From 8713c33c448dddcaee33d71fe3d5d2ed40c49283 Mon Sep 17 00:00:00 2001 From: Ahmad Fatoum Date: Wed, 29 Jan 2020 16:04:18 +0100 Subject: [PATCH] fdts: stm32mp1: add support for Linux Automation MC-1 board The Linux Automation MC-1 is a SBC built around the Octavo Systems OSD32MP15x SiP. The SiP features up to 1 GB DDR3 RAM, EEPROM and PMIC. The board has eMMC and a SD slot for storage. Signed-off-by: Ahmad Fatoum --- fdts/stm32mp157c-lxa-mc1.dts | 110 ++++++++++++++ fdts/stm32mp15xx-osd32.dtsi | 271 +++++++++++++++++++++++++++++++++++ 2 files changed, 381 insertions(+) create mode 100644 fdts/stm32mp157c-lxa-mc1.dts create mode 100644 fdts/stm32mp15xx-osd32.dtsi diff --git a/fdts/stm32mp157c-lxa-mc1.dts b/fdts/stm32mp157c-lxa-mc1.dts new file mode 100644 index 000000000000..e75e7b5ba28b --- /dev/null +++ b/fdts/stm32mp157c-lxa-mc1.dts @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */ +/* + * Copyright (C) 2020 STMicroelectronics - All Rights Reserved + * Copyright (C) 2020 Ahmad Fatoum, Pengutronix + */ + +/dts-v1/; + +#include "stm32mp157c.dtsi" +#include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi" +#include "stm32mp157c-security.dtsi" +#include "stm32mp15xx-osd32.dtsi" + +/ { + model = "Linux Automation MC-1 board"; + compatible = "lxa,stm32mp157c-mc1", "oct,stm32mp157c-osd32", "st,stm32mp157"; + + aliases { + mmc0 = &sdmmc1; + mmc1 = &sdmmc2; + serial0 = &uart4; + }; + + chosen { + stdout-path = &uart4; + }; + + led-act { + compatible = "gpio-leds"; + + green { + label = "mc1:green:act"; + gpios = <&gpioa 13 1>; + linux,default-trigger = "heartbeat"; + default-state = "off"; + }; + }; + + reg_3v3: regulator_3v3 { + compatible = "regulator-fixed"; + regulator-name = "3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&v3v3>; + }; +}; + +&sdmmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc1_b4_pu_pins_a>; + cd-gpios = <&gpioh 3 1>; + st,neg-edge; + bus-width = <4>; + vmmc-supply = <®_3v3>; + no-1-8-v; + status = "okay"; +}; + +&sdmmc2 { + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>; + non-removable; + no-sd; + no-sdio; + st,neg-edge; + bus-width = <8>; + vmmc-supply = <®_3v3>; + no-1-8-v; + mmc-ddr-3_3v; + status = "okay"; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&uart4_pins_a>; + status = "okay"; +}; + +&pinctrl { + sdmmc1_b4_pu_pins_a: sdmmc1-pu-b4-0 { + pins1 { + pinmux = , /* SDMMC1_D0 */ + , /* SDMMC1_D1 */ + , /* SDMMC1_D2 */ + , /* SDMMC1_D3 */ + ; /* SDMMC1_CMD */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + pins2 { + pinmux = ; /* SDMMC1_CK */ + slew-rate = <2>; + drive-push-pull; + bias-pull-up; + }; + }; + + sdmmc2_d47_pins_b: sdmmc2-d47-1 { + pins { + pinmux = , /* eMMC_D4 */ + , /* eMMC_D5 */ + , /* eMMC_D6 */ + ; /* eMMC_D7 */ + slew-rate = <1>; + drive-push-pull; + bias-disable; + }; + }; +}; diff --git a/fdts/stm32mp15xx-osd32.dtsi b/fdts/stm32mp15xx-osd32.dtsi new file mode 100644 index 000000000000..453f18c30873 --- /dev/null +++ b/fdts/stm32mp15xx-osd32.dtsi @@ -0,0 +1,271 @@ +/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */ +/* + * Copyright (C) 2020 STMicroelectronics - All Rights Reserved + * Copyright (C) 2020 Ahmad Fatoum, Pengutronix + */ + +#include "stm32mp157cac-pinctrl.dtsi" + +&i2c4 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c4_pins_a>; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + status = "okay"; + + /* spare dmas for other usage */ + /delete-property/ dmas; + /delete-property/ dma-names; + + pmic: stpmic@33 { + compatible = "st,stpmic1"; + reg = <0x33>; + interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <2>; + + regulators { + compatible = "st,stpmic1-regulators"; + + ldo1-supply = <&v3v3>; + ldo3-supply = <&vdd_ddr>; + ldo6-supply = <&v3v3>; + pwr_sw1-supply = <&bst_out>; + pwr_sw2-supply = <&bst_out>; + + vddcore: buck1 { + regulator-name = "vddcore"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-initial-mode = <0>; + regulator-over-current-protection; + }; + + vdd_ddr: buck2 { + regulator-name = "vdd_ddr"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-initial-mode = <0>; + regulator-over-current-protection; + }; + + vdd: buck3 { + regulator-name = "vdd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + st,mask-reset; + regulator-initial-mode = <0>; + regulator-over-current-protection; + }; + + v3v3: buck4 { + regulator-name = "v3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-over-current-protection; + regulator-initial-mode = <0>; + }; + + v1v8_audio: ldo1 { + regulator-name = "v1v8_audio"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + + }; + + v3v3_hdmi: ldo2 { + regulator-name = "v3v3_hdmi"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + + }; + + vtt_ddr: ldo3 { + regulator-name = "vtt_ddr"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <750000>; + regulator-always-on; + regulator-over-current-protection; + }; + + vdd_usb: ldo4 { + regulator-name = "vdd_usb"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + vdda: ldo5 { + regulator-name = "vdda"; + regulator-min-microvolt = <2900000>; + regulator-max-microvolt = <2900000>; + regulator-boot-on; + }; + + v1v2_hdmi: ldo6 { + regulator-name = "v1v2_hdmi"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + + }; + + vref_ddr: vref_ddr { + regulator-name = "vref_ddr"; + regulator-always-on; + regulator-over-current-protection; + }; + + bst_out: boost { + regulator-name = "bst_out"; + }; + + vbus_otg: pwr_sw1 { + regulator-name = "vbus_otg"; + regulator-active-discharge; + }; + + vbus_sw: pwr_sw2 { + regulator-name = "vbus_sw"; + regulator-active-discharge; + }; + }; + + pmic_watchdog: watchdog { + compatible = "st,stpmic1-wdt"; + status = "disabled"; + }; + }; + + sip_eeprom: eeprom@50 { + compatible = "atmel,24c32"; + reg = <0x50>; + }; +}; + +&rng1 { + status = "okay"; +}; + +/* ATF Specific */ +#include + +/ { + aliases { + gpio0 = &gpioa; + gpio1 = &gpiob; + gpio2 = &gpioc; + gpio3 = &gpiod; + gpio4 = &gpioe; + gpio5 = &gpiof; + gpio6 = &gpiog; + gpio7 = &gpioh; + gpio8 = &gpioi; + gpio25 = &gpioz; + i2c3 = &i2c4; + }; +}; + +/* CLOCK init */ +&rcc { + secure-status = "disabled"; + st,clksrc = < + CLK_MPU_PLL1P + CLK_AXI_PLL2P + CLK_MCU_PLL3P + CLK_PLL12_HSE + CLK_PLL3_HSE + CLK_PLL4_HSE + CLK_RTC_LSE + CLK_MCO1_DISABLED + CLK_MCO2_DISABLED + >; + + st,clkdiv = < + 1 /*MPU*/ + 0 /*AXI*/ + 0 /*MCU*/ + 1 /*APB1*/ + 1 /*APB2*/ + 1 /*APB3*/ + 1 /*APB4*/ + 2 /*APB5*/ + 23 /*RTC*/ + 0 /*MCO1*/ + 0 /*MCO2*/ + >; + + st,pkcs = < + CLK_CKPER_HSE + CLK_FMC_ACLK + CLK_QSPI_ACLK + CLK_ETH_DISABLED + CLK_SDMMC12_PLL4P + CLK_DSI_DSIPLL + CLK_STGEN_HSE + CLK_USBPHY_HSE + CLK_SPI2S1_PLL3Q + CLK_SPI2S23_PLL3Q + CLK_SPI45_HSI + CLK_SPI6_HSI + CLK_I2C46_HSI + CLK_SDMMC3_PLL4P + CLK_USBO_USBPHY + CLK_ADC_CKPER + CLK_CEC_LSE + CLK_I2C12_HSI + CLK_I2C35_HSI + CLK_UART1_HSI + CLK_UART24_HSI + CLK_UART35_HSI + CLK_UART6_HSI + CLK_UART78_HSI + CLK_SPDIF_PLL4P + CLK_FDCAN_PLL4R + CLK_SAI1_PLL3Q + CLK_SAI2_PLL3Q + CLK_SAI3_PLL3Q + CLK_SAI4_PLL3Q + CLK_RNG1_LSI + CLK_RNG2_LSI + CLK_LPTIM1_PCLK1 + CLK_LPTIM23_PCLK3 + CLK_LPTIM45_LSE + >; + + /* VCO = 1300.0 MHz => P = 650 (CPU) */ + pll1: st,pll@0 { + cfg = < 2 80 0 0 0 PQR(1,0,0) >; + frac = < 0x800 >; + }; + + /* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */ + pll2: st,pll@1 { + cfg = < 2 65 1 0 0 PQR(1,1,1) >; + frac = < 0x1400 >; + }; + + /* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */ + pll3: st,pll@2 { + cfg = < 1 33 1 16 36 PQR(1,1,1) >; + frac = < 0x1a04 >; + }; + + /* VCO = 594.0 MHz => P = 99, Q = 74, R = 74 */ + pll4: st,pll@3 { + cfg = < 3 98 5 7 7 PQR(1,1,1) >; + }; +}; + +&bsec { + board_id: board_id@ec { + reg = <0xec 0x4>; + status = "okay"; + secure-status = "okay"; + }; +}; -- 2.25.0