linux-kernel - [PATCH v6 0/5] clk: add driver for the SiFive FU740

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Date:   Tue,  8 Dec 2020 15:14:27 +0800
From:   Zong Li <zong.li@...ive.com>
To:     paul.walmsley@...ive.com, palmer@...belt.com, sboyd@...nel.org,
        schwab@...ux-m68k.org, pragnesh.patel@...nfive.com,
        aou@...s.berkeley.edu, mturquette@...libre.com,
        yash.shah@...ive.com, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-riscv@...ts.infradead.org
Cc:     Zong Li <zong.li@...ive.com>
Subject: [PATCH v6 0/5] clk: add driver for the SiFive FU740

Add a driver for the SiFive FU740 PRCI IP block, which handles more
clocks than FU540. These patches also refactor the original
implementation by spliting the dependent-code of fu540 and fu740
respectively.

We also add a separate patch for DT binding documentation of FU740 PRCI:
https://patchwork.kernel.org/project/linux-riscv/patch/20201126030043.67390-1-zong.li@sifive.com/

Changed in v6:
 - Modify the patch "Add clock enable and disable ops"
   by Pragnesh. The changes as follows:
   - Remove spin lock in enable and disable functions
   - Call enable_bypass() before PLL output disable

Changed in v5:
 - Fix copyright format
 - Add a link of documentation in commit message
 - Modify build dependency for sifive-prci.c
 - Add enable and disable functions by Pragnesh Patel

Changed in v4:
 - Fix the wrong enable bit field shift for FU540 and FU740.

Changed in v3:
 - Fix the wrong enable bit field shift for FU740.

Changed in v2:
 - Remove the macro definition for __prci_clock_array.
 - Indicate the functional changes in commit message.
 - Using option -M and -C to create patches.
 - Rebase code to kernel v5.10-rc3.

Pragnesh Patel (1):
  clk: sifive: Add clock enable and disable ops

Zong Li (4):
  clk: sifive: Extract prci core to common base
  clk: sifive: Use common name for prci configuration
  clk: sifive: Add a driver for the SiFive FU740 PRCI IP block
  clk: sifive: Fix the wrong bit field shift

 arch/riscv/Kconfig.socs                       |   2 +-
 drivers/clk/sifive/Kconfig                    |   8 +-
 drivers/clk/sifive/Makefile                   |   5 +-
 drivers/clk/sifive/fu540-prci.c               | 585 +-----------------
 drivers/clk/sifive/fu540-prci.h               |  21 +
 drivers/clk/sifive/fu740-prci.c               | 120 ++++
 drivers/clk/sifive/fu740-prci.h               |  21 +
 drivers/clk/sifive/sifive-prci.c              | 571 +++++++++++++++++
 drivers/clk/sifive/sifive-prci.h              | 299 +++++++++
 include/dt-bindings/clock/sifive-fu740-prci.h |  23 +
 10 files changed, 1089 insertions(+), 566 deletions(-)
 create mode 100644 drivers/clk/sifive/fu540-prci.h
 create mode 100644 drivers/clk/sifive/fu740-prci.c
 create mode 100644 drivers/clk/sifive/fu740-prci.h
 create mode 100644 drivers/clk/sifive/sifive-prci.c
 create mode 100644 drivers/clk/sifive/sifive-prci.h
 create mode 100644 include/dt-bindings/clock/sifive-fu740-prci.h

-- 
2.29.2