From: Conor Dooley conor.dooley@microchip.com
Here's a U-Boot implementation of the changes I'm trying to make in https://lore.kernel.org/all/20241002-private-unequal-33cfa6101338@spud/ that affect how the clocks are described in devicetree for PolarFire SoC. There's been no complaints about the only part that impacts U-Boot, so I figured it was time to send patches here.
I've implemented things here in a backwards compatible manner, so that these changes can be applied now without the relevant devicetree patches (since the dust has not settled on all aspects of the rework) and the revised devicetree can make its way into U-Boot via a regular OF_UPSTREAM update once merged "upstream".
There's minor duplication with Hal's work in patch 3, but I think that's not particularly important, given it is the addition of a trivial Makefile we both require: https://lore.kernel.org/all/20240930155919.111738-1-hal.feng@starfivetech.co...
Cheers, Conor.
CC: Rick Chen rick@andestech.com CC: Leo ycliang@andestech.com CC: Tom Rini trini@konsulko.com CC: Conor Dooley conor.dooley@microchip.com CC: Cyril Jean cyril.jean@microchip.com CC: Lukasz Majewski lukma@denx.de CC: Sean Anderson seanga2@gmail.com CC: Sumit Garg sumit.garg@linaro.org CC: u-boot@lists.denx.de (open list)
Conor Dooley (3): clk: microchip: mpfs: support new syscon based devicetree configuration board: mpfs_icicle: imply new clk driver dependencies riscv: dts: mpfs: migrate to OF_UPSTREAM
arch/riscv/dts/Makefile | 1 - arch/riscv/dts/mpfs-icicle-kit-fabric.dtsi | 71 --- arch/riscv/dts/mpfs-icicle-kit-u-boot.dtsi | 14 - arch/riscv/dts/mpfs-icicle-kit.dts | 208 --------- arch/riscv/dts/mpfs.dtsi | 511 --------------------- board/microchip/mpfs_icicle/Kconfig | 2 + configs/microchip_mpfs_icicle_defconfig | 3 +- drivers/clk/microchip/Kconfig | 2 + drivers/clk/microchip/mpfs_clk.c | 63 ++- drivers/clk/microchip/mpfs_clk.h | 5 +- drivers/clk/microchip/mpfs_clk_cfg.c | 16 +- drivers/clk/microchip/mpfs_clk_periph.c | 37 +- dts/upstream/src/riscv/Makefile | 13 + 13 files changed, 98 insertions(+), 848 deletions(-) delete mode 100644 arch/riscv/dts/mpfs-icicle-kit-fabric.dtsi delete mode 100644 arch/riscv/dts/mpfs-icicle-kit-u-boot.dtsi delete mode 100644 arch/riscv/dts/mpfs-icicle-kit.dts delete mode 100644 arch/riscv/dts/mpfs.dtsi create mode 100644 dts/upstream/src/riscv/Makefile