mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
4a87fea6de
This patch allows to switch the CPU frequency to 800MHz on the ST Microelectronics board (DK1/DK2 and EV1) or dh electronics SOM using the STM32MP15x SOC and when it is supported by the HW (for STM32MP15xD and STM32MP15xF). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
324 lines
6.3 KiB
Text
324 lines
6.3 KiB
Text
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2019 Marek Vasut <marex@denx.de>
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*/
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#include <dt-bindings/clock/stm32mp1-clksrc.h>
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#include "stm32mp15-u-boot.dtsi"
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#include "stm32mp15-ddr3-dhsom-2x1Gb-1066-binG.dtsi"
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#include "stm32mp15-ddr3-dhsom-2x2Gb-1066-binG.dtsi"
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#include "stm32mp15-ddr3-dhsom-2x4Gb-1066-binG.dtsi"
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/ {
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aliases {
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i2c1 = &i2c2;
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i2c3 = &i2c4;
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i2c4 = &i2c5;
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mmc0 = &sdmmc1;
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mmc1 = &sdmmc2;
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spi0 = &qspi;
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usb0 = &usbotg_hs;
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};
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config {
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u-boot,boot-led = "heartbeat";
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u-boot,error-led = "error";
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st,fastboot-gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
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st,stm32prog-gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
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dh,som-coding-gpios = <&gpiof 12 0>, <&gpiof 13 0>, <&gpiof 15 0>;
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dh,ddr3-coding-gpios = <&gpioz 6 0>, <&gpioz 7 0>;
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};
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led {
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red {
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label = "error";
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gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
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default-state = "off";
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status = "okay";
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};
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blue {
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default-state = "on";
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};
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};
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/* This is actually on FMC2, but we do not have bus driver for that */
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ksz8851: ks8851mll@64000000 {
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compatible = "micrel,ks8851-mll";
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reg = <0x64000000 0x20000>;
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};
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};
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&gpiof {
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snor-nwp {
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gpio-hog;
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gpios = <7 0>;
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output-high;
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line-name = "spi-nor-nwp";
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};
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};
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&i2c4 {
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u-boot,dm-pre-reloc;
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};
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&i2c4_pins_a {
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u-boot,dm-pre-reloc;
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pins {
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u-boot,dm-pre-reloc;
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};
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};
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&pinctrl {
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/* These should bound to FMC2 bus driver, but we do not have one */
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pinctrl-0 = <&fmc_pins_b>;
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pinctrl-1 = <&fmc_sleep_pins_b>;
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pinctrl-names = "default", "sleep";
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fmc_pins_b: fmc-0 {
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pins1 {
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pinmux = <STM32_PINMUX('D', 4, AF12)>, /* FMC_NOE */
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<STM32_PINMUX('D', 5, AF12)>, /* FMC_NWE */
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<STM32_PINMUX('B', 7, AF12)>, /* FMC_NL */
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<STM32_PINMUX('D', 14, AF12)>, /* FMC_D0 */
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<STM32_PINMUX('D', 15, AF12)>, /* FMC_D1 */
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<STM32_PINMUX('D', 0, AF12)>, /* FMC_D2 */
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<STM32_PINMUX('D', 1, AF12)>, /* FMC_D3 */
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<STM32_PINMUX('E', 7, AF12)>, /* FMC_D4 */
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<STM32_PINMUX('E', 8, AF12)>, /* FMC_D5 */
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<STM32_PINMUX('E', 9, AF12)>, /* FMC_D6 */
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<STM32_PINMUX('E', 10, AF12)>, /* FMC_D7 */
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<STM32_PINMUX('E', 11, AF12)>, /* FMC_D8 */
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<STM32_PINMUX('E', 12, AF12)>, /* FMC_D9 */
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<STM32_PINMUX('E', 13, AF12)>, /* FMC_D10 */
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<STM32_PINMUX('E', 14, AF12)>, /* FMC_D11 */
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<STM32_PINMUX('E', 15, AF12)>, /* FMC_D12 */
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<STM32_PINMUX('D', 8, AF12)>, /* FMC_D13 */
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<STM32_PINMUX('D', 9, AF12)>, /* FMC_D14 */
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<STM32_PINMUX('D', 10, AF12)>, /* FMC_D15 */
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<STM32_PINMUX('G', 9, AF12)>, /* FMC_NE2_FMC_NCE */
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<STM32_PINMUX('G', 12, AF12)>; /* FMC_NE4 */
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bias-disable;
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drive-push-pull;
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slew-rate = <3>;
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};
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};
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fmc_sleep_pins_b: fmc-sleep-0 {
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pins {
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pinmux = <STM32_PINMUX('D', 4, ANALOG)>, /* FMC_NOE */
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<STM32_PINMUX('D', 5, ANALOG)>, /* FMC_NWE */
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<STM32_PINMUX('B', 7, ANALOG)>, /* FMC_NL */
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<STM32_PINMUX('D', 14, ANALOG)>, /* FMC_D0 */
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<STM32_PINMUX('D', 15, ANALOG)>, /* FMC_D1 */
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<STM32_PINMUX('D', 0, ANALOG)>, /* FMC_D2 */
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<STM32_PINMUX('D', 1, ANALOG)>, /* FMC_D3 */
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<STM32_PINMUX('E', 7, ANALOG)>, /* FMC_D4 */
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<STM32_PINMUX('E', 8, ANALOG)>, /* FMC_D5 */
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<STM32_PINMUX('E', 9, ANALOG)>, /* FMC_D6 */
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<STM32_PINMUX('E', 10, ANALOG)>, /* FMC_D7 */
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<STM32_PINMUX('E', 11, ANALOG)>, /* FMC_D8 */
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<STM32_PINMUX('E', 12, ANALOG)>, /* FMC_D9 */
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<STM32_PINMUX('E', 13, ANALOG)>, /* FMC_D10 */
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<STM32_PINMUX('E', 14, ANALOG)>, /* FMC_D11 */
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<STM32_PINMUX('E', 15, ANALOG)>, /* FMC_D12 */
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<STM32_PINMUX('D', 8, ANALOG)>, /* FMC_D13 */
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<STM32_PINMUX('D', 9, ANALOG)>, /* FMC_D14 */
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<STM32_PINMUX('D', 10, ANALOG)>, /* FMC_D15 */
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<STM32_PINMUX('G', 9, ANALOG)>, /* FMC_NE2_FMC_NCE */
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<STM32_PINMUX('G', 12, ANALOG)>; /* FMC_NE4 */
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};
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};
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};
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&pmic {
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u-boot,dm-pre-reloc;
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};
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&flash0 {
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u-boot,dm-spl;
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};
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&qspi {
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u-boot,dm-spl;
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};
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&qspi_clk_pins_a {
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u-boot,dm-spl;
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pins {
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u-boot,dm-spl;
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};
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};
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&qspi_bk1_pins_a {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&qspi_bk2_pins_a {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&rcc {
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st,clksrc = <
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CLK_MPU_PLL1P
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CLK_AXI_PLL2P
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CLK_MCU_PLL3P
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CLK_PLL12_HSE
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CLK_PLL3_HSE
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CLK_PLL4_HSE
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CLK_RTC_LSE
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CLK_MCO1_DISABLED
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CLK_MCO2_DISABLED
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>;
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st,clkdiv = <
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1 /*MPU*/
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0 /*AXI*/
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0 /*MCU*/
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1 /*APB1*/
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1 /*APB2*/
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1 /*APB3*/
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1 /*APB4*/
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2 /*APB5*/
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23 /*RTC*/
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0 /*MCO1*/
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0 /*MCO2*/
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>;
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st,pkcs = <
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CLK_CKPER_HSE
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CLK_FMC_ACLK
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CLK_QSPI_ACLK
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CLK_ETH_PLL4P
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CLK_SDMMC12_PLL4P
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CLK_DSI_DSIPLL
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CLK_STGEN_HSE
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CLK_USBPHY_HSE
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CLK_SPI2S1_PLL3Q
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CLK_SPI2S23_PLL3Q
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CLK_SPI45_HSI
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CLK_SPI6_HSI
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CLK_I2C46_HSI
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CLK_SDMMC3_PLL4P
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CLK_USBO_USBPHY
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CLK_ADC_CKPER
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CLK_CEC_LSE
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CLK_I2C12_HSI
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CLK_I2C35_HSI
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CLK_UART1_HSI
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CLK_UART24_HSI
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CLK_UART35_HSI
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CLK_UART6_HSI
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CLK_UART78_HSI
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CLK_SPDIF_PLL4P
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CLK_FDCAN_PLL4R
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CLK_SAI1_PLL3Q
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CLK_SAI2_PLL3Q
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CLK_SAI3_PLL3Q
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CLK_SAI4_PLL3Q
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CLK_RNG1_LSI
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CLK_RNG2_LSI
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CLK_LPTIM1_PCLK1
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CLK_LPTIM23_PCLK3
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CLK_LPTIM45_LSE
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>;
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/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
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pll2: st,pll@1 {
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compatible = "st,stm32mp1-pll";
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reg = <1>;
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cfg = < 2 65 1 0 0 PQR(1,1,1) >;
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frac = < 0x1400 >;
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u-boot,dm-pre-reloc;
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};
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/* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */
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pll3: st,pll@2 {
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compatible = "st,stm32mp1-pll";
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reg = <2>;
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cfg = < 1 33 1 16 36 PQR(1,1,1) >;
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frac = < 0x1a04 >;
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u-boot,dm-pre-reloc;
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};
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/* VCO = 600.0 MHz => P = 50, Q = 50, R = 50 */
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pll4: st,pll@3 {
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compatible = "st,stm32mp1-pll";
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reg = <3>;
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cfg = < 1 49 11 11 11 PQR(1,1,1) >;
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u-boot,dm-pre-reloc;
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};
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};
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&sdmmc1 {
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u-boot,dm-spl;
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broken-cd;
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/delete-property/ cd-gpios;
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/delete-property/ disable-wp;
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};
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&sdmmc1_b4_pins_a {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&sdmmc1_dir_pins_a {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&sdmmc2 {
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u-boot,dm-spl;
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};
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&sdmmc2_b4_pins_a {
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u-boot,dm-spl;
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pins {
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u-boot,dm-spl;
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};
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};
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&sdmmc2_d47_pins_a {
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u-boot,dm-spl;
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pins {
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u-boot,dm-spl;
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};
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};
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&uart4 {
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u-boot,dm-pre-reloc;
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};
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&uart4_pins_a {
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u-boot,dm-pre-reloc;
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pins1 {
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u-boot,dm-pre-reloc;
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};
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pins2 {
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u-boot,dm-pre-reloc;
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/* pull-up on rx to avoid floating level */
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bias-pull-up;
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};
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};
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