[PATCH RESEND 9/9] ARM: stm32: document STM32H7R7 support
From: Liu Changjie <hidden>
Date: 2026-07-26 16:14:30
Also in:
linux-doc, lkml
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
Describe the STM32H7R7 features and note the ART-Pi2 as the currently supported development board. Signed-off-by: Liu Changjie <redacted> --- Documentation/arch/arm/index.rst | 1 + .../arch/arm/stm32/stm32h7r7-overview.rst | 28 +++++++++++++++++++ 2 files changed, 29 insertions(+) create mode 100644 Documentation/arch/arm/stm32/stm32h7r7-overview.rst
diff --git a/Documentation/arch/arm/index.rst b/Documentation/arch/arm/index.rst
index b15621093..1e33535e5 100644
--- a/Documentation/arch/arm/index.rst
+++ b/Documentation/arch/arm/index.rst@@ -55,6 +55,7 @@ SoC-specific documents stm32/overview stm32/stm32h743-overview stm32/stm32h750-overview + stm32/stm32h7r7-overview stm32/stm32f769-overview stm32/stm32f429-overview stm32/stm32mp13-overview
diff --git a/Documentation/arch/arm/stm32/stm32h7r7-overview.rst b/Documentation/arch/arm/stm32/stm32h7r7-overview.rst
new file mode 100644
index 000000000..7856b4319
--- /dev/null
+++ b/Documentation/arch/arm/stm32/stm32h7r7-overview.rst@@ -0,0 +1,28 @@ +================== +STM32H7R7 Overview +================== + +Introduction +------------ + +The STM32H7R7 is a Cortex-M7 microcontroller running at up to 600 MHz. It +features: + +- 64 Kbytes of user boot flash and 620 Kbytes of internal SRAM +- 32 Kbytes of instruction cache and 32 Kbytes of data cache +- Two serial xSPI interfaces and an FMC parallel memory interface +- SD/MMC, Ethernet, USB and FD-CAN controllers +- I2C, SPI, I3C and serial interfaces +- NeoChrom graphics accelerator, JPEG codec and LCD-TFT controller + +The RT-Thread ART-Pi2 development board is supported. + +Resources +--------- + +Datasheet and reference manual are publicly available on the STMicroelectronics +website (STM32H7R7_). + +.. _STM32H7R7: https://www.st.com/en/microcontrollers-microprocessors/stm32h7r7-7s7.html + +:Authors: Liu Changjie <liucj1228@outlook.com>
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2.55.0