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| author | Martin Blumenstingl <martin.blumenstingl@googlemail.com> | 2020-05-12 22:41:46 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-05-28 11:22:14 +0200 |
| commit | e5f31378862e5d0e879809bd50a84790ea14a0bc (patch) | |
| tree | 249c1ca7c84796b075c2c71bc1676e5d95d1df22 /drivers | |
| parent | 83fc5dd57f86c3ec7d6d22565a6ff6c948853b64 (diff) | |
| download | linux-e5f31378862e5d0e879809bd50a84790ea14a0bc.tar.bz2 | |
dt-bindings: mmc: Document the Amlogic Meson SDHC MMC host controller
This documents the devicetree bindings for the SDHC MMC host controller
found in Meson6, Meson8, Meson8b and Meson8m2 SoCs. It can use a
bus-width of 1/4/8-bit and it supports eMMC spec 4.4x/4.5x including
HS200 mode (up to 100MHz clock). It embeds an internal clock controller
which outputs four clocks (mod_clk, sd_clk, tx_clk and rx_clk) and is
fed by four external input clocks (clkin[0-3]). "pclk" is the module
register clock, it has to be enabled to access the registers.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200512204147.504087-2-martin.blumenstingl@googlemail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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