prcmu: prcmu@80157000 {
compatible = "stericsson,db8500-prcmu";
- reg = <0x80157000 0x1000>;
+ reg = <0x80157000 0x2000>;
reg-names = "prcmu";
interrupts = <0 47 0x4>;
#address-cells = <1>;
compatible = "regulator-gpio";
regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <2600000>;
+ regulator-max-microvolt = <2900000>;
regulator-name = "mmci-reg";
regulator-type = "voltage";
+ startup-delay-us = <100>;
+ enable-active-high;
+
states = <1800000 0x1
2900000 0x0>;
mmc-cap-sd-highspeed;
mmc-cap-mmc-highspeed;
vmmc-supply = <&ab8500_ldo_aux3_reg>;
+ vqmmc-supply = <&vmmci>;
cd-gpios = <&tc3589x_gpio 3 0x4>;
};
soc-u9500 {
+ prcmu@80157000 {
+ ab8500@5 {
+ ab8500-gpio {
+ compatible = "stericsson,ab8500-gpio";
+ };
+ };
+ };
+
i2c@80004000 {
tps61052@33 {
compatible = "tps61052";
vmmci: regulator-gpio {
gpios = <&tc3589x_gpio 18 0x4>;
- gpio-enable = <&tc3589x_gpio 17 0x4>;
+ enable-gpio = <&tc3589x_gpio 17 0x4>;
status = "okay";
};
};
ab8500@5 {
+ ab8500-gpio {
+ compatible = "stericsson,ab8500-gpio";
+ };
+
ab8500-regulators {
ab8500_ldo_aux1_reg: ab8500_ldo_aux1 {
regulator-name = "V-DISPLAY";
stmpe1601: stmpe1601@40 {
compatible = "st,stmpe1601";
reg = <0x40>;
- interrupts = <26 0x1>;
+ interrupts = <26 0x2>;
interrupt-parent = <&gpio6>;
interrupt-controller;
.consumer_supplies = gpio_en_3v3_consumers,
};
+static struct regulator_consumer_supply sdi0_reg_consumers[] = {
+ REGULATOR_SUPPLY("vqmmc", "sdi0"),
+};
+
+struct regulator_init_data sdi0_reg_init_data = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 2900000,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE|REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(sdi0_reg_consumers),
+ .consumer_supplies = sdi0_reg_consumers,
+};
+
/*
* TPS61052 regulator
*/
extern struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS];
extern struct regulator_init_data tps61052_regulator;
extern struct regulator_init_data gpio_en_3v3_regulator;
+extern struct regulator_init_data sdi0_reg_init_data;
#endif
* SDI 0 (MicroSD slot)
*/
-/* GPIO pins used by the sdi0 level shifter */
-static int sdi0_en = -1;
-static int sdi0_vsel = -1;
-
-static int mop500_sdi0_ios_handler(struct device *dev, struct mmc_ios *ios)
-{
- switch (ios->power_mode) {
- case MMC_POWER_UP:
- case MMC_POWER_ON:
- /*
- * Level shifter voltage should depend on vdd to when deciding
- * on either 1.8V or 2.9V. Once the decision has been made the
- * level shifter must be disabled and re-enabled with a changed
- * select signal in order to switch the voltage. Since there is
- * no framework support yet for indicating 1.8V in vdd, use the
- * default 2.9V.
- */
- gpio_direction_output(sdi0_vsel, 0);
- gpio_direction_output(sdi0_en, 1);
- break;
- case MMC_POWER_OFF:
- gpio_direction_output(sdi0_vsel, 0);
- gpio_direction_output(sdi0_en, 0);
- break;
- }
-
- return 0;
-}
-
#ifdef CONFIG_STE_DMA40
struct stedma40_chan_cfg mop500_sdi0_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
#endif
struct mmci_platform_data mop500_sdi0_data = {
- .ios_handler = mop500_sdi0_ios_handler,
.ocr_mask = MMC_VDD_29_30,
.f_max = 50000000,
.capabilities = MMC_CAP_4_BIT_DATA |
static void sdi0_configure(struct device *parent)
{
- int ret;
-
- ret = gpio_request(sdi0_en, "level shifter enable");
- if (!ret)
- ret = gpio_request(sdi0_vsel,
- "level shifter 1v8-3v select");
-
- if (ret) {
- pr_warning("unable to config sdi0 gpios for level shifter.\n");
- return;
- }
-
- /* Select the default 2.9V and enable level shifter */
- gpio_direction_output(sdi0_vsel, 0);
- gpio_direction_output(sdi0_en, 1);
-
/* Add the device, force v2 to subrevision 1 */
db8500_add_sdi0(parent, &mop500_sdi0_data, U8500_SDI_V2_PERIPHID);
}
void mop500_sdi_tc35892_init(struct device *parent)
{
mop500_sdi0_data.gpio_cd = GPIO_SDMMC_CD;
- sdi0_en = GPIO_SDMMC_EN;
- sdi0_vsel = GPIO_SDMMC_1V8_3V_SEL;
sdi0_configure(parent);
}
/* External Micro SD slot */
mop500_sdi0_data.gpio_cd = SNOWBALL_SDMMC_CD_GPIO;
mop500_sdi0_data.cd_invert = true;
- sdi0_en = SNOWBALL_SDMMC_EN_GPIO;
- sdi0_vsel = SNOWBALL_SDMMC_1V8_3V_GPIO;
sdi0_configure(parent);
}
db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
/* External Micro SD slot */
mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO;
- sdi0_en = HREFV60_SDMMC_EN_GPIO;
- sdi0_vsel = HREFV60_SDMMC_1V8_3V_GPIO;
sdi0_configure(parent);
/* WLAN SDIO channel */
db8500_add_sdi1(parent, &mop500_sdi1_data, U8500_SDI_V2_PERIPHID);
#include <linux/mfd/abx500/ab8500.h>
#include <linux/regulator/ab8500.h>
#include <linux/regulator/fixed.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/gpio-regulator.h>
#include <linux/mfd/tc3589x.h>
#include <linux/mfd/tps6105x.h>
#include <linux/mfd/abx500/ab8500-gpio.h>
},
};
+/* Dynamically populated. */
+static struct gpio sdi0_reg_gpios[] = {
+ { 0, GPIOF_OUT_INIT_LOW, "mmci_vsel" },
+};
+
+static struct gpio_regulator_state sdi0_reg_states[] = {
+ { .value = 2900000, .gpios = (0 << 0) },
+ { .value = 1800000, .gpios = (1 << 0) },
+};
+
+static struct gpio_regulator_config sdi0_reg_info = {
+ .supply_name = "ext-mmc-level-shifter",
+ .gpios = sdi0_reg_gpios,
+ .nr_gpios = ARRAY_SIZE(sdi0_reg_gpios),
+ .states = sdi0_reg_states,
+ .nr_states = ARRAY_SIZE(sdi0_reg_states),
+ .type = REGULATOR_VOLTAGE,
+ .enable_high = 1,
+ .enabled_at_boot = 0,
+ .init_data = &sdi0_reg_init_data,
+ .startup_delay = 100,
+};
+
+static struct platform_device sdi0_regulator = {
+ .name = "gpio-regulator",
+ .id = -1,
+ .dev = {
+ .platform_data = &sdi0_reg_info,
+ },
+};
+
static struct abx500_gpio_platform_data ab8500_gpio_pdata = {
.gpio_base = MOP500_AB8500_PIN_GPIO(1),
};
/* add any platform devices here - TODO */
static struct platform_device *mop500_platform_devs[] __initdata = {
&mop500_gpio_keys_device,
+ &sdi0_regulator,
};
#ifdef CONFIG_STE_DMA40
&snowball_gpio_en_3v3_regulator_dev,
&u8500_thsens_device,
&u8500_cpufreq_cooling_device,
+ &sdi0_regulator,
};
static void __init mop500_init_machine(void)
platform_device_register(&db8500_prcmu_device);
mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
+ sdi0_reg_info.enable_gpio = GPIO_SDMMC_EN;
+ sdi0_reg_info.gpios[0].gpio = GPIO_SDMMC_1V8_3V_SEL;
+
mop500_pinmaps_init();
parent = u8500_init_devices(&ab8500_platdata);
int i;
platform_device_register(&db8500_prcmu_device);
+
+ sdi0_reg_info.enable_gpio = SNOWBALL_SDMMC_EN_GPIO;
+ sdi0_reg_info.gpios[0].gpio = SNOWBALL_SDMMC_1V8_3V_GPIO;
+
snowball_pinmaps_init();
parent = u8500_init_devices(&ab8500_platdata);
*/
mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
+ sdi0_reg_info.enable_gpio = HREFV60_SDMMC_EN_GPIO;
+ sdi0_reg_info.gpios[0].gpio = HREFV60_SDMMC_1V8_3V_GPIO;
+
hrefv60_pinmaps_init();
parent = u8500_init_devices(&ab8500_platdata);
OF_DEV_AUXDATA("st,nomadik-i2c", 0x8012a000, "nmk-i2c.4", NULL),
OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu",
&db8500_prcmu_pdata),
+ OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x", NULL),
/* Requires device name bindings. */
OF_DEV_AUXDATA("stericsson,nmk-pinctrl", U8500_PRCMU_BASE,
"pinctrl-db8500", NULL),
clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", U8500_CLKRST3_BASE,
BIT(0), 0);
- clk_register_clkdev(clk, NULL, "fsmc");
+ clk_register_clkdev(clk, "fsmc", NULL);
+ clk_register_clkdev(clk, NULL, "smsc911x");
clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", U8500_CLKRST3_BASE,
BIT(1), 0);
case MMC_POWER_OFF:
if (!IS_ERR(mmc->supply.vmmc))
mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0);
+
+ if (!IS_ERR(mmc->supply.vqmmc) &&
+ regulator_is_enabled(mmc->supply.vqmmc))
+ regulator_disable(mmc->supply.vqmmc);
+
break;
case MMC_POWER_UP:
if (!IS_ERR(mmc->supply.vmmc))
break;
case MMC_POWER_ON:
+ if (!IS_ERR(mmc->supply.vqmmc) &&
+ !regulator_is_enabled(mmc->supply.vqmmc))
+ regulator_enable(mmc->supply.vqmmc);
+
pwr |= MCI_PWR_ON;
break;
}
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/crc32.h>
+#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/etherdevice.h>
/* regulators */
struct regulator_bulk_data supplies[SMSC911X_NUM_SUPPLIES];
+
+ /* clock */
+ struct clk *clk;
};
/* Easy access to information */
}
/*
- * enable resources, currently just regulators.
+ * enable regulator and clock resources.
*/
static int smsc911x_enable_resources(struct platform_device *pdev)
{
if (ret)
netdev_err(ndev, "failed to enable regulators %d\n",
ret);
+
+ if (!IS_ERR(pdata->clk)) {
+ ret = clk_prepare_enable(pdata->clk);
+ if (ret < 0)
+ netdev_err(ndev, "failed to enable clock %d\n", ret);
+ }
+
return ret;
}
ret = regulator_bulk_disable(ARRAY_SIZE(pdata->supplies),
pdata->supplies);
+
+ if (!IS_ERR(pdata->clk))
+ clk_disable_unprepare(pdata->clk);
+
return ret;
}
if (ret)
netdev_err(ndev, "couldn't get regulators %d\n",
ret);
+
+ /* Request clock */
+ pdata->clk = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(pdata->clk))
+ netdev_warn(ndev, "couldn't get clock %li\n", PTR_ERR(pdata->clk));
+
return ret;
}
/* Free regulators */
regulator_bulk_free(ARRAY_SIZE(pdata->supplies),
pdata->supplies);
+
+ /* Free clock */
+ if (!IS_ERR(pdata->clk)) {
+ clk_put(pdata->clk);
+ pdata->clk = NULL;
+ }
}
/* waits for MAC not busy, with timeout. Only called by smsc911x_mac_read
projects / karo-tx-linux.git / commitdiff