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This converts the MMCI bindings from simple text to a proper
schema.
Cc: devicetree@vger.kernel.org
Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20210119100655.2755164-1-linus.walleij@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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To support the sdr104 mode, the sdmmc variant has a hardware delay block to
manage the clock phase when sampling data received by the card.
This patch adds a second base register (optional) for sdmmc delay block.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200128090636.13689-6-ludovic.barre@st.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This patch adds properties for stm32 sdmmc variant.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This patch adds a optional reset management.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The common mmc DT parser supports bindings for highspeed mode, thus
there are no need for mmci to provide it's own versions for these. Mark
them as deprecated in the documentation.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
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The ST Micro variant supports the option of using a feedback clock signal in
favor of the clockout pin when latching incoming signals on the data bus.
Since this is matter of how pins are being routed we need to provide a new DT
binding to be able to configure this through DT.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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Some variants have support for indicating the bus signal directions,
which currently are configured through platform data.
Add corresponding DT bindings to enable us to move away from using the
platform data.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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Document how to configure the regulator supplies and add an example of
a typical mmci DT node.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Now that we have common bindings for MMC, rewrite the individual
bindings to inherit from mmc.txt and describe their differences.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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This provides full documentation detailing each compulsory,
optional and device (variant) specific properties available
for use within the MMCI Device Tree.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Arnd Bergmann <arndb@arndb.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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