clk: add driver for the SiFive FU540 PRCI and PLLs it controls Add a driver for the SiFive FU540 PRCI IP block, which handles clock and some device reset control for the SiFive FU540 chip. Also add a driver- independent library for the Analog Bits Wide-Range PLL (WRPLL), used by the PRCI driver to monitor and control the WRPLL instances on the FU540 chip. Boot-tested on a SiFive HiFive Unleashed board, using BBL and the open-source FSBL with a mainline-focused DTB. This third version incorporates changes requested by Stephen Boyd <sboyd@xxxxxxxxxx> and Rob Herring <robh@xxxxxxxxxx>. This patch series is also available, along with the DT macro prerequisite patch, at: https://github.com/sifive/riscv-linux/tree/dev/paulw/prci-v5.1-rc4 - Paul Paul Walmsley (3): clk: analogbits: add Wide-Range PLL library dt-bindings: clk: add documentation for the SiFive PRCI driver clk: sifive: add a driver for the SiFive FU540 PRCI IP block .../bindings/clock/sifive/fu540-prci.txt | 46 ++ MAINTAINERS | 6 + drivers/clk/Kconfig | 2 + drivers/clk/Makefile | 2 + drivers/clk/analogbits/Kconfig | 2 + drivers/clk/analogbits/Makefile | 1 + drivers/clk/analogbits/wrpll-cln28hpc.c | 360 ++++++++++ drivers/clk/sifive/Kconfig | 18 + drivers/clk/sifive/Makefile | 1 + drivers/clk/sifive/fu540-prci.c | 630 ++++++++++++++++++ include/linux/clk/analogbits-wrpll-cln28hpc.h | 96 +++ 11 files changed, 1164 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/sifive/fu540-prci.txt create mode 100644 drivers/clk/analogbits/Kconfig create mode 100644 drivers/clk/analogbits/Makefile create mode 100644 drivers/clk/analogbits/wrpll-cln28hpc.c create mode 100644 drivers/clk/sifive/Kconfig create mode 100644 drivers/clk/sifive/Makefile create mode 100644 drivers/clk/sifive/fu540-prci.c create mode 100644 include/linux/clk/analogbits-wrpll-cln28hpc.h -- 2.20.1
