linux-kernel - [PATCH 0/7] Add support for i.MX8ULP's SIM LPAV

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Message-Id: <20250804155407.285353-1-laurentiumihalcea111@gmail.com>
Date: Mon,  4 Aug 2025 11:54:00 -0400
From: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
To: Abel Vesa <abelvesa@...nel.org>,
	Peng Fan <peng.fan@....com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-clk@...r.kernel.org,
	imx@...ts.linux.dev,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: [PATCH 0/7] Add support for i.MX8ULP's SIM LPAV

From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>

The LPAV System Integration Module (SIM) is an IP found inside i.MX8ULP's
LPAV subsystem, which offers clock gating, reset line
assertion/de-assertion, and various other misc. options.

This series adds support for the IP by introducing a new clock HW provider
driver and by modifying i.MX8MP's AUDIOMIX block control reset driver to
allow it to be used for i.MX8ULP's SIM LPAV as well. Since the IP also has
MUX-ing capabilities, the DT node is marked as a syscon, therefore
allowing the usage of the MMIO MUX driver.

This series is a spin-off from [1].

[1]: https://lore.kernel.org/lkml/20240922174225.75948-1-laurentiumihalcea111@gmail.com/

Laurentiu Mihalcea (7):
  dt-bindings: reset: imx8ulp: add SIM LPAV reset ID definitions
  dt-bindings: clock: imx8ulp: add SIM LPAV clock gate ID definitions
  dt-bindings: clock: document 8ULP's SIM LPAV
  clk: imx: add driver for imx8ulp's sim lpav
  reset: imx8mp-audiomix: Extend the driver usage
  reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
  arm64: dts: imx8ulp: add sim lpav node

 .../bindings/clock/fsl,imx8ulp-sim-lpav.yaml  |  69 ++++++++
 arch/arm64/boot/dts/freescale/imx8ulp.dtsi    |  11 ++
 drivers/clk/imx/Makefile                      |   1 +
 drivers/clk/imx/clk-imx8ulp-sim-lpav.c        | 162 ++++++++++++++++++
 drivers/reset/reset-imx8mp-audiomix.c         |  63 ++++++-
 include/dt-bindings/clock/imx8ulp-clock.h     |   7 +
 .../reset/imx8ulp-reset-sim-lpav.h            |  16 ++
 7 files changed, 327 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml
 create mode 100644 drivers/clk/imx/clk-imx8ulp-sim-lpav.c
 create mode 100644 include/dt-bindings/reset/imx8ulp-reset-sim-lpav.h

-- 
2.34.1