linux-kernel - [PATCH v3 0/5] Add Microchip PolarFire Soc Support

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Date:   Fri,  4 Dec 2020 00:58:30 -0800
From:   Atish Patra <atish.patra@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Atish Patra <atish.patra@....com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Alistair Francis <alistair.francis@....com>,
        Anup Patel <anup.patel@....com>,
        Bin Meng <bin.meng@...driver.com>, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Rob Herring <robh+dt@...nel.org>, Ivan.Griffin@...rochip.com,
        Cyril.Jean@...rochip.com,
        Daire McNamara <daire.mcnamara@...rochip.com>,
        Conor.Dooley@...rochip.com
Subject: [PATCH v3 0/5] Add Microchip PolarFire Soc Support 

This series adds minimal support for Microchip Polar Fire Soc Icicle kit.
It is rebased on v5.10-rc6 and depends on clock support. 
Only MMC and ethernet drivers are enabled via this series.
The idea here is to add the foundational patches so that other drivers
can be added to on top of this. The device tree may change based on
feedback on bindings of individual driver support patches.

This series has been tested on Qemu and Polar Fire Soc Icicle kit.
The following qemu series is necessary to test it on Qemu.

The series can also be found at.
https://github.com/atishp04/linux/tree/polarfire_support_upstream_v3

I noticed the latest version of mmc driver[2] hangs on the board with
the latest clock driver. That's why, I have tested with the old clock
driver available in the above github repo.

[1] https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg08582.html
[2] https://www.spinics.net/lists/devicetree/msg383626.html

Changes from v2->v3:
1. Fixed a typo in dt binding.
2. Included MAINTAINERS entry for PolarFire SoC.
3. Improved the dts file by using lowercase clock names and keeping phy
   details in board specific dts file.

Changes from v1->v2:
1. Modified the DT to match the device tree in U-Boot.
2. Added both eMMC & SDcard entries in DT. However, SD card is only enabled
   as it allows larger storage option for linux distros.

Atish Patra (4):
RISC-V: Add Microchip PolarFire SoC kconfig option
dt-bindings: riscv: microchip: Add YAML documentation for the
PolarFire SoC
RISC-V: Initial DTS for Microchip ICICLE board
RISC-V: Enable Microchip PolarFire ICICLE SoC

Conor Dooley (1):
MAINTAINERS: add microchip polarfire soc support

.../devicetree/bindings/riscv/microchip.yaml  |  28 ++
MAINTAINERS                                   |   8 +
arch/riscv/Kconfig.socs                       |   7 +
arch/riscv/boot/dts/Makefile                  |   1 +
arch/riscv/boot/dts/microchip/Makefile        |   2 +
.../microchip/microchip-mpfs-icicle-kit.dts   |  72 ++++
.../boot/dts/microchip/microchip-mpfs.dtsi    | 331 ++++++++++++++++++
arch/riscv/configs/defconfig                  |   4 +
8 files changed, 453 insertions(+)
create mode 100644 Documentation/devicetree/bindings/riscv/microchip.yaml
create mode 100644 arch/riscv/boot/dts/microchip/Makefile
create mode 100644 arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
create mode 100644 arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi

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2.25.1