdr104; |
| 83 | max-frequency = <125000000>; |
| 84 | status = "okay"; |
| 85 | }; |
| 86 | #else |
| 87 | /* eMMC */ |
| 88 | &sdhi0 { |
| 89 | pinctrl-0 = <&sdhi0_emmc_pins>; |
| 90 | pinctrl-1 = <&sdhi0_emmc_pins>; |
| 91 | pinctrl-names = "default", "state_uhs"; |
| 92 | vmmc-supply = <&vcc_sdhi0>; |
| 93 | vqmmc-supply = <®_1p8v>; |
| 94 | bus-width = <8>; |
| 95 | mmc-hs200-1_8v; |
| 96 | non-removable; |
| 97 | fixed-emmc-driver-type = <1>; |
| 98 | max-frequency = <125000000>; |
| 99 | status = "okay"; |
| 100 | }; |
| 101 | #endif |
| 102 | |
| 103 | &pinctrl { |
| 104 | sdhi0_pins: sd0 { |
| 105 | data { |
| 106 | pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3"; |
| 107 | power-source = <3300>; |
| 108 | }; |
| 109 | |
| 110 | ctrl { |
| 111 | pins = "SD0_CLK", "SD0_CMD"; |
| 112 | power-source = <3300>; |
| 113 | }; |
| 114 | |
| 115 | cd { |
| 116 | pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */ |
| 117 | }; |
| 118 | }; |
| 119 | |
| 120 | sdhi0_uhs_pins: sd0-uhs { |
| 121 | data { |
| 122 | pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3"; |
| 123 | power-source = <1800>; |
| 124 | }; |
| 125 | |
| 126 | ctrl { |
| 127 | pins = "SD0_CLK", "SD0_CMD"; |
| 128 | power-source = <1800>; |
| 129 | }; |
| 130 | |
| 131 | cd { |
| 132 | pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */ |
| 133 | }; |
| 134 | }; |
| 135 | |
| 136 | sdhi0_emmc_pins: sd0-emmc { |
| 137 | pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3", |
| 138 | "SD0_DATA4", "SD0_DATA5", "SD0_DATA6", "SD0_DATA7", |
| 139 | "SD0_CLK", "SD0_CMD", "SD0_RST#"; |
| 140 | power-source = <1800>; |
| 141 | }; |
| 142 | }; |