diff options
| author | guoyin.chen <guoyin.chen@freescale.com> | 2012-12-18 17:47:29 +0800 |
|---|---|---|
| committer | Tapani <tapani@vmail.me> | 2013-03-29 11:41:57 +0800 |
| commit | 8e2767d8e6ba0013e6cf088fc05f9161968570d4 (patch) | |
| tree | 357e3863eb1871838a3ef8aeeed76a110ca95d7a /arch | |
| parent | f4ec9060d9e6b32d188c0bb732fce4cd97a8a430 (diff) | |
ENGR00237520 mx6q_sabresd: Move power control to pcie driver
Keep power supply of pcie by setting the flag pcie_power_always_on
Signed-off-by: guoyin.chen <guoyin.chen@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx6/board-mx6q_sabresd.c | 33 |
1 files changed, 1 insertions, 32 deletions
diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.c b/arch/arm/mach-mx6/board-mx6q_sabresd.c index 7e6ae6a5c2d8..089c52f7d14a 100644 --- a/arch/arm/mach-mx6/board-mx6q_sabresd.c +++ b/arch/arm/mach-mx6/board-mx6q_sabresd.c @@ -1462,31 +1462,6 @@ static int __init imx6q_init_audio(void) return 0; } -#ifndef CONFIG_IMX_PCIE -static void pcie_3v3_power(void) -{ - /* disable PCIE_3V3 first */ - gpio_request(SABRESD_PCIE_PWR_EN, "pcie_3v3_en"); - gpio_direction_output(SABRESD_PCIE_PWR_EN, 0); - mdelay(10); - /* enable PCIE_3V3 again */ - gpio_set_value(SABRESD_PCIE_PWR_EN, 1); - gpio_free(SABRESD_PCIE_PWR_EN); -} - -static void pcie_3v3_reset(void) -{ - /* reset miniPCIe */ - gpio_request(SABRESD_PCIE_RST_B_REVB, "pcie_reset_rebB"); - gpio_direction_output(SABRESD_PCIE_RST_B_REVB, 0); - /* The PCI Express Mini CEM specification states that PREST# is - deasserted minimum 1ms after 3.3vVaux has been applied and stable*/ - mdelay(1); - gpio_set_value(SABRESD_PCIE_RST_B_REVB, 1); - gpio_free(SABRESD_PCIE_RST_B_REVB); -} -#endif - static void gps_power_on(bool on) { /* Enable/disable aux_3v15 */ @@ -1738,6 +1713,7 @@ static const struct imx_pcie_platform_data mx6_sabresd_pcie_data __initconst = { .pcie_rst = SABRESD_PCIE_RST_B_REVB, .pcie_wake_up = SABRESD_PCIE_WAKE_B, .pcie_dis = SABRESD_PCIE_DIS_B, + .pcie_power_always_on = 1, }; static int __init early_enable_lcd_ldb(char *p) @@ -1977,13 +1953,6 @@ static void __init mx6_sabresd_board_init(void) gpio_direction_output(SABRESD_AUX_5V_EN, 1); gpio_set_value(SABRESD_AUX_5V_EN, 1); -#ifndef CONFIG_IMX_PCIE - /* enable pcie 3v3 power without pcie driver */ - pcie_3v3_power(); - mdelay(10); - pcie_3v3_reset(); -#endif - gps_power_on(true); /* Register charger chips */ platform_device_register(&sabresd_max8903_charger_1); |