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mach-davinci SoC support updates to adjust 

USB ohci device name to that used by drivers
 and update of various board files to use gpio
 descriptor API used by MMC subsystem for card
 detect and write-protect detection.
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Merge tag 'davinci-for-v4.10/soc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc

Pull "DaVinci SoC updates for v4.10 (part 3)" from Sekhar Nori:

mach-davinci SoC support updates to adjust
USB ohci device name to that used by drivers
and update of various board files to use gpio
descriptor API used by MMC subsystem for card
detect and write-protect detection.

* tag 'davinci-for-v4.10/soc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: da830-evm: use gpio descriptor for mmc pins
  ARM: davinci: da850-evm: use gpio descriptor for mmc pins
  ARM: davinci: hawk: use gpio descriptor for mmc pins
  ARM: davinci: da8xx: Fix ohci device name
This commit is contained in:
Arnd Bergmann 2016-11-30 14:48:30 +01:00
parent c0db16b815 b5e1438cf9
commit 196249beab
7 changed files with 37 additions and 91 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
arch/arm/mach-davinci/board-da830-evm.c
View File

@ -14,6 +14,7 @@
#include <linux/console.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
@ -204,22 +205,16 @@ static const short da830_evm_mmc_sd_pins[] = {
-1
};
#define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1)
#define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2)
static int da830_evm_mmc_get_ro(int index)
{
return gpio_get_value(DA830_MMCSD_WP_PIN);
}
static int da830_evm_mmc_get_cd(int index)
{
return !gpio_get_value(DA830_MMCSD_CD_PIN);
}
static struct gpiod_lookup_table mmc_gpios_table = {
.dev_id = "da830-mmc.0",
.table = {
/* gpio chip 1 contains gpio range 32-63 */
GPIO_LOOKUP("davinci_gpio.1", 2, "cd", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("davinci_gpio.1", 1, "wp", GPIO_ACTIVE_LOW),
},
};
static struct davinci_mmc_config da830_evm_mmc_config = {
.get_ro = da830_evm_mmc_get_ro,
.get_cd = da830_evm_mmc_get_cd,
.wires = 8,
.max_freq = 50000000,
.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
@ -235,26 +230,12 @@ static inline void da830_evm_init_mmc(void)
return;
}
ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
if (ret) {
pr_warn("%s: can not open GPIO %d\n",
__func__, DA830_MMCSD_WP_PIN);
return;
}
gpio_direction_input(DA830_MMCSD_WP_PIN);
ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
if (ret) {
pr_warn("%s: can not open GPIO %d\n",
__func__, DA830_MMCSD_CD_PIN);
return;
}
gpio_direction_input(DA830_MMCSD_CD_PIN);
gpiod_add_lookup_table(&mmc_gpios_table);
ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
if (ret) {
pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
gpio_free(DA830_MMCSD_WP_PIN);
gpiod_remove_lookup_table(&mmc_gpios_table);
}
}

35
arch/arm/mach-davinci/board-da850-evm.c
View File

@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/gpio/machine.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
@ -56,9 +57,6 @@
#define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
#define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
#define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
static struct mtd_partition da850evm_spiflash_part[] = {
@ -764,19 +762,16 @@ static const short da850_evm_mcasp_pins[] __initconst = {
-1
};
static int da850_evm_mmc_get_ro(int index)
{
return gpio_get_value(DA850_MMCSD_WP_PIN);
}
static int da850_evm_mmc_get_cd(int index)
{
return !gpio_get_value(DA850_MMCSD_CD_PIN);
}
static struct gpiod_lookup_table mmc_gpios_table = {
.dev_id = "da830-mmc.0",
.table = {
/* gpio chip 2 contains gpio range 64-95 */
GPIO_LOOKUP("davinci_gpio.2", 0, "cd", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("davinci_gpio.2", 1, "wp", GPIO_ACTIVE_LOW),
},
};
static struct davinci_mmc_config da850_mmc_config = {
.get_ro = da850_evm_mmc_get_ro,
.get_cd = da850_evm_mmc_get_cd,
.wires = 4,
.max_freq = 50000000,
.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
@ -1371,17 +1366,7 @@ static __init void da850_evm_init(void)
pr_warn("%s: MMCSD0 mux setup failed: %d\n",
__func__, ret);
ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
if (ret)
pr_warn("%s: can not open GPIO %d\n",
__func__, DA850_MMCSD_CD_PIN);
gpio_direction_input(DA850_MMCSD_CD_PIN);
ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
if (ret)
pr_warn("%s: can not open GPIO %d\n",
__func__, DA850_MMCSD_WP_PIN);
gpio_direction_input(DA850_MMCSD_WP_PIN);
gpiod_add_lookup_table(&mmc_gpios_table);
ret = da8xx_register_mmcsd0(&da850_mmc_config);
if (ret)

42
arch/arm/mach-davinci/board-omapl138-hawk.c
View File

@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/console.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/platform_data/gpio-davinci.h>
#include <linux/regulator/machine.h>
@ -25,8 +26,6 @@
#include <mach/mux.h>
#define HAWKBOARD_PHY_ID "davinci_mdio-0:07"
#define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12)
#define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13)
#define DA850_USB1_VBUS_PIN GPIO_TO_PIN(2, 4)
#define DA850_USB1_OC_PIN GPIO_TO_PIN(6, 13)
@ -123,19 +122,16 @@ static const short hawk_mmcsd0_pins[] = {
-1
};
static int da850_hawk_mmc_get_ro(int index)
{
return gpio_get_value(DA850_HAWK_MMCSD_WP_PIN);
}
static int da850_hawk_mmc_get_cd(int index)
{
return !gpio_get_value(DA850_HAWK_MMCSD_CD_PIN);
}
static struct gpiod_lookup_table mmc_gpios_table = {
.dev_id = "da830-mmc.0",
.table = {
/* CD: gpio3_12: gpio60: chip 1 contains gpio range 32-63*/
GPIO_LOOKUP("davinci_gpio.1", 28, "cd", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("davinci_gpio.1", 29, "wp", GPIO_ACTIVE_LOW),
},
};
static struct davinci_mmc_config da850_mmc_config = {
.get_ro = da850_hawk_mmc_get_ro,
.get_cd = da850_hawk_mmc_get_cd,
.wires = 4,
.max_freq = 50000000,
.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
@ -151,21 +147,7 @@ static __init void omapl138_hawk_mmc_init(void)
return;
}
ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN,
GPIOF_DIR_IN, "MMC CD");
if (ret < 0) {
pr_warn("%s: can not open GPIO %d\n",
__func__, DA850_HAWK_MMCSD_CD_PIN);
return;
}
ret = gpio_request_one(DA850_HAWK_MMCSD_WP_PIN,
GPIOF_DIR_IN, "MMC WP");
if (ret < 0) {
pr_warn("%s: can not open GPIO %d\n",
__func__, DA850_HAWK_MMCSD_WP_PIN);
goto mmc_setup_wp_fail;
}
gpiod_add_lookup_table(&mmc_gpios_table);
ret = da8xx_register_mmcsd0(&da850_mmc_config);
if (ret) {
@ -176,9 +158,7 @@ static __init void omapl138_hawk_mmc_init(void)
return;
mmc_setup_mmcsd_fail:
gpio_free(DA850_HAWK_MMCSD_WP_PIN);
mmc_setup_wp_fail:
gpio_free(DA850_HAWK_MMCSD_CD_PIN);
gpiod_remove_lookup_table(&mmc_gpios_table);
}
static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id);

2
arch/arm/mach-davinci/da830.c
View File

@ -420,7 +420,7 @@ static struct clk_lookup da830_clks[] = {
CLK("davinci_mdio.0", "fck", &emac_clk),
CLK(NULL, "gpio", &gpio_clk),
CLK("i2c_davinci.2", NULL, &i2c1_clk),
CLK("ohci", "usb11", &usb11_clk),
CLK("ohci-da8xx", "usb11", &usb11_clk),
CLK(NULL, "emif3", &emif3_clk),
CLK(NULL, "arm", &arm_clk),
CLK(NULL, "rmii", &rmii_clk),

2
arch/arm/mach-davinci/da850.c
View File

@ -503,7 +503,7 @@ static struct clk_lookup da850_clks[] = {
CLK("da830-mmc.1", NULL, &mmcsd1_clk),
CLK("ti-aemif", NULL, &aemif_clk),
CLK(NULL, "aemif", &aemif_clk),
CLK("ohci", "usb11", &usb11_clk),
CLK("ohci-da8xx", "usb11", &usb11_clk),
CLK("musb-da8xx", "usb20", &usb20_clk),
CLK("spi_davinci.0", NULL, &spi0_clk),
CLK("spi_davinci.1", NULL, &spi1_clk),

2
arch/arm/mach-davinci/da8xx-dt.c
View File

@ -39,7 +39,7 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0", NULL),
OF_DEV_AUXDATA("ti,da850-aemif", 0x68000000, "ti-aemif", NULL),
OF_DEV_AUXDATA("ti,da850-tilcdc", 0x01e13000, "da8xx_lcdc.0", NULL),
OF_DEV_AUXDATA("ti,da830-ohci", 0x01e25000, "ohci", NULL),
OF_DEV_AUXDATA("ti,da830-ohci", 0x01e25000, "ohci-da8xx", NULL),
OF_DEV_AUXDATA("ti,da830-musb", 0x01e00000, "musb-da8xx", NULL),
OF_DEV_AUXDATA("ti,da830-usb-phy", 0x01c1417c, "da8xx-usb-phy", NULL),
{}

4
arch/arm/mach-davinci/usb-da8xx.c
View File

@ -109,8 +109,8 @@ static struct resource da8xx_usb11_resources[] = {
static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
static struct platform_device da8xx_usb11_device = {
.name = "ohci",
.id = 0,
.name = "ohci-da8xx",
.id = -1,
.dev = {
.dma_mask = &da8xx_usb11_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),