linux-kernel - [PATCH 00/13] Add USB support to Exynos7885

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Message-ID: <20240804215458.404085-1-virag.david003@gmail.com>
Date: Sun,  4 Aug 2024 23:53:45 +0200
From: David Virag <virag.david003@...il.com>
To: Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
	André Draszik <andre.draszik@...aro.org>,
	Peter Griffin <peter.griffin@...aro.org>,
	Sam Protsenko <semen.protsenko@...aro.org>,
	David Virag <virag.david003@...il.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Cc: linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	linux-clk@...r.kernel.org
Subject: [PATCH 00/13] Add USB support to Exynos7885

This set of patches adds support for USB on the Exynos7885 SoC.

The Exynos7885 has a DWC3 compatible USB controller and an Exynos USB
PHY that theoretically supports USB3 SuperSpeed, but is not implemented
in any known device. The vendor kernel also stubs out USB3 functions, so
we do not support it.

While at it, since we need some new clocks implemented, also fix some
issues with the existing clock driver/bindings.

p.s.: Not realizing the USB PLL has a MUX on it made me waste I don't
even want to know how much time on troubleshooting why it's not
working...

David Virag (13):
  dt-bindings: clock: exynos7885: Fix duplicated binding
  dt-bindings: clock: exynos7885: Add CMU_TOP PLL MUX indices
  dt-bindings: clock: exynos7885: Add indices for USB clocks
  dt-bindings: phy: samsung,usb3-drd-phy: Add Exynos7885 support
  dt-bindings: usb: samsung,exynos-dwc3: Add Exynos7885 support
  clk: samsung: exynos7885: Update CLKS_NR_FSYS after bindings fix
  clk: samsung: exynos7885: Add missing MUX clocks from PLLs in CMU_TOP
  clk: samsung: clk-pll: Add support for pll_1418x
  clk: samsung: exynos7885: Add USB related clocks to CMU_FSYS
  usb: dwc3: exynos: Add support for Exynos7885
  phy: exynos5-usbdrd: support Exynos7885 USB PHY
  arm64: dts: exynos: Enable USB in Exynos7885
  arm64: dts: exynos: exynos7885-jackpotlte: Enable USB support

 .../bindings/phy/samsung,usb3-drd-phy.yaml    |  2 +
 .../bindings/usb/samsung,exynos-dwc3.yaml     |  5 +-
 .../boot/dts/exynos/exynos7885-jackpotlte.dts | 20 ++++
 arch/arm64/boot/dts/exynos/exynos7885.dtsi    | 35 +++++++
 drivers/clk/samsung/clk-exynos7885.c          | 95 +++++++++++++++----
 drivers/clk/samsung/clk-pll.c                 | 20 +++-
 drivers/clk/samsung/clk-pll.h                 |  1 +
 drivers/phy/samsung/phy-exynos5-usbdrd.c      | 21 ++++
 drivers/usb/dwc3/dwc3-exynos.c                |  3 +
 include/dt-bindings/clock/exynos7885.h        | 32 ++++---
 include/linux/soc/samsung/exynos-regs-pmu.h   |  3 +
 11 files changed, 201 insertions(+), 36 deletions(-)

-- 
2.46.0