Thread (10 messages) 10 messages, 4 authors, 2020-07-24

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

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From: Lars Povlsen <hidden>
Date: 2020-06-18 14:13:44
Also in: linux-arm-kernel, linux-mmc, lkml

Revision v4 of 6 in this series.

Revisions (6)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 current
  5. v4
  6. v5 [diff vs current]
This is an add-on series to the main SoC Sparx5 series
(Message-ID: [ref]

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
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