[RFC 00/11] Add generic MFD i.MX mix and audiomix support

From: Abel Vesa
Date: Tue Mar 03 2020 - 04:03:40 EST


The i.MX8MP has some new IPs called mixes. They are formed usually by some
GPRs that can be split into different functionalities. The first example
here is the audiomix which has dedicated registers that can be registered
as a clock controller and some other registers that can be registered as
a reset controller, plus some dedicated ones that will be registered as
syscon and used by each dedicated audio IP.

More mixes to be following the same structure are to come, like hdmimix,
dispmix and mediamix. They will all be populated and registered by the MFD
imx-mix generic driver.

Abel Vesa (11):
mfd: Add i.MX generic mix support
arm64: dts: imx8mp: Add AIPS 4 and 5
arm64: dts: imx8mp: Add audiomix node
clk: imx: Add gate shared for i.MX8MP audiomix
clk: imx: pll14xx: Add the device as argument when registering
clk: imx: Add helpers for passing the device as argument
dt-bindings: clocks: imx8mp: Add ids for audiomix clocks
clk: imx: Add audiomix clock controller support
arm64: dts: imx8mp: Add audiomix clock controller node
reset: imx: Add audiomix reset controller support
arm64: dts: imx8mp: Add audiomix reset controller node

arch/arm64/boot/dts/freescale/imx8mp.dtsi | 37 ++++
drivers/clk/imx/Makefile | 2 +-
drivers/clk/imx/clk-audiomix.c | 237 +++++++++++++++++++++++++
drivers/clk/imx/clk-gate-shared.c | 111 ++++++++++++
drivers/clk/imx/clk-pll14xx.c | 6 +-
drivers/clk/imx/clk.h | 46 ++++-
drivers/mfd/Kconfig | 11 ++
drivers/mfd/Makefile | 1 +
drivers/mfd/imx-mix.c | 48 +++++
drivers/reset/Kconfig | 7 +
drivers/reset/Makefile | 1 +
drivers/reset/reset-imx-audiomix.c | 122 +++++++++++++
include/dt-bindings/clock/imx8mp-clock.h | 62 +++++++
include/dt-bindings/reset/imx-audiomix-reset.h | 15 ++
14 files changed, 699 insertions(+), 7 deletions(-)
create mode 100644 drivers/clk/imx/clk-audiomix.c
create mode 100644 drivers/clk/imx/clk-gate-shared.c
create mode 100644 drivers/mfd/imx-mix.c
create mode 100644 drivers/reset/reset-imx-audiomix.c
create mode 100644 include/dt-bindings/reset/imx-audiomix-reset.h

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2.7.4