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ARM: OMAP4+: Add support for getting pbias info from board

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Palmas driver assumes it is always TPS659xx regulator on all DRA7xx based
boards to enable mmc regulator. This is not true always like in case of
DRA71x-evm. So get this information based on the board.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Delete omap4_vmmc_pbias_config from omap_hsmmc.c]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Lokesh Vutla 2016-11-23 13:25:28 +05:30 • committed by Tom Rini
parent f56e635099
commit b4b060066f
6 changed files with 82 additions and 48 deletions
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47
drivers/mmc/omap_hsmmc.c
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@ -96,44 +96,6 @@ static int omap_mmc_setup_gpio_in(int gpio, const char *label)
}
#endif
#if defined(CONFIG_OMAP44XX)
static void omap4_vmmc_pbias_config(struct mmc *mmc)
{
u32 value = 0;
value = readl((*ctrl)->control_pbiaslite);
value &= ~(MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ);
writel(value, (*ctrl)->control_pbiaslite);
value = readl((*ctrl)->control_pbiaslite);
value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ;
writel(value, (*ctrl)->control_pbiaslite);
}
#endif
#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER)
static void omap5_pbias_config(struct mmc *mmc)
{
u32 value = 0;
value = readl((*ctrl)->control_pbias);
value &= ~SDCARD_PWRDNZ;
writel(value, (*ctrl)->control_pbias);
udelay(10); /* wait 10 us */
value &= ~SDCARD_BIAS_PWRDNZ;
writel(value, (*ctrl)->control_pbias);
palmas_mmc1_poweron_ldo();
value = readl((*ctrl)->control_pbias);
value |= SDCARD_BIAS_PWRDNZ;
writel(value, (*ctrl)->control_pbias);
udelay(150); /* wait 150 us */
value |= SDCARD_PWRDNZ;
writel(value, (*ctrl)->control_pbias);
udelay(150); /* wait 150 us */
}
#endif
static unsigned char mmc_board_init(struct mmc *mmc)
{
#if defined(CONFIG_OMAP34XX)
@ -173,14 +135,10 @@ static unsigned char mmc_board_init(struct mmc *mmc)
&prcm_base->iclken1_core);
#endif
#if defined(CONFIG_OMAP44XX)
#if defined(CONFIG_OMAP54XX) || defined(CONFIG_OMAP44XX)
/* PBIAS config needed for MMC1 only */
if (mmc->block_dev.devnum == 0)
omap4_vmmc_pbias_config(mmc);
#endif
#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER)
if (mmc->block_dev.devnum == 0)
omap5_pbias_config(mmc);
vmmc_pbias_config(LDO_VOLT_3V0);
#endif
return 0;
@ -214,7 +172,6 @@ void mmc_init_stream(struct hsmmc *mmc_base)
writel(readl(&mmc_base->con) & ~INIT_INITSTREAM, &mmc_base->con);
}
static int omap_hsmmc_init_setup(struct mmc *mmc)
{
struct hsmmc *mmc_base;