diff options
Diffstat (limited to 'drivers/pinctrl/intel/pinctrl-denverton.c')
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-denverton.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-denverton.c b/drivers/pinctrl/intel/pinctrl-denverton.c new file mode 100644 index 000000000000..4500880240f2 --- /dev/null +++ b/drivers/pinctrl/intel/pinctrl-denverton.c @@ -0,0 +1,302 @@ +/* + * Intel Denverton SoC pinctrl/GPIO driver + * + * Copyright (C) 2017, Intel Corporation + * Author: Mika Westerberg <mika.westerberg@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/acpi.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/pinctrl/pinctrl.h> + +#include "pinctrl-intel.h" + +#define DNV_PAD_OWN 0x020 +#define DNV_HOSTSW_OWN 0x0C0 +#define DNV_PADCFGLOCK 0x090 +#define DNV_GPI_IE 0x120 + +#define DNV_GPP(n, s, e) \ + { \ + .reg_num = (n), \ + .base = (s), \ + .size = ((e) - (s) + 1), \ + } + +#define DNV_COMMUNITY(b, s, e, g) \ + { \ + .barno = (b), \ + .padown_offset = DNV_PAD_OWN, \ + .padcfglock_offset = DNV_PADCFGLOCK, \ + .hostown_offset = DNV_HOSTSW_OWN, \ + .ie_offset = DNV_GPI_IE, \ + .pin_base = (s), \ + .npins = ((e) - (s) + 1), \ + .gpps = (g), \ + .ngpps = ARRAY_SIZE(g), \ + } + +static const struct pinctrl_pin_desc dnv_pins[] = { + /* North ALL */ + PINCTRL_PIN(0, "GBE0_SDP0"), + PINCTRL_PIN(1, "GBE1_SDP0"), + PINCTRL_PIN(2, "GBE0_SDP1"), + PINCTRL_PIN(3, "GBE1_SDP1"), + PINCTRL_PIN(4, "GBE0_SDP2"), + PINCTRL_PIN(5, "GBE1_SDP2"), + PINCTRL_PIN(6, "GBE0_SDP3"), + PINCTRL_PIN(7, "GBE1_SDP3"), + PINCTRL_PIN(8, "GBE2_LED0"), + PINCTRL_PIN(9, "GBE2_LED1"), + PINCTRL_PIN(10, "GBE0_I2C_CLK"), + PINCTRL_PIN(11, "GBE0_I2C_DATA"), + PINCTRL_PIN(12, "GBE1_I2C_CLK"), + PINCTRL_PIN(13, "GBE1_I2C_DATA"), + PINCTRL_PIN(14, "NCSI_RXD0"), + PINCTRL_PIN(15, "NCSI_CLK_IN"), + PINCTRL_PIN(16, "NCSI_RXD1"), + PINCTRL_PIN(17, "NCSI_CRS_DV"), + PINCTRL_PIN(18, "NCSI_ARB_IN"), + PINCTRL_PIN(19, "NCSI_TX_EN"), + PINCTRL_PIN(20, "NCSI_TXD0"), + PINCTRL_PIN(21, "NCSI_TXD1"), + PINCTRL_PIN(22, "NCSI_ARB_OUT"), + PINCTRL_PIN(23, "GBE0_LED0"), + PINCTRL_PIN(24, "GBE0_LED1"), + PINCTRL_PIN(25, "GBE1_LED0"), + PINCTRL_PIN(26, "GBE1_LED1"), + PINCTRL_PIN(27, "GPIO_0"), + PINCTRL_PIN(28, "PCIE_CLKREQ0_N"), + PINCTRL_PIN(29, "PCIE_CLKREQ1_N"), + PINCTRL_PIN(30, "PCIE_CLKREQ2_N"), + PINCTRL_PIN(31, "PCIE_CLKREQ3_N"), + PINCTRL_PIN(32, "PCIE_CLKREQ4_N"), + PINCTRL_PIN(33, "GPIO_1"), + PINCTRL_PIN(34, "GPIO_2"), + PINCTRL_PIN(35, "SVID_ALERT_N"), + PINCTRL_PIN(36, "SVID_DATA"), + PINCTRL_PIN(37, "SVID_CLK"), + PINCTRL_PIN(38, "THERMTRIP_N"), + PINCTRL_PIN(39, "PROCHOT_N"), + PINCTRL_PIN(40, "MEMHOT_N"), + /* South DFX */ + PINCTRL_PIN(41, "DFX_PORT_CLK0"), + PINCTRL_PIN(42, "DFX_PORT_CLK1"), + PINCTRL_PIN(43, "DFX_PORT0"), + PINCTRL_PIN(44, "DFX_PORT1"), + PINCTRL_PIN(45, "DFX_PORT2"), + PINCTRL_PIN(46, "DFX_PORT3"), + PINCTRL_PIN(47, "DFX_PORT4"), + PINCTRL_PIN(48, "DFX_PORT5"), + PINCTRL_PIN(49, "DFX_PORT6"), + PINCTRL_PIN(50, "DFX_PORT7"), + PINCTRL_PIN(51, "DFX_PORT8"), + PINCTRL_PIN(52, "DFX_PORT9"), + PINCTRL_PIN(53, "DFX_PORT10"), + PINCTRL_PIN(54, "DFX_PORT11"), + PINCTRL_PIN(55, "DFX_PORT12"), + PINCTRL_PIN(56, "DFX_PORT13"), + PINCTRL_PIN(57, "DFX_PORT14"), + PINCTRL_PIN(58, "DFX_PORT15"), + /* South GPP0 */ + PINCTRL_PIN(59, "GPIO_12"), + PINCTRL_PIN(60, "SMB5_GBE_ALRT_N"), + PINCTRL_PIN(61, "PCIE_CLKREQ5_N"), + PINCTRL_PIN(62, "PCIE_CLKREQ6_N"), + PINCTRL_PIN(63, "PCIE_CLKREQ7_N"), + PINCTRL_PIN(64, "UART0_RXD"), + PINCTRL_PIN(65, "UART0_TXD"), + PINCTRL_PIN(66, "SMB5_GBE_CLK"), + PINCTRL_PIN(67, "SMB5_GBE_DATA"), + PINCTRL_PIN(68, "ERROR2_N"), + PINCTRL_PIN(69, "ERROR1_N"), + PINCTRL_PIN(70, "ERROR0_N"), + PINCTRL_PIN(71, "IERR_N"), + PINCTRL_PIN(72, "MCERR_N"), + PINCTRL_PIN(73, "SMB0_LEG_CLK"), + PINCTRL_PIN(74, "SMB0_LEG_DATA"), + PINCTRL_PIN(75, "SMB0_LEG_ALRT_N"), + PINCTRL_PIN(76, "SMB1_HOST_DATA"), + PINCTRL_PIN(77, "SMB1_HOST_CLK"), + PINCTRL_PIN(78, "SMB2_PECI_DATA"), + PINCTRL_PIN(79, "SMB2_PECI_CLK"), + PINCTRL_PIN(80, "SMB4_CSME0_DATA"), + PINCTRL_PIN(81, "SMB4_CSME0_CLK"), + PINCTRL_PIN(82, "SMB4_CSME0_ALRT_N"), + PINCTRL_PIN(83, "USB_OC0_N"), + PINCTRL_PIN(84, "FLEX_CLK_SE0"), + PINCTRL_PIN(85, "FLEX_CLK_SE1"), + PINCTRL_PIN(86, "GPIO_4"), + PINCTRL_PIN(87, "GPIO_5"), + PINCTRL_PIN(88, "GPIO_6"), + PINCTRL_PIN(89, "GPIO_7"), + PINCTRL_PIN(90, "SATA0_LED_N"), + PINCTRL_PIN(91, "SATA1_LED_N"), + PINCTRL_PIN(92, "SATA_PDETECT0"), + PINCTRL_PIN(93, "SATA_PDETECT1"), + PINCTRL_PIN(94, "SATA0_SDOUT"), + PINCTRL_PIN(95, "SATA1_SDOUT"), + PINCTRL_PIN(96, "UART1_RXD"), + PINCTRL_PIN(97, "UART1_TXD"), + PINCTRL_PIN(98, "GPIO_8"), + PINCTRL_PIN(99, "GPIO_9"), + PINCTRL_PIN(100, "TCK"), + PINCTRL_PIN(101, "TRST_N"), + PINCTRL_PIN(102, "TMS"), + PINCTRL_PIN(103, "TDI"), + PINCTRL_PIN(104, "TDO"), + PINCTRL_PIN(105, "CX_PRDY_N"), + PINCTRL_PIN(106, "CX_PREQ_N"), + PINCTRL_PIN(107, "CTBTRIGINOUT"), + PINCTRL_PIN(108, "CTBTRIGOUT"), + PINCTRL_PIN(109, "DFX_SPARE2"), + PINCTRL_PIN(110, "DFX_SPARE3"), + PINCTRL_PIN(111, "DFX_SPARE4"), + /* South GPP1 */ + PINCTRL_PIN(112, "SUSPWRDNACK"), + PINCTRL_PIN(113, "PMU_SUSCLK"), + PINCTRL_PIN(114, "ADR_TRIGGER"), + PINCTRL_PIN(115, "PMU_SLP_S45_N"), + PINCTRL_PIN(116, "PMU_SLP_S3_N"), + PINCTRL_PIN(117, "PMU_WAKE_N"), + PINCTRL_PIN(118, "PMU_PWRBTN_N"), + PINCTRL_PIN(119, "PMU_RESETBUTTON_N"), + PINCTRL_PIN(120, "PMU_PLTRST_N"), + PINCTRL_PIN(121, "SUS_STAT_N"), + PINCTRL_PIN(122, "SLP_S0IX_N"), + PINCTRL_PIN(123, "SPI_CS0_N"), + PINCTRL_PIN(124, "SPI_CS1_N"), + PINCTRL_PIN(125, "SPI_MOSI_IO0"), + PINCTRL_PIN(126, "SPI_MISO_IO1"), + PINCTRL_PIN(127, "SPI_IO2"), + PINCTRL_PIN(128, "SPI_IO3"), + PINCTRL_PIN(129, "SPI_CLK"), + PINCTRL_PIN(130, "SPI_CLK_LOOPBK"), + PINCTRL_PIN(131, "ESPI_IO0"), + PINCTRL_PIN(132, "ESPI_IO1"), + PINCTRL_PIN(133, "ESPI_IO2"), + PINCTRL_PIN(134, "ESPI_IO3"), + PINCTRL_PIN(135, "ESPI_CS0_N"), + PINCTRL_PIN(136, "ESPI_CLK"), + PINCTRL_PIN(137, "ESPI_RST_N"), + PINCTRL_PIN(138, "ESPI_ALRT0_N"), + PINCTRL_PIN(139, "GPIO_10"), + PINCTRL_PIN(140, "GPIO_11"), + PINCTRL_PIN(141, "ESPI_CLK_LOOPBK"), + PINCTRL_PIN(142, "EMMC_CMD"), + PINCTRL_PIN(143, "EMMC_STROBE"), + PINCTRL_PIN(144, "EMMC_CLK"), + PINCTRL_PIN(145, "EMMC_D0"), + PINCTRL_PIN(146, "EMMC_D1"), + PINCTRL_PIN(147, "EMMC_D2"), + PINCTRL_PIN(148, "EMMC_D3"), + PINCTRL_PIN(149, "EMMC_D4"), + PINCTRL_PIN(150, "EMMC_D5"), + PINCTRL_PIN(151, "EMMC_D6"), + PINCTRL_PIN(152, "EMMC_D7"), + PINCTRL_PIN(153, "GPIO_3"), +}; + +static const unsigned int dnv_uart0_pins[] = { 60, 61, 64, 65 }; +static const unsigned int dnv_uart0_modes[] = { 2, 3, 1, 1 }; +static const unsigned int dnv_uart1_pins[] = { 94, 95, 96, 97 }; +static const unsigned int dnv_uart2_pins[] = { 60, 61, 62, 63 }; +static const unsigned int dnv_uart2_modes[] = { 1, 1, 2, 2 }; +static const unsigned int dnv_emmc_pins[] = { + 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, +}; + +static const struct intel_pingroup dnv_groups[] = { + PIN_GROUP("uart0_grp", dnv_uart0_pins, dnv_uart0_modes), + PIN_GROUP("uart1_grp", dnv_uart1_pins, 1), + PIN_GROUP("uart2_grp", dnv_uart2_pins, dnv_uart2_modes), + PIN_GROUP("emmc_grp", dnv_emmc_pins, 1), +}; + +static const char * const dnv_uart0_groups[] = { "uart0_grp" }; +static const char * const dnv_uart1_groups[] = { "uart1_grp" }; +static const char * const dnv_uart2_groups[] = { "uart2_grp" }; +static const char * const dnv_emmc_groups[] = { "emmc_grp" }; + +static const struct intel_function dnv_functions[] = { + FUNCTION("uart0", dnv_uart0_groups), + FUNCTION("uart1", dnv_uart1_groups), + FUNCTION("uart2", dnv_uart2_groups), + FUNCTION("emmc", dnv_emmc_groups), +}; + +static const struct intel_padgroup dnv_north_gpps[] = { + DNV_GPP(0, 0, 31), /* North ALL_0 */ + DNV_GPP(1, 32, 40), /* North ALL_1 */ +}; + +static const struct intel_padgroup dnv_south_gpps[] = { + DNV_GPP(0, 41, 58), /* South DFX */ + DNV_GPP(1, 59, 90), /* South GPP0_0 */ + DNV_GPP(2, 91, 111), /* South GPP0_1 */ + DNV_GPP(3, 112, 143), /* South GPP1_0 */ + DNV_GPP(4, 144, 153), /* South GPP1_1 */ +}; + +static const struct intel_community dnv_communities[] = { + DNV_COMMUNITY(0, 0, 40, dnv_north_gpps), + DNV_COMMUNITY(1, 41, 153, dnv_south_gpps), +}; + +static const struct intel_pinctrl_soc_data dnv_soc_data = { + .pins = dnv_pins, + .npins = ARRAY_SIZE(dnv_pins), + .groups = dnv_groups, + .ngroups = ARRAY_SIZE(dnv_groups), + .functions = dnv_functions, + .nfunctions = ARRAY_SIZE(dnv_functions), + .communities = dnv_communities, + .ncommunities = ARRAY_SIZE(dnv_communities), +}; + +static int dnv_pinctrl_probe(struct platform_device *pdev) +{ + return intel_pinctrl_probe(pdev, &dnv_soc_data); +} + +static const struct dev_pm_ops dnv_pinctrl_pm_ops = { + SET_LATE_SYSTEM_SLEEP_PM_OPS(intel_pinctrl_suspend, + intel_pinctrl_resume) +}; + +static const struct acpi_device_id dnv_pinctrl_acpi_match[] = { + { "INTC3000" }, + { } +}; +MODULE_DEVICE_TABLE(acpi, dnv_pinctrl_acpi_match); + +static struct platform_driver dnv_pinctrl_driver = { + .probe = dnv_pinctrl_probe, + .driver = { + .name = "denverton-pinctrl", + .acpi_match_table = dnv_pinctrl_acpi_match, + .pm = &dnv_pinctrl_pm_ops, + }, +}; + +static int __init dnv_pinctrl_init(void) +{ + return platform_driver_register(&dnv_pinctrl_driver); +} +subsys_initcall(dnv_pinctrl_init); + +static void __exit dnv_pinctrl_exit(void) +{ + platform_driver_unregister(&dnv_pinctrl_driver); +} +module_exit(dnv_pinctrl_exit); + +MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>"); +MODULE_DESCRIPTION("Intel Denverton SoC pinctrl/GPIO driver"); +MODULE_LICENSE("GPL v2"); |