forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge branch 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/l…
…inux-msm * 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/linux-msm: msm: mmc: Add msm prefix to platform data structure msm: trout: Remove extern declaration from source file arm: msm: Fix section mismatch in smd.c. arm: msm: trout add mmc support arm: msm: trout: add trout specific gpio interrupts arm: msm: remove unused #include <linux/version.h>
- Loading branch information
Showing
12 changed files
with
323 additions
and
8 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,186 @@ | ||
| /* linux/arch/arm/mach-msm/board-trout-mmc.c | ||
| ** Author: Brian Swetland <[email protected]> | ||
| */ | ||
|
|
||
| #include <linux/kernel.h> | ||
| #include <linux/init.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/delay.h> | ||
| #include <linux/mmc/host.h> | ||
| #include <linux/mmc/sdio_ids.h> | ||
| #include <linux/err.h> | ||
| #include <linux/debugfs.h> | ||
|
|
||
| #include <asm/gpio.h> | ||
| #include <asm/io.h> | ||
|
|
||
| #include <mach/vreg.h> | ||
|
|
||
| #include <mach/mmc.h> | ||
|
|
||
| #include "devices.h" | ||
|
|
||
| #include "board-trout.h" | ||
|
|
||
| #include "proc_comm.h" | ||
|
|
||
| #define DEBUG_SDSLOT_VDD 1 | ||
|
|
||
| /* ---- COMMON ---- */ | ||
| static void config_gpio_table(uint32_t *table, int len) | ||
| { | ||
| int n; | ||
| unsigned id; | ||
| for(n = 0; n < len; n++) { | ||
| id = table[n]; | ||
| msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &id, 0); | ||
| } | ||
| } | ||
|
|
||
| /* ---- SDCARD ---- */ | ||
|
|
||
| static uint32_t sdcard_on_gpio_table[] = { | ||
| PCOM_GPIO_CFG(62, 2, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA), /* CLK */ | ||
| PCOM_GPIO_CFG(63, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), /* CMD */ | ||
| PCOM_GPIO_CFG(64, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), /* DAT3 */ | ||
| PCOM_GPIO_CFG(65, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), /* DAT2 */ | ||
| PCOM_GPIO_CFG(66, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT1 */ | ||
| PCOM_GPIO_CFG(67, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT0 */ | ||
| }; | ||
|
|
||
| static uint32_t sdcard_off_gpio_table[] = { | ||
| PCOM_GPIO_CFG(62, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* CLK */ | ||
| PCOM_GPIO_CFG(63, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* CMD */ | ||
| PCOM_GPIO_CFG(64, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT3 */ | ||
| PCOM_GPIO_CFG(65, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT2 */ | ||
| PCOM_GPIO_CFG(66, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT1 */ | ||
| PCOM_GPIO_CFG(67, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT0 */ | ||
| }; | ||
|
|
||
| static uint opt_disable_sdcard; | ||
|
|
||
| static int __init trout_disablesdcard_setup(char *str) | ||
| { | ||
| int cal = simple_strtol(str, NULL, 0); | ||
|
|
||
| opt_disable_sdcard = cal; | ||
| return 1; | ||
| } | ||
|
|
||
| __setup("board_trout.disable_sdcard=", trout_disablesdcard_setup); | ||
|
|
||
| static struct vreg *vreg_sdslot; /* SD slot power */ | ||
|
|
||
| struct mmc_vdd_xlat { | ||
| int mask; | ||
| int level; | ||
| }; | ||
|
|
||
| static struct mmc_vdd_xlat mmc_vdd_table[] = { | ||
| { MMC_VDD_165_195, 1800 }, | ||
| { MMC_VDD_20_21, 2050 }, | ||
| { MMC_VDD_21_22, 2150 }, | ||
| { MMC_VDD_22_23, 2250 }, | ||
| { MMC_VDD_23_24, 2350 }, | ||
| { MMC_VDD_24_25, 2450 }, | ||
| { MMC_VDD_25_26, 2550 }, | ||
| { MMC_VDD_26_27, 2650 }, | ||
| { MMC_VDD_27_28, 2750 }, | ||
| { MMC_VDD_28_29, 2850 }, | ||
| { MMC_VDD_29_30, 2950 }, | ||
| }; | ||
|
|
||
| static unsigned int sdslot_vdd = 0xffffffff; | ||
| static unsigned int sdslot_vreg_enabled; | ||
|
|
||
| static uint32_t trout_sdslot_switchvdd(struct device *dev, unsigned int vdd) | ||
| { | ||
| int i, rc; | ||
|
|
||
| BUG_ON(!vreg_sdslot); | ||
|
|
||
| if (vdd == sdslot_vdd) | ||
| return 0; | ||
|
|
||
| sdslot_vdd = vdd; | ||
|
|
||
| if (vdd == 0) { | ||
| #if DEBUG_SDSLOT_VDD | ||
| printk("%s: Disabling SD slot power\n", __func__); | ||
| #endif | ||
| config_gpio_table(sdcard_off_gpio_table, | ||
| ARRAY_SIZE(sdcard_off_gpio_table)); | ||
| vreg_disable(vreg_sdslot); | ||
| sdslot_vreg_enabled = 0; | ||
| return 0; | ||
| } | ||
|
|
||
| if (!sdslot_vreg_enabled) { | ||
| rc = vreg_enable(vreg_sdslot); | ||
| if (rc) { | ||
| printk(KERN_ERR "%s: Error enabling vreg (%d)\n", | ||
| __func__, rc); | ||
| } | ||
| config_gpio_table(sdcard_on_gpio_table, | ||
| ARRAY_SIZE(sdcard_on_gpio_table)); | ||
| sdslot_vreg_enabled = 1; | ||
| } | ||
|
|
||
| for (i = 0; i < ARRAY_SIZE(mmc_vdd_table); i++) { | ||
| if (mmc_vdd_table[i].mask == (1 << vdd)) { | ||
| #if DEBUG_SDSLOT_VDD | ||
| printk("%s: Setting level to %u\n", | ||
| __func__, mmc_vdd_table[i].level); | ||
| #endif | ||
| rc = vreg_set_level(vreg_sdslot, | ||
| mmc_vdd_table[i].level); | ||
| if (rc) { | ||
| printk(KERN_ERR | ||
| "%s: Error setting vreg level (%d)\n", | ||
| __func__, rc); | ||
| } | ||
| return 0; | ||
| } | ||
| } | ||
|
|
||
| printk(KERN_ERR "%s: Invalid VDD %d specified\n", __func__, vdd); | ||
| return 0; | ||
| } | ||
|
|
||
| static unsigned int trout_sdslot_status(struct device *dev) | ||
| { | ||
| unsigned int status; | ||
|
|
||
| status = (unsigned int) gpio_get_value(TROUT_GPIO_SDMC_CD_N); | ||
| return (!status); | ||
| } | ||
|
|
||
| #define TROUT_MMC_VDD MMC_VDD_165_195 | MMC_VDD_20_21 | MMC_VDD_21_22 \ | ||
| | MMC_VDD_22_23 | MMC_VDD_23_24 | MMC_VDD_24_25 \ | ||
| | MMC_VDD_25_26 | MMC_VDD_26_27 | MMC_VDD_27_28 \ | ||
| | MMC_VDD_28_29 | MMC_VDD_29_30 | ||
|
|
||
| static struct msm_mmc_platform_data trout_sdslot_data = { | ||
| .ocr_mask = TROUT_MMC_VDD, | ||
| .status = trout_sdslot_status, | ||
| .translate_vdd = trout_sdslot_switchvdd, | ||
| }; | ||
|
|
||
| int __init trout_init_mmc(unsigned int sys_rev) | ||
| { | ||
| sdslot_vreg_enabled = 0; | ||
|
|
||
| vreg_sdslot = vreg_get(0, "gp6"); | ||
| if (IS_ERR(vreg_sdslot)) | ||
| return PTR_ERR(vreg_sdslot); | ||
|
|
||
| set_irq_wake(TROUT_GPIO_TO_INT(TROUT_GPIO_SDMC_CD_N), 1); | ||
|
|
||
| if (!opt_disable_sdcard) | ||
| msm_add_sdcc(2, &trout_sdslot_data, | ||
| TROUT_GPIO_TO_INT(TROUT_GPIO_SDMC_CD_N), 0); | ||
| else | ||
| printk(KERN_INFO "trout: SD-Card interface disabled\n"); | ||
| return 0; | ||
| } | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.