Re: [PATCH v2 00/19] ARM: imx: make Ethernet refclock configurable
From: Abel Vesa
Date: Mon Jan 30 2023 - 17:12:02 EST
On 23-01-17 07:14:34, Oleksij Rempel wrote:
> changes v2:
> - remove "ARM: imx6q: use of_clk_get_by_name() instead of_clk_get() to
> get ptp clock" patch
> - fix build warnings
> - add "Acked-by: Lee Jones <lee@xxxxxxxxxx>"
> - reword some commits as suggested by Fabio
Unfortunatley it doesn't apply on my tree. Can you please rebase and resend?
Thanks.
>
> Most of i.MX SoC variants have configurable FEC/Ethernet reference clock
> used by RMII specification. This functionality is located in the
> general purpose registers (GRPx) and till now was not implemented as
> part of SoC clock tree.
>
> With this patch set, we move forward and add this missing functionality
> to some of i.MX clk drivers. So, we will be able to configure clock topology
> by using devicetree and be able to troubleshoot clock dependencies
> by using clk_summary etc.
>
> Currently implemented and tested i.MX6Q, i.MX6DL and i.MX6UL variants.
>
> Oleksij Rempel (19):
> clk: imx: add clk-gpr-mux driver
> clk: imx6q: add ethernet refclock mux support
> ARM: imx6q: skip ethernet refclock reconfiguration if enet_clk_ref is
> present
> ARM: dts: imx6qdl: use enet_clk_ref instead of enet_out for the FEC
> node
> ARM: dts: imx6dl-lanmcu: configure ethernet reference clock parent
> ARM: dts: imx6dl-alti6p: configure ethernet reference clock parent
> ARM: dts: imx6dl-plybas: configure ethernet reference clock parent
> ARM: dts: imx6dl-plym2m: configure ethernet reference clock parent
> ARM: dts: imx6dl-prtmvt: configure ethernet reference clock parent
> ARM: dts: imx6dl-victgo: configure ethernet reference clock parent
> ARM: dts: imx6q-prtwd2: configure ethernet reference clock parent
> ARM: dts: imx6qdl-skov-cpu: configure ethernet reference clock parent
> ARM: dts: imx6dl-eckelmann-ci4x10: configure ethernet reference clock
> parent
> clk: imx: add imx_obtain_fixed_of_clock()
> clk: imx6ul: fix enet1 gate configuration
> clk: imx6ul: add ethernet refclock mux support
> ARM: dts: imx6ul: set enet_clk_ref to CLK_ENETx_REF_SEL
> ARM: mach-imx: imx6ul: remove not optional ethernet refclock overwrite
> ARM: dts: imx6ul-prti6g: configure ethernet reference clock parent
>
> arch/arm/boot/dts/imx6dl-alti6p.dts | 12 +-
> arch/arm/boot/dts/imx6dl-eckelmann-ci4x10.dts | 13 +-
> arch/arm/boot/dts/imx6dl-lanmcu.dts | 12 +-
> arch/arm/boot/dts/imx6dl-plybas.dts | 12 +-
> arch/arm/boot/dts/imx6dl-plym2m.dts | 12 +-
> arch/arm/boot/dts/imx6dl-prtmvt.dts | 11 +-
> arch/arm/boot/dts/imx6dl-victgo.dts | 12 +-
> arch/arm/boot/dts/imx6q-prtwd2.dts | 17 ++-
> arch/arm/boot/dts/imx6qdl-skov-cpu.dtsi | 12 +-
> arch/arm/boot/dts/imx6qdl.dtsi | 4 +-
> arch/arm/boot/dts/imx6ul-prti6g.dts | 14 ++-
> arch/arm/boot/dts/imx6ul.dtsi | 10 +-
> arch/arm/mach-imx/mach-imx6q.c | 10 +-
> arch/arm/mach-imx/mach-imx6ul.c | 20 ---
> drivers/clk/imx/Makefile | 1 +
> drivers/clk/imx/clk-gpr-mux.c | 119 ++++++++++++++++++
> drivers/clk/imx/clk-imx6q.c | 13 ++
> drivers/clk/imx/clk-imx6ul.c | 33 ++++-
> drivers/clk/imx/clk.c | 14 +++
> drivers/clk/imx/clk.h | 8 ++
> include/dt-bindings/clock/imx6qdl-clock.h | 4 +-
> include/dt-bindings/clock/imx6ul-clock.h | 7 +-
> include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 6 +-
> 23 files changed, 296 insertions(+), 80 deletions(-)
> create mode 100644 drivers/clk/imx/clk-gpr-mux.c
>
> --
> 2.30.2
>