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mmc: sdhci_am654: Add Support for TI's AM64 SoC

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Add support for the controller present on the AM64x SoC.

There are instances:
sdhci0: 8bit bus width, max 400 MBps
sdhci1: 4bit bus width, max 100 MBps

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20210113115908.3882-3-a-govindraju@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Faiz Abbas 2021-01-13 17:29:08 +05:30 committed by Ulf Hansson
parent 81aa9876f9
commit 754b7f2f7d
1 changed files with 28 additions and 0 deletions
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28
drivers/mmc/host/sdhci_am654.c
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@ -514,6 +514,26 @@ static const struct sdhci_am654_driver_data sdhci_j721e_4bit_drvdata = {
.flags = IOMUX_PRESENT,
};
static const struct sdhci_pltfm_data sdhci_am64_8bit_pdata = {
.ops = &sdhci_j721e_8bit_ops,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
static const struct sdhci_am654_driver_data sdhci_am64_8bit_drvdata = {
.pdata = &sdhci_am64_8bit_pdata,
.flags = DLL_PRESENT | DLL_CALIB,
};
static const struct sdhci_pltfm_data sdhci_am64_4bit_pdata = {
.ops = &sdhci_j721e_4bit_ops,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
static const struct sdhci_am654_driver_data sdhci_am64_4bit_drvdata = {
.pdata = &sdhci_am64_4bit_pdata,
.flags = IOMUX_PRESENT,
};
static const struct soc_device_attribute sdhci_am654_devices[] = {
{ .family = "AM65X",
.revision = "SR1.0",
@ -737,6 +757,14 @@ static const struct of_device_id sdhci_am654_of_match[] = {
.compatible = "ti,j721e-sdhci-4bit",
.data = &sdhci_j721e_4bit_drvdata,
},
{
.compatible = "ti,am64-sdhci-8bit",
.data = &sdhci_am64_8bit_drvdata,
},
{
.compatible = "ti,am64-sdhci-4bit",
.data = &sdhci_am64_4bit_drvdata,
},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, sdhci_am654_of_match);