diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2018-03-12 10:46:17 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-03-19 16:14:22 -0400 |
| commit | 3d2d115a30e870b0ce7adfe1a6d8bdf73a016571 (patch) | |
| tree | 563bab4335a5aa12648e3630613930c0bc9466fa /arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi | |
| parent | 266fa4df0087c1113dc2c5dd98156ac41bf606da (diff) | |
dts: add device tree for STM32MP157C-ED1 board
Add minimal devicetree for STM32MP157C-ED1 board,
with only the devices to allow boot from SDCARD:
- RCC for clock and reset
- UART4 for console
- I2C and PMIC
- DDR
- SDMMC0 for SDCard
Waiting Kernel upstream for alignment.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi')
| -rw-r--r-- | arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi new file mode 100644 index 0000000000..94d27fb398 --- /dev/null +++ b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi @@ -0,0 +1,133 @@ +/* + * Copyright : STMicroelectronics 2018 + * + * SPDX-License-Identifier: GPL-2.0+ BSD-3-Clause + */ + +#include <dt-bindings/clock/stm32mp1-clksrc.h> +#include "stm32mp157-u-boot.dtsi" +#include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi" + +/ { + aliases { + mmc0 = &sdmmc1; + i2c3 = &i2c4; + }; +}; + +&uart4_pins_a { + u-boot,dm-pre-reloc; + pins1 { + u-boot,dm-pre-reloc; + }; + pins2 { + u-boot,dm-pre-reloc; + }; +}; + +&i2c4_pins_a { + u-boot,dm-pre-reloc; + pins { + u-boot,dm-pre-reloc; + }; +}; + +&uart4 { + u-boot,dm-pre-reloc; +}; + +&i2c4 { + u-boot,dm-pre-reloc; +}; + +&pmic { + u-boot,dm-pre-reloc; +}; + +/* CLOCK init */ +&rcc_clk { + 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_DISABLED + CLK_SDMMC12_PLL3R + CLK_I2C46_PCLK5 + CLK_I2C12_PCLK1 + CLK_I2C35_PCLK1 + CLK_UART1_PCLK5 + CLK_UART24_PCLK1 + CLK_UART35_PCLK1 + CLK_UART6_PCLK2 + CLK_UART78_PCLK1 + >; + + /* VCO = 1300.0 MHz => P = 650 (CPU) */ + pll1: st,pll@0 { + cfg = < 2 80 0 0 0 PQR(1,0,0) >; + frac = < 0x800 >; + u-boot,dm-pre-reloc; + }; + + /* 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 >; + u-boot,dm-pre-reloc; + }; + + /* VCO = 774.0 MHz => P = 194, Q = 37, R = 97 */ + pll3: st,pll@2 { + cfg = < 3 128 3 20 7 PQR(1,1,1) >; + u-boot,dm-pre-reloc; + }; + + /* VCO = 508.0 MHz => P = 56, Q = 56, R = 56 */ + pll4: st,pll@3 { + cfg = < 5 126 8 8 8 PQR(1,1,1) >; + u-boot,dm-pre-reloc; + }; +}; + +/* SPL part **************************************/ +/* MMC1 boot */ +&sdmmc1_b4_pins_a { + u-boot,dm-spl; + pins { + u-boot,dm-spl; + }; +}; + +&sdmmc1_dir_pins_a { + u-boot,dm-spl; + pins { + u-boot,dm-spl; + }; +}; + +&sdmmc1 { + u-boot,dm-spl; +}; |