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mmc: sd_sdhi: Enable clock using clock framework

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Since we now have clock driver for the RCar Gen3 , add support for
enabling the clock into the SH SDHI driver to prevent hacks in the
board files.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Marek Vasut 2017-07-21 23:22:56 +02:00 • committed by Jaehoon Chung
parent a3f0a7d5b5
commit 8cd46cba53
1 changed files with 15 additions and 0 deletions
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15
drivers/mmc/sh_sdhi.c
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@ -20,6 +20,7 @@
#include <linux/sizes.h> #include <linux/sizes.h>
#include <asm/arch/rmobile.h> #include <asm/arch/rmobile.h>
#include <asm/arch/sh_sdhi.h> #include <asm/arch/sh_sdhi.h>
#include <clk.h>
#define DRIVER_NAME "sh-sdhi" #define DRIVER_NAME "sh-sdhi"
@ -824,8 +825,10 @@ static int sh_sdhi_dm_probe(struct udevice *dev)
struct sh_sdhi_plat *plat = dev_get_platdata(dev); struct sh_sdhi_plat *plat = dev_get_platdata(dev);
struct sh_sdhi_host *host = dev_get_priv(dev); struct sh_sdhi_host *host = dev_get_priv(dev);
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
struct clk sh_sdhi_clk;
const u32 quirks = dev_get_driver_data(dev); const u32 quirks = dev_get_driver_data(dev);
fdt_addr_t base; fdt_addr_t base;
int ret;
base = devfdt_get_addr(dev); base = devfdt_get_addr(dev);
if (base == FDT_ADDR_T_NONE) if (base == FDT_ADDR_T_NONE)
@ -835,6 +838,18 @@ static int sh_sdhi_dm_probe(struct udevice *dev)
if (!host->addr) if (!host->addr)
return -ENOMEM; return -ENOMEM;
ret = clk_get_by_index(dev, 0, &sh_sdhi_clk);
if (ret) {
debug("failed to get clock, ret=%d\n", ret);
return ret;
}
ret = clk_enable(&sh_sdhi_clk);
if (ret) {
debug("failed to enable clock, ret=%d\n", ret);
return ret;
}
host->quirks = quirks; host->quirks = quirks;
if (host->quirks & SH_SDHI_QUIRK_64BIT_BUF) if (host->quirks & SH_SDHI_QUIRK_64BIT_BUF)