Re: [PATCH v3 0/9] MIPS: loongson32: Convert all platform devices to DT

[Thomas Bogendoerfer <tsbogend@alpha.franken.de>]

On Wed, Jul 16, 2025 at 07:25:09PM +0800, Keguang Zhang via B4 Relay wrote:
> Convert all platform devices to Device Tree.
> Remove all obsolete platform device code.
> Switch to the generic MIPS core.
> Add built-in DTB support.
> Update Kconfig and Makefile accordingly.
> Update and rename the defconfig.
> 
> Changes in v3:
> - Squash two previous changes that documented DT bindings for the
>   LS1B-DEMO and CQ-T300B into a single patch.
> - Separate the built-in DTB support into a single patch.
> - Move the timer node under the APB bus.
> - Remove redundant console bootargs since it is covered by stdout-path.
> - Replace mtdparts bootargs with a "partitions" node.
> - Link to v2: https://lore.kernel.org/r/20250709-loongson1-arch-v2-0-bcff6e518c09@gmail.com
> 
> Changes in v2:
> - Document two new boards: loongson,ls1b-demo and loongson,cq-t300b.
> - Submit complete DTS files for each board.
> - Switch to the generic MIPS kernel.
> - Consolidate Loongson1 defconfigs.
> - Link to v1: https://lore.kernel.org/all/20230729134318.1694467-1-keguang.zhang@gmail.com/
> 
> ---
> Keguang Zhang (9):
>       dt-bindings: mips: loongson: Add LS1B-DEMO and CQ-T300B
>       MIPS: dts: loongson: Add LS1B-DEMO board
>       MIPS: dts: loongson: Add LSGZ_1B_DEV board
>       MIPS: dts: loongson: Add Smartloong-1C board
>       MIPS: dts: loongson: Add CQ-T300B board
>       MIPS: loongson: Add built-in DTB support
>       MIPS: loongson32: Switch to generic core
>       MIPS: Unify Loongson1 PRID_REV
>       MIPS: configs: Consolidate Loongson1 defconfigs
> 
>  .../devicetree/bindings/mips/loongson/devices.yaml |   2 +
>  MAINTAINERS                                        |   3 +-
>  arch/mips/Kconfig                                  |  64 ++---
>  arch/mips/boot/dts/Makefile                        |   1 +
>  arch/mips/boot/dts/loongson/Makefile               |  10 +
>  arch/mips/boot/dts/loongson/cq-t300b.dts           | 110 ++++++++
>  arch/mips/boot/dts/loongson/loongson1.dtsi         | 136 ++++++++++
>  arch/mips/boot/dts/loongson/loongson1b.dtsi        | 198 ++++++++++++++
>  arch/mips/boot/dts/loongson/loongson1c.dtsi        | 141 ++++++++++
>  arch/mips/boot/dts/loongson/ls1b-demo.dts          | 125 +++++++++
>  arch/mips/boot/dts/loongson/lsgz_1b_dev.dts        | 162 ++++++++++++
>  arch/mips/boot/dts/loongson/smartloong-1c.dts      | 110 ++++++++
>  .../{loongson1b_defconfig => loongson1_defconfig}  |  94 +++++--
>  arch/mips/configs/loongson1c_defconfig             | 121 ---------
>  arch/mips/include/asm/cpu-type.h                   |   3 +-
>  arch/mips/include/asm/cpu.h                        |   3 +-
>  arch/mips/include/asm/mach-loongson32/irq.h        | 107 --------
>  arch/mips/include/asm/mach-loongson32/loongson1.h  |  50 ----
>  arch/mips/include/asm/mach-loongson32/platform.h   |  23 --
>  arch/mips/include/asm/mach-loongson32/regs-mux.h   | 124 ---------
>  arch/mips/kernel/cpu-probe.c                       |   6 +-
>  arch/mips/loongson32/Kconfig                       |  43 +---
>  arch/mips/loongson32/Makefile                      |  17 --
>  arch/mips/loongson32/Platform                      |   1 -
>  arch/mips/loongson32/common/Makefile               |   6 -
>  arch/mips/loongson32/common/irq.c                  | 191 --------------
>  arch/mips/loongson32/common/platform.c             | 285 ---------------------
>  arch/mips/loongson32/common/prom.c                 |  42 ---
>  arch/mips/loongson32/common/setup.c                |  26 --
>  arch/mips/loongson32/common/time.c                 |  23 --
>  arch/mips/loongson32/ls1b/Makefile                 |   6 -
>  arch/mips/loongson32/ls1b/board.c                  |  55 ----
>  arch/mips/loongson32/ls1c/Makefile                 |   6 -
>  arch/mips/loongson32/ls1c/board.c                  |  23 --
>  34 files changed, 1118 insertions(+), 1199 deletions(-)
> ---
> base-commit: b5a1f9870f9828bd6625d6c946c66be4983d56f6
> change-id: 20250414-loongson1-arch-5ea8ced4c9a9

series applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]