linux-kernel - [PATCH v4 0/3] mmc: Adding support for Microchip Sparx5 SoC

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Message-ID: <20200618141326.25723-1-lars.povlsen@microchip.com>
Date:   Thu, 18 Jun 2020 16:13:23 +0200
From:   Lars Povlsen <lars.povlsen@...rochip.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        SoC Team <soc@...nel.org>
CC:     Lars Povlsen <lars.povlsen@...rochip.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH v4 0/3] mmc: Adding support for Microchip Sparx5 SoC

This is an add-on series to the main SoC Sparx5 series
(Message-ID: <20200615133242.24911-1-lars.povlsen@...rochip.com>

It adds eMMC support for Sparx5, by adding a driver for the SoC SDHCI
controller, DT configuration and DT binding documentation.

Changes in v4:
- Disable clock if sdhci_add_host() fails
- Remove dev_err if sdhci_add_host() fails

Changes in v3:
- Add dt-bindings for property "microchip,clock-delay"
- Enforce "microchip,clock-delay" valid range in driver
- Removed a noisy pr_debug() in sdhci_sparx5_adma_write_desc()

Changes in v2:
- Changes in driver as per review comments
 - Drop debug code
 - Drop sysfs code
 - use usleep_range()
 - use mmc_hostname() in pr_debug()
 - Remove deactivated code
 - Minor cosmetics

Lars Povlsen (3):
  dt-bindings: mmc: Add Sparx5 SDHCI controller bindings
  sdhci: sparx5: Add Sparx5 SoC eMMC driver
  arm64: dts: sparx5: Add Sparx5 eMMC support

 .../mmc/microchip,dw-sparx5-sdhci.yaml        |  65 +++++
 arch/arm64/boot/dts/microchip/sparx5.dtsi     |  24 ++
 .../boot/dts/microchip/sparx5_pcb125.dts      |  23 ++
 .../boot/dts/microchip/sparx5_pcb134_emmc.dts |  23 ++
 .../boot/dts/microchip/sparx5_pcb135_emmc.dts |  23 ++
 drivers/mmc/host/Kconfig                      |  13 +
 drivers/mmc/host/Makefile                     |   1 +
 drivers/mmc/host/sdhci-of-sparx5.c            | 269 ++++++++++++++++++
 8 files changed, 441 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml
 create mode 100644 drivers/mmc/host/sdhci-of-sparx5.c

--
2.27.0