| Rouven Czerwinski | e67497f | 2021-06-18 11:07:20 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */ |
| 2 | /* |
| 3 | * Copyright (C) 2020 STMicroelectronics - All Rights Reserved |
| 4 | * Copyright (C) 2021 Rouven Czerwinski, Pengutronix |
| 5 | */ |
| 6 | |
| 7 | /dts-v1/; |
| 8 | |
| 9 | #include "stm32mp157.dtsi" |
| 10 | #include "stm32mp15xc.dtsi" |
| 11 | #include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi" |
| 12 | #include "stm32mp15xx-osd32.dtsi" |
| 13 | #include "stm32mp15xxac-pinctrl.dtsi" |
| 14 | |
| 15 | / { |
| 16 | model = "Linux Automation Test Automation Controller (TAC)"; |
| 17 | compatible = "lxa,stm32mp157c-tac", "oct,stm32mp15xx-osd32", "st,stm32mp157"; |
| 18 | |
| 19 | aliases { |
| 20 | mmc1 = &sdmmc2; |
| 21 | serial0 = &uart4; |
| 22 | }; |
| 23 | |
| 24 | |
| 25 | chosen { |
| 26 | stdout-path = &uart4; |
| 27 | }; |
| 28 | |
| 29 | led-controller-0 { |
| 30 | compatible = "gpio-leds"; |
| 31 | |
| 32 | led-0 { |
| 33 | label = "tac:green:user1"; |
| 34 | gpios = <&gpiof 10 1>; |
| 35 | linux,default-trigger = "heartbeat"; |
| 36 | }; |
| 37 | }; |
| 38 | |
| 39 | reg_3v3: regulator_3v3 { |
| 40 | compatible = "regulator-fixed"; |
| 41 | regulator-name = "3V3"; |
| 42 | regulator-min-microvolt = <3300000>; |
| 43 | regulator-max-microvolt = <3300000>; |
| 44 | regulator-always-on; |
| 45 | vin-supply = <&v3v3>; |
| 46 | }; |
| 47 | }; |
| 48 | |
| 49 | &pinctrl { |
| 50 | tac_sdmmc2_d47_pins_b: tac-sdmmc2-d47-1 { |
| 51 | pins { |
| 52 | pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */ |
| 53 | <STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */ |
| 54 | <STM32_PINMUX('C', 6, AF10)>, /* SDMMC2_D6 */ |
| 55 | <STM32_PINMUX('C', 7, AF10)>; /* SDMMC2_D7 */ |
| 56 | slew-rate = <1>; |
| 57 | drive-push-pull; |
| 58 | bias-disable; |
| 59 | }; |
| 60 | }; |
| 61 | }; |
| 62 | |
| 63 | /* VCO = 624 MHz => P = 208, Q = 48, R = 104 */ |
| 64 | &pll3 { |
| 65 | st,pll = <&pll3_cfg2>; |
| 66 | |
| 67 | pll3_cfg2: pll3-cfg2 { |
| 68 | st,pll_vco = <&pll3_vco_624Mhz>; |
| 69 | st,pll_div_pqr = <2 12 5>; |
| 70 | }; |
| 71 | }; |
| 72 | |
| 73 | /* VCO = 750.0 MHz => P = 125, Q = 75, R = 62.5 */ |
| 74 | &pll4 { |
| 75 | st,pll = <&pll4_cfg2>; |
| 76 | |
| 77 | pll4_cfg2: pll4-cfg2 { |
| 78 | st,pll_vco = <&pll4_vco_750Mhz>; |
| 79 | st,pll_div_pqr = <5 9 11>; |
| 80 | }; |
| 81 | }; |
| 82 | |
| 83 | &rcc { |
| 84 | /* change parent clocks */ |
| 85 | st,clksrc = < |
| 86 | CLK_MPU_PLL1P |
| 87 | CLK_AXI_PLL2P |
| 88 | CLK_MCU_PLL3P |
| 89 | CLK_RTC_LSE |
| 90 | CLK_MCO1_DISABLED |
| 91 | CLK_MCO2_DISABLED |
| 92 | CLK_CKPER_HSE |
| 93 | CLK_FMC_ACLK |
| 94 | CLK_QSPI_ACLK |
| 95 | CLK_ETH_PLL4P |
| 96 | CLK_SDMMC12_PLL3R |
| 97 | CLK_DSI_DSIPLL |
| 98 | CLK_STGEN_HSE |
| 99 | CLK_USBPHY_HSE |
| 100 | CLK_SPI2S1_PLL3Q |
| 101 | CLK_SPI2S23_PLL3Q |
| 102 | CLK_SPI45_HSI |
| 103 | CLK_SPI6_HSI |
| 104 | CLK_I2C46_HSI |
| 105 | CLK_SDMMC3_DISABLED |
| 106 | CLK_USBO_USBPHY |
| 107 | CLK_ADC_CKPER |
| 108 | CLK_CEC_DISABLED |
| 109 | CLK_I2C12_HSI |
| 110 | CLK_I2C35_HSI |
| 111 | CLK_UART1_HSI |
| 112 | CLK_UART24_HSI |
| 113 | CLK_UART35_HSI |
| 114 | CLK_UART6_HSI |
| 115 | CLK_UART78_HSI |
| 116 | CLK_SPDIF_DISABLED |
| 117 | CLK_FDCAN_PLL3Q |
| 118 | CLK_SAI1_DISABLED |
| 119 | CLK_SAI2_DISABLED |
| 120 | CLK_SAI3_DISABLED |
| 121 | CLK_SAI4_DISABLED |
| 122 | CLK_RNG1_LSI |
| 123 | CLK_RNG2_LSI |
| 124 | CLK_LPTIM1_PCLK1 |
| 125 | CLK_LPTIM23_PCLK3 |
| 126 | CLK_LPTIM45_LSE |
| 127 | >; |
| 128 | |
| 129 | st,pll_vco { |
| 130 | pll3_vco_624Mhz: pll3-vco-624Mhz { |
| 131 | src = <CLK_PLL3_HSE>; |
| 132 | divmn = <1 51>; |
| 133 | }; |
| 134 | |
| 135 | pll4_vco_750Mhz: pll4-vco-750Mhz { |
| 136 | src = <CLK_PLL4_HSE>; |
| 137 | divmn = <3 124>; |
| 138 | }; |
| 139 | }; |
| 140 | }; |
| 141 | |
| 142 | &sdmmc2 { |
| 143 | pinctrl-names = "default"; |
| 144 | pinctrl-0 = <&sdmmc2_b4_pins_a &tac_sdmmc2_d47_pins_b>; |
| 145 | bus-width = <8>; |
| 146 | mmc-ddr-3_3v; |
| 147 | no-1-8-v; |
| 148 | no-sd; |
| 149 | no-sdio; |
| 150 | non-removable; |
| 151 | st,neg-edge; |
| 152 | vmmc-supply = <®_3v3>; |
| 153 | status = "okay"; |
| 154 | }; |
| 155 | |
| 156 | &uart4 { |
| 157 | pinctrl-names = "default"; |
| 158 | pinctrl-0 = <&uart4_pins_a>; |
| 159 | status = "okay"; |
| 160 | }; |