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dm: mmc: Remove use of fdtdec GPIO support

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These functions are going away, so use the new uclass support instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-01-05 20:05:38 -07:00
parent 9762a415c8
commit 0347960b87
5 changed files with 28 additions and 41 deletions
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0
arch/arm/include/asm/arch-pantheon/gpio.h Normal file
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7
arch/arm/include/asm/arch-tegra/tegra_mmc.h
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@ -10,6 +10,7 @@
#define __TEGRA_MMC_H_ #define __TEGRA_MMC_H_
#include <fdtdec.h> #include <fdtdec.h>
#include <asm/gpio.h>
/* for mmc_config definition */ /* for mmc_config definition */
#include <mmc.h> #include <mmc.h>
@ -134,9 +135,9 @@ struct mmc_host {
int enabled; /* 1 to enable, 0 to disable */ int enabled; /* 1 to enable, 0 to disable */
int width; /* Bus Width, 1, 4 or 8 */ int width; /* Bus Width, 1, 4 or 8 */
enum periph_id mmc_id; /* Peripheral ID: PERIPH_ID_... */ enum periph_id mmc_id; /* Peripheral ID: PERIPH_ID_... */
struct fdt_gpio_state cd_gpio; /* Change Detect GPIO */ struct gpio_desc cd_gpio; /* Change Detect GPIO */
struct fdt_gpio_state pwr_gpio; /* Power GPIO */ struct gpio_desc pwr_gpio; /* Power GPIO */
struct fdt_gpio_state wp_gpio; /* Write Protect GPIO */ struct gpio_desc wp_gpio; /* Write Protect GPIO */
unsigned int version; /* SDHCI spec. version */ unsigned int version; /* SDHCI spec. version */
unsigned int clock; /* Current clock (MHz) */ unsigned int clock; /* Current clock (MHz) */
struct mmc_config cfg; /* mmc configuration */ struct mmc_config cfg; /* mmc configuration */

20
drivers/mmc/s5p_sdhci.c
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@ -102,17 +102,14 @@ struct sdhci_host sdhci_host[SDHCI_MAX_HOSTS];
static int do_sdhci_init(struct sdhci_host *host) static int do_sdhci_init(struct sdhci_host *host)
{ {
char str[20];
int dev_id, flag; int dev_id, flag;
int err = 0; int err = 0;
flag = host->bus_width == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE; flag = host->bus_width == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE;
dev_id = host->index + PERIPH_ID_SDMMC0; dev_id = host->index + PERIPH_ID_SDMMC0;
if (fdt_gpio_isvalid(&host->pwr_gpio)) { if (dm_gpio_is_valid(&host->pwr_gpio)) {
sprintf(str, "sdhci%d_power", host->index & 0xf); dm_gpio_set_value(&host->pwr_gpio, 1);
gpio_request(host->pwr_gpio.gpio, str);
gpio_direction_output(host->pwr_gpio.gpio, 1);
err = exynos_pinmux_config(dev_id, flag); err = exynos_pinmux_config(dev_id, flag);
if (err) { if (err) {
debug("MMC not configured\n"); debug("MMC not configured\n");
@ -120,11 +117,8 @@ static int do_sdhci_init(struct sdhci_host *host)
} }
} }
if (fdt_gpio_isvalid(&host->cd_gpio)) { if (dm_gpio_is_valid(&host->cd_gpio)) {
sprintf(str, "sdhci%d_cd", host->index & 0xf); if (dm_gpio_get_value(&host->cd_gpio))
gpio_request(host->cd_gpio.gpio, str);
gpio_direction_input(host->cd_gpio.gpio);
if (gpio_get_value(host->cd_gpio.gpio))
return -ENODEV; return -ENODEV;
err = exynos_pinmux_config(dev_id, flag); err = exynos_pinmux_config(dev_id, flag);
@ -166,8 +160,10 @@ static int sdhci_get_config(const void *blob, int node, struct sdhci_host *host)
} }
host->ioaddr = (void *)base; host->ioaddr = (void *)base;
fdtdec_decode_gpio(blob, node, "pwr-gpios", &host->pwr_gpio); gpio_request_by_name_nodev(blob, node, "pwr-gpios", 0, &host->pwr_gpio,
fdtdec_decode_gpio(blob, node, "cd-gpios", &host->cd_gpio); GPIOD_IS_OUT);
gpio_request_by_name_nodev(blob, node, "cd-gpios", 0, &host->cd_gpio,
GPIOD_IS_IN);
return 0; return 0;
} }

36
drivers/mmc/tegra_mmc.c
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@ -515,8 +515,8 @@ static int tegra_mmc_getcd(struct mmc *mmc)
debug("tegra_mmc_getcd called\n"); debug("tegra_mmc_getcd called\n");
if (fdt_gpio_isvalid(&host->cd_gpio)) if (dm_gpio_is_valid(&host->cd_gpio))
return fdtdec_get_gpio(&host->cd_gpio); return dm_gpio_get_value(&host->cd_gpio);
return 1; return 1;
} }
@ -531,7 +531,6 @@ static const struct mmc_ops tegra_mmc_ops = {
static int do_mmc_init(int dev_index) static int do_mmc_init(int dev_index)
{ {
struct mmc_host *host; struct mmc_host *host;
char gpusage[12]; /* "SD/MMCn PWR" or "SD/MMCn CD" */
struct mmc *mmc; struct mmc *mmc;
/* DT should have been read & host config filled in */ /* DT should have been read & host config filled in */
@ -539,27 +538,15 @@ static int do_mmc_init(int dev_index)
if (!host->enabled) if (!host->enabled)
return -1; return -1;
debug(" do_mmc_init: index %d, bus width %d " debug(" do_mmc_init: index %d, bus width %d pwr_gpio %d cd_gpio %d\n",
"pwr_gpio %d cd_gpio %d\n", dev_index, host->width, gpio_get_number(&host->pwr_gpio),
dev_index, host->width, gpio_get_number(&host->cd_gpio));
host->pwr_gpio.gpio, host->cd_gpio.gpio);
host->clock = 0; host->clock = 0;
clock_start_periph_pll(host->mmc_id, CLOCK_ID_PERIPH, 20000000); clock_start_periph_pll(host->mmc_id, CLOCK_ID_PERIPH, 20000000);
if (fdt_gpio_isvalid(&host->pwr_gpio)) { if (dm_gpio_is_valid(&host->pwr_gpio))
sprintf(gpusage, "SD/MMC%d PWR", dev_index); dm_gpio_set_value(&host->pwr_gpio, 1);
gpio_request(host->pwr_gpio.gpio, gpusage);
gpio_direction_output(host->pwr_gpio.gpio, 1);
debug(" Power GPIO name = %s\n", host->pwr_gpio.name);
}
if (fdt_gpio_isvalid(&host->cd_gpio)) {
sprintf(gpusage, "SD/MMC%d CD", dev_index);
gpio_request(host->cd_gpio.gpio, gpusage);
gpio_direction_input(host->cd_gpio.gpio);
debug(" CD GPIO name = %s\n", host->cd_gpio.name);
}
memset(&host->cfg, 0, sizeof(host->cfg)); memset(&host->cfg, 0, sizeof(host->cfg));
@ -626,9 +613,12 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host)
debug("%s: no sdmmc width found\n", __func__); debug("%s: no sdmmc width found\n", __func__);
/* These GPIOs are optional */ /* These GPIOs are optional */
fdtdec_decode_gpio(blob, node, "cd-gpios", &host->cd_gpio); gpio_request_by_name_nodev(blob, node, "cd-gpios", 0, &host->cd_gpio,
fdtdec_decode_gpio(blob, node, "wp-gpios", &host->wp_gpio); GPIOD_IS_IN);
fdtdec_decode_gpio(blob, node, "power-gpios", &host->pwr_gpio); gpio_request_by_name_nodev(blob, node, "wp-gpios", 0, &host->wp_gpio,
GPIOD_IS_IN);
gpio_request_by_name_nodev(blob, node, "power-gpios", 0,
&host->pwr_gpio, GPIOD_IS_OUT);
debug("%s: found controller at %p, width = %d, periph_id = %d\n", debug("%s: found controller at %p, width = %d, periph_id = %d\n",
__func__, host->reg, host->width, host->mmc_id); __func__, host->reg, host->width, host->mmc_id);

6
include/sdhci.h
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@ -12,7 +12,7 @@
#include <asm/io.h> #include <asm/io.h>
#include <mmc.h> #include <mmc.h>
#include <fdtdec.h> #include <asm/gpio.h>
/* /*
* Controller registers * Controller registers
@ -246,8 +246,8 @@ struct sdhci_host {
int index; int index;
int bus_width; int bus_width;
struct fdt_gpio_state pwr_gpio; /* Power GPIO */ struct gpio_desc pwr_gpio; /* Power GPIO */
struct fdt_gpio_state cd_gpio; /* Card Detect GPIO */ struct gpio_desc cd_gpio; /* Card Detect GPIO */
void (*set_control_reg)(struct sdhci_host *host); void (*set_control_reg)(struct sdhci_host *host);
void (*set_clock)(int dev_index, unsigned int div); void (*set_clock)(int dev_index, unsigned int div);