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From:   Sven Van Asbroeck <thesven73@gmail.com>
To:     shawnguo@kernel.org, s.hauer@pengutronix.de
Cc:     Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-clk@vger.kernel.org
Subject: [PATCH v1 0/5] imx6qp QuadPlus: support improved enet clocking
Date:   Sun, 12 Jul 2020 20:25:07 -0400
Message-Id: <20200713002512.28742-1-TheSven73@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On the imx6qp QuadPlus, the h/w designers have improved enet clocking.

This patchset extends the clock tree to reflect the situation on QuadPlus.

This allows board designers to choose the enet clocking method by making
simple clocktree changes in the devicetree.

Default setting: external routing of enet_ref from pad to pad.

Example, change the default to enet_ref @ 125MHz clock routed internally:

&fec {
	assigned-clocks = <&clks IMX6QDL_CLK_ENET_PTP>,
			  <&clks IMX6QDL_CLK_ENET_REF>;
	assigned-clock-parents = <&clks IMX6QDL_CLK_ENET_REF>;
	assigned-clock-rates = <0>, <125000000>;
};

To: Shawn Guo <shawnguo@kernel.org>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-clk@vger.kernel.org

Sven Van Asbroeck (5):
  ARM: mach-imx6q: do not select enet PTP clock source on QuadPlus
  clk: imx: add simple regmap-backed clock mux
  dt-bindings: imx6qdl-clock: add QuadPlus enet clocks
  clk: imx6q: support improved enet clocking on QuadPlus
  ARM: dts: imx6qp: support improved enet clocking on QuadPlus

 .../bindings/clock/imx6q-clock.yaml           |   2 +
 arch/arm/boot/dts/imx6qp.dtsi                 |   3 +
 arch/arm/mach-imx/mach-imx6q.c                |   4 +
 drivers/clk/imx/Makefile                      |   1 +
 drivers/clk/imx/clk-imx6q.c                   |  46 ++++++++
 drivers/clk/imx/clk-mux-regmap.c              | 110 ++++++++++++++++++
 drivers/clk/imx/clk.h                         |   7 ++
 include/dt-bindings/clock/imx6qdl-clock.h     |   5 +-
 include/linux/mfd/syscon/imx6q-iomuxc-gpr.h   |   1 +
 9 files changed, 178 insertions(+), 1 deletion(-)
 create mode 100644 drivers/clk/imx/clk-mux-regmap.c

-- 
2.17.1