diff options
Diffstat (limited to 'drivers/reset/sti/reset-stih415.c')
| -rw-r--r-- | drivers/reset/sti/reset-stih415.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/drivers/reset/sti/reset-stih415.c b/drivers/reset/sti/reset-stih415.c deleted file mode 100644 index 6f220cdbef46..000000000000 --- a/drivers/reset/sti/reset-stih415.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (C) 2013 STMicroelectronics (R&D) Limited - * Author: Stephen Gallimore <stephen.gallimore@st.com> - * Author: Srinivas Kandagatla <srinivas.kandagatla@st.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_platform.h> -#include <linux/platform_device.h> - -#include <dt-bindings/reset/stih415-resets.h> - -#include "reset-syscfg.h" - -/* - * STiH415 Peripheral powerdown definitions. - */ -static const char stih415_front[] = "st,stih415-front-syscfg"; -static const char stih415_rear[] = "st,stih415-rear-syscfg"; -static const char stih415_sbc[] = "st,stih415-sbc-syscfg"; -static const char stih415_lpm[] = "st,stih415-lpm-syscfg"; - -#define STIH415_PDN_FRONT(_bit) \ - _SYSCFG_RST_CH(stih415_front, SYSCFG_114, _bit, SYSSTAT_187, _bit) - -#define STIH415_PDN_REAR(_cntl, _stat) \ - _SYSCFG_RST_CH(stih415_rear, SYSCFG_336, _cntl, SYSSTAT_384, _stat) - -#define STIH415_SRST_REAR(_reg, _bit) \ - _SYSCFG_RST_CH_NO_ACK(stih415_rear, _reg, _bit) - -#define STIH415_SRST_SBC(_reg, _bit) \ - _SYSCFG_RST_CH_NO_ACK(stih415_sbc, _reg, _bit) - -#define STIH415_SRST_FRONT(_reg, _bit) \ - _SYSCFG_RST_CH_NO_ACK(stih415_front, _reg, _bit) - -#define STIH415_SRST_LPM(_reg, _bit) \ - _SYSCFG_RST_CH_NO_ACK(stih415_lpm, _reg, _bit) - -#define SYSCFG_114 0x38 /* Powerdown request EMI/NAND/Keyscan */ -#define SYSSTAT_187 0x15c /* Powerdown status EMI/NAND/Keyscan */ - -#define SYSCFG_336 0x90 /* Powerdown request USB/SATA/PCIe */ -#define SYSSTAT_384 0x150 /* Powerdown status USB/SATA/PCIe */ - -#define SYSCFG_376 0x130 /* Reset generator 0 control 0 */ -#define SYSCFG_166 0x108 /* Softreset Ethernet 0 */ -#define SYSCFG_31 0x7c /* Softreset Ethernet 1 */ -#define LPM_SYSCFG_1 0x4 /* Softreset IRB */ - -static const struct syscfg_reset_channel_data stih415_powerdowns[] = { - [STIH415_EMISS_POWERDOWN] = STIH415_PDN_FRONT(0), - [STIH415_NAND_POWERDOWN] = STIH415_PDN_FRONT(1), - [STIH415_KEYSCAN_POWERDOWN] = STIH415_PDN_FRONT(2), - [STIH415_USB0_POWERDOWN] = STIH415_PDN_REAR(0, 0), - [STIH415_USB1_POWERDOWN] = STIH415_PDN_REAR(1, 1), - [STIH415_USB2_POWERDOWN] = STIH415_PDN_REAR(2, 2), - [STIH415_SATA0_POWERDOWN] = STIH415_PDN_REAR(3, 3), - [STIH415_SATA1_POWERDOWN] = STIH415_PDN_REAR(4, 4), - [STIH415_PCIE_POWERDOWN] = STIH415_PDN_REAR(5, 8), -}; - -static const struct syscfg_reset_channel_data stih415_softresets[] = { - [STIH415_ETH0_SOFTRESET] = STIH415_SRST_FRONT(SYSCFG_166, 0), - [STIH415_ETH1_SOFTRESET] = STIH415_SRST_SBC(SYSCFG_31, 0), - [STIH415_IRB_SOFTRESET] = STIH415_SRST_LPM(LPM_SYSCFG_1, 6), - [STIH415_USB0_SOFTRESET] = STIH415_SRST_REAR(SYSCFG_376, 9), - [STIH415_USB1_SOFTRESET] = STIH415_SRST_REAR(SYSCFG_376, 10), - [STIH415_USB2_SOFTRESET] = STIH415_SRST_REAR(SYSCFG_376, 11), - [STIH415_KEYSCAN_SOFTRESET] = STIH415_SRST_LPM(LPM_SYSCFG_1, 8), -}; - -static struct syscfg_reset_controller_data stih415_powerdown_controller = { - .wait_for_ack = true, - .nr_channels = ARRAY_SIZE(stih415_powerdowns), - .channels = stih415_powerdowns, -}; - -static struct syscfg_reset_controller_data stih415_softreset_controller = { - .wait_for_ack = false, - .active_low = true, - .nr_channels = ARRAY_SIZE(stih415_softresets), - .channels = stih415_softresets, -}; - -static const struct of_device_id stih415_reset_match[] = { - { .compatible = "st,stih415-powerdown", - .data = &stih415_powerdown_controller, }, - { .compatible = "st,stih415-softreset", - .data = &stih415_softreset_controller, }, - {}, -}; - -static struct platform_driver stih415_reset_driver = { - .probe = syscfg_reset_probe, - .driver = { - .name = "reset-stih415", - .of_match_table = stih415_reset_match, - }, -}; - -static int __init stih415_reset_init(void) -{ - return platform_driver_register(&stih415_reset_driver); -} -arch_initcall(stih415_reset_init); |