[PATCH v4 0/5] add DM based reset driver for SiFive SoC's

Sagar Kadam sagar.kadam at sifive.com
Mon Jul 27 17:26:12 CEST 2020


Hi Rick,
> -----Original Message-----
> From: Sagar Kadam <sagar.kadam at sifive.com>
> Sent: Friday, July 24, 2020 2:17 PM
> To: u-boot at lists.denx.de
> Cc: rick at andestech.com; Paul Walmsley ( Sifive)
> <paul.walmsley at sifive.com>; palmer at dabbelt.com; anup.patel at wdc.com;
> atish.patra at wdc.com; lukma at denx.de; Pragnesh Patel
> <pragnesh.patel at sifive.com>; bin.meng at windriver.com;
> jagan at amarulasolutions.com; sjg at chromium.org; twoerner at gmail.com;
> patrick at blueri.se; mbrugger at suse.com; Eugeniy.Paltsev at synopsys.com;
> weijie.gao at mediatek.com; nsaenzjulienne at suse.de; festevam at gmail.com;
> seanga2 at gmail.com; Sagar Kadam <sagar.kadam at sifive.com>
> Subject: [PATCH v4 0/5] add DM based reset driver for SiFive SoC's
> 
> The FU540-C000 support in U-Boot is missing DM based reset driver, and is
> handling reset's to sub-system within the prci driver itself.
> The series here adds a generic DM reset driver for SiFive SoC's so as to
> leverage the U-Boot's reset framework and binds the reset driver with prci
> driver.
> The PRCI driver takes care of triggering the consumers reset signals
> appropriately.
> 
> Patch 1: Add necessary dt indexes for device reset register.
> Patch 2: Update macro's to use common dt indexes from binding header.
> Patch 3: Add reset producer and consumer entries within the device tree.
> Patch 4: Add reset dm driver and bind it within prci module.
> Patch 5: Add Kconfig, Makefile entries and enable the driver
> 
> This series is re-based on mainline U-Boot commit 5d3a21df6694 ("Merge tag
> 'dm-pull-20jul20' of git://git.denx.de/u-boot-dm") and depends on [1]
> 
> [1] https://patchwork.ozlabs.org/project/uboot/list/?series=190862
> 

I have rebased this series on u-boot/master.
Can you please pull it and let me know if any issues are there.

Thanks & BR,
Sagar

> History:
> ==========================
> V4:
> -Rebased the series to u-boot/master.
> 
> V3:
> -Add reset indexes in separate dt binding header instead of  updating the
> clock dt binding header which is synced from Linux
> 
> V2:
> -Removed extra character in commit log of 2nd patch
> 
> V1:
> -Base version.
> 
> Sagar Shrikant Kadam (5):
>   dt-bindings: prci: add indexes for reset signals available in prci
>   fu540: prci: use common reset indexes defined in binding header
>   fu540: dtsi: add reset producer and consumer entries
>   sifive: reset: add DM based reset driver for SiFive SoC's
>   configs: reset: fu540: enable dm reset framework for SiFive
> 
>  arch/riscv/dts/fu540-c000-u-boot.dtsi         |  12 +++
>  arch/riscv/include/asm/arch-fu540/reset.h     |  13 +++
>  configs/sifive_fu540_defconfig                |   2 +
>  drivers/clk/sifive/fu540-prci.c               |  90 ++++++++++++++------
>  drivers/reset/Kconfig                         |   9 ++
>  drivers/reset/Makefile                        |   1 +
>  drivers/reset/reset-sifive.c                  | 118 ++++++++++++++++++++++++++
>  include/dt-bindings/reset/sifive-fu540-prci.h |  19 +++++
>  8 files changed, 239 insertions(+), 25 deletions(-)  create mode 100644
> arch/riscv/include/asm/arch-fu540/reset.h
>  create mode 100644 drivers/reset/reset-sifive.c  create mode 100644
> include/dt-bindings/reset/sifive-fu540-prci.h
> 
> --
> 2.7.4



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