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From:   Kevin Hilman <khilman@baylibre.com>
To:     Neil Armstrong <narmstrong@baylibre.com>,
        lorenzo.pieralisi@arm.com, kishon@ti.com, bhelgaas@google.com,
        andrew.murray@arm.com
Cc:     Neil Armstrong <narmstrong@baylibre.com>,
        linux-amlogic@lists.infradead.org, linux-pci@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        yue.wang@Amlogic.com, maz@kernel.org, repk@triplefau.lt,
        nick@khadas.com, gouwa@khadas.com
Subject: Re: [PATCH v2 0/6] arm64: dts: meson-g12: add support for PCIe
In-Reply-To: <20190916125022.10754-1-narmstrong@baylibre.com>
References: <20190916125022.10754-1-narmstrong@baylibre.com>
Date:   Tue, 24 Sep 2019 11:59:21 -0700
Message-ID: <7h4l117c6u.fsf@baylibre.com>
MIME-Version: 1.0
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Sender: linux-kernel-owner@vger.kernel.org
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Neil Armstrong <narmstrong@baylibre.com> writes:

> This patchset :
> - updates the Amlogic PCI bindings for G12A
> - reworks the Amlogic PCIe driver to make use of the
> G12a USB3+PCIe Combo PHY instead of directly writing in
> the PHY register
> - adds the necessary operations to the G12a USB3+PCIe Combo PHY driver
> - adds the PCIe Node for G12A, G12B and SM1 SoCs
> - adds the commented support for the S922X, A311D and S905D3 based
> VIM3 boards.
>
> The VIM3 schematic can be found at [1].
>
> This patchset is dependent on Remi's "Fix reset assertion via gpio descriptor"
> patch at [2].
>
> This patchset has been tested in a A311D VIM3 and S905D3 VIM3L using a
> 128Go TS128GMTE110S NVMe PCIe module.
>
> For indication, here is a bonnie++ run as ext4 formatted on the VIM3:
>      ------Sequential Output------ --Sequential Input- --Random-
>      -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
> Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
>   4G 93865  99 312837  96 194487  23 102808  97 415501 21 +++++ +++
>
> and the S905D3 VIM3L version:
>      ------Sequential Output------ --Sequential Input- --Random-
>      -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
> Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
>   4G 52144  95 71766  21 47302  10 57078  98 415469  44 +++++ +++
>
> Changes since v1 at [3]:
>  - Collected Andrew's and Rob's Reviewed-by tags
>  - Added missing calls to phy_init/phy_exit
>  - Fixes has_shared_phy handling for MIPI clock
>  - Add comment in the DT concerning firmware setting the right properties
>  - Added SM1 Power Domain to PCIe node
>
> [1] https://docs.khadas.com/vim3/HardwareDocs.html
> [2] https://patchwork.kernel.org/patch/11125261/
> [3] https://patchwork.kernel.org/cover/11136927/
>
> Neil Armstrong (6):
>   dt-bindings: pci: amlogic,meson-pcie: Add G12A bindings
>   PCI: amlogic: Fix probed clock names
>   PCI: amlogic: meson: Add support for G12A
>   phy: meson-g12a-usb3-pcie: Add support for PCIe mode
>   arm64: dts: meson-g12a: Add PCIe node
>   arm64: dts: khadas-vim3: add commented support for PCIe

Queued the "arm64: dts" patches for v5.5,

Kevin