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mmc: sdhci-omap: Add sdhci_omap specific ops for enable_sdio_irq 

Add sdhci_omap_enable_sdio_irq to set CTPL and CLKEXTFREE bits in
MMCHS_CON register required to detect asynchronous card interrupt
on DAT[1].

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Kishon Vijay Abraham I 2018-04-27 17:17:21 +05:30 committed by Ulf Hansson
parent 6d75df75ab
commit efde12b246
1 changed files with 19 additions and 0 deletions
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19
drivers/mmc/host/sdhci-omap.c
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@ -36,6 +36,7 @@
#define CON_DDR BIT(19)
#define CON_CLKEXTFREE BIT(16)
#define CON_PADEN BIT(15)
#define CON_CTPL BIT(11)
#define CON_INIT BIT(1)
#define CON_OD BIT(0)
@ -226,6 +227,23 @@ static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host,
}
}
static void sdhci_omap_enable_sdio_irq(struct mmc_host *mmc, int enable)
{
struct sdhci_host *host = mmc_priv(mmc);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);
u32 reg;
reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);
if (enable)
reg |= (CON_CTPL | CON_CLKEXTFREE);
else
reg &= ~(CON_CTPL | CON_CLKEXTFREE);
sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);
sdhci_enable_sdio_irq(mmc, enable);
}
static inline void sdhci_omap_set_dll(struct sdhci_omap_host *omap_host,
int count)
{
@ -962,6 +980,7 @@ static int sdhci_omap_probe(struct platform_device *pdev)
host->mmc_host_ops.set_ios = sdhci_omap_set_ios;
host->mmc_host_ops.card_busy = sdhci_omap_card_busy;
host->mmc_host_ops.execute_tuning = sdhci_omap_execute_tuning;
host->mmc_host_ops.enable_sdio_irq = sdhci_omap_enable_sdio_irq;
ret = sdhci_setup_host(host);
if (ret)