linux-kernel - [PATCH v3 0/6] Initial device tree support for StarFive JH8100 SoC

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Date:   Fri, 1 Dec 2023 20:14:04 +0800
From:   Sia Jee Heng <jeeheng.sia@...rfivetech.com>
To:     <kernel@...il.dk>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <krzk@...nel.org>,
        <conor+dt@...nel.org>, <paul.walmsley@...ive.com>,
        <palmer@...belt.com>, <aou@...s.berkeley.edu>,
        <daniel.lezcano@...aro.org>, <tglx@...utronix.de>,
        <conor@...nel.org>, <anup@...infault.org>,
        <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>,
        <michal.simek@....com>, <michael.zhu@...rfivetech.com>,
        <drew@...gleboard.org>
CC:     <devicetree@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <jeeheng.sia@...rfivetech.com>,
        <leyfoon.tan@...rfivetech.com>
Subject: [PATCH v3 0/6] Initial device tree support for StarFive JH8100 SoC

StarFive JH8100 SoC consists of 4 RISC-V performance Cores (Dubhe-90) and
2 RISC-V energy efficient cores (Dubhe-80). It also features various
interfaces such as DDR4, Gbit-Ether, CAN, USB 3.2, SD/MMC, etc., making it
ideal for high-performance computing scenarios.

This patch series introduces initial SoC DTSI support for the StarFive
JH8100 SoC. The relevant dt-binding documentation has been updated
accordingly. Below is the list of IP blocks added in the initial SoC DTSI,
which can be used for booting via initramfs on FPGA:

- StarFive Dubhe-80 CPU
- StarFive Dubhe-90 CPU
- PLIC
- CLINT
- UART

The primary goal is to include foundational patches so that additional
drivers can be built on top of this framework.

Changes since v2:
- Resolved CI build error (dtb_warn_rv64.sh) in patch 6.
- Introduced a new line in patch 6 to distinguish between platforms.
- Reordered the CPU sequence in patch 1.
- Corrected a line deletion in patch 2.
- Removed the description and rearranged the sequence of items in patch 5.
- Added 'Acked-by' from Conor for patches 1, 2, 3 and 4.

Changes since v1:
- Dropped patch 5.
- Moved timebase-frequency from .dts to .dtsi.
- Moved soc node from .dts to .dtsi.
- Revised the title for the dt-binding document by removing Xilinx
  wording.
- Added a full stop to the end of the commit messages.
- Removed extra blank lines.
- Used hyphen for a node name.
- Added more recipients to the mailing list.

Sia Jee Heng (6):
  dt-bindings: riscv: Add StarFive Dubhe compatibles
  dt-bindings: riscv: Add StarFive JH8100 SoC
  dt-bindings: timer: Add StarFive JH8100 clint
  dt-bindings: interrupt-controller: Add StarFive JH8100 plic
  dt-bindings: serial: cdns: Add new compatible string for StarFive
    JH8100 UART
  riscv: dts: starfive: Add initial StarFive JH8100 device tree

 .../sifive,plic-1.0.0.yaml                    |   1 +
 .../devicetree/bindings/riscv/cpus.yaml       |   2 +
 .../devicetree/bindings/riscv/starfive.yaml   |   4 +
 .../devicetree/bindings/serial/cdns,uart.yaml |   3 +
 .../bindings/timer/sifive,clint.yaml          |   1 +
 arch/riscv/boot/dts/starfive/Makefile         |   2 +
 arch/riscv/boot/dts/starfive/jh8100-evb.dts   |  28 ++
 arch/riscv/boot/dts/starfive/jh8100.dtsi      | 378 ++++++++++++++++++
 8 files changed, 419 insertions(+)
 create mode 100644 arch/riscv/boot/dts/starfive/jh8100-evb.dts
 create mode 100644 arch/riscv/boot/dts/starfive/jh8100.dtsi


base-commit: 994d5c58e50e91bb02c7be4a91d5186292a895c8
-- 
2.34.1