Commit 754b7f2f authored by Faiz Abbas's avatar Faiz Abbas Committed by Ulf Hansson
Browse files

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



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: default avatarFaiz Abbas <faiz_abbas@ti.com>
Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarAswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20210113115908.3882-3-a-govindraju@ti.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 81aa9876

drivers/mmc/host/sdhci_am654.c

+28 −0
Original line number Diff line number Diff line
@@ -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);