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Commit a45c8ba3 authored by Sandeep Paulraj's avatar Sandeep Paulraj Committed by Kevin Hilman
Browse files

davinci: MMC/SD Support for dm365 EVM 



Patch adds support for MMC/SD in the DM365 EVM.
Pinmux for MMC/SD slot 1 on the DM365 EVM is also
configured.

Signed-off-by: default avatarSandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent 19ff3bf2

arch/arm/mach-davinci/board-dm365-evm.c

+27 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <linux/i2c.h>

#include <mach/serial.h>

#include <mach/common.h>

#include <mach/mmc.h>



#define DM365_EVM_PHY_MASK		(0x2)

#define DM365_EVM_MDIO_FREQUENCY	(2200000) /* PHY bus frequency */
@@ -57,6 +58,13 @@ static struct davinci_i2c_platform_data i2c_pdata = { 
	.bus_delay	= 0	/* usec */,

};



static struct davinci_mmc_config dm365evm_mmc_config = {

	.wires		= 4,

	.max_freq	= 50000000,

	.caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,

	.version	= MMC_CTLR_VERSION_2,

};



static void dm365evm_emac_configure(void)

{

	/*
@@ -93,6 +101,21 @@ static void dm365evm_emac_configure(void) 
	davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE);

}



static void dm365evm_mmc_configure(void)

{

	/*

	 * MMC/SD pins are multiplexed with GPIO and EMIF

	 * Further details are available at the DM365 ARM

	 * Subsystem Users Guide(sprufg5.pdf) pages 118, 128 - 131

	 */

	davinci_cfg_reg(DM365_SD1_CLK);

	davinci_cfg_reg(DM365_SD1_CMD);

	davinci_cfg_reg(DM365_SD1_DATA3);

	davinci_cfg_reg(DM365_SD1_DATA2);

	davinci_cfg_reg(DM365_SD1_DATA1);

	davinci_cfg_reg(DM365_SD1_DATA0);

}



static void __init evm_init_i2c(void)

{

	davinci_init_i2c(&i2c_pdata);
@@ -116,6 +139,10 @@ static __init void dm365_evm_init(void) 
	davinci_serial_init(&uart_config);



	dm365evm_emac_configure();

	dm365evm_mmc_configure();



	davinci_setup_mmc(0, &dm365evm_mmc_config);

	davinci_setup_mmc(1, &dm365evm_mmc_config);



	soc_info->emac_pdata->phy_mask = DM365_EVM_PHY_MASK;

	soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY;