diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-xway.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-xway.c | 1554 |
1 files changed, 1554 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c new file mode 100644 index 0000000000..cf0383f575 --- /dev/null +++ b/drivers/pinctrl/pinctrl-xway.c @@ -0,0 +1,1554 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/drivers/pinctrl/pinmux-xway.c + * based on linux/drivers/pinctrl/pinmux-pxa910.c + * + * Copyright (C) 2012 John Crispin <john@phrozen.org> + * Copyright (C) 2015 Martin Schiller <mschiller@tdt.de> + */ + +#include <linux/err.h> +#include <linux/gpio/driver.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/of_platform.h> +#include <linux/of_address.h> +#include <linux/ioport.h> +#include <linux/io.h> +#include <linux/device.h> +#include <linux/platform_device.h> + +#include "pinctrl-lantiq.h" + +#include <lantiq_soc.h> + +/* we have up to 4 banks of 16 bit each */ +#define PINS 16 +#define PORT3 3 +#define PORT(x) (x / PINS) +#define PORT_PIN(x) (x % PINS) + +/* we have 2 mux bits that can be set for each pin */ +#define MUX_ALT0 0x1 +#define MUX_ALT1 0x2 + +/* + * each bank has this offset apart from the 4th bank that is mixed into the + * other 3 ranges + */ +#define REG_OFF 0x30 + +/* these are the offsets to our registers */ +#define GPIO_BASE(p) (REG_OFF * PORT(p)) +#define GPIO_OUT(p) GPIO_BASE(p) +#define GPIO_IN(p) (GPIO_BASE(p) + 0x04) +#define GPIO_DIR(p) (GPIO_BASE(p) + 0x08) +#define GPIO_ALT0(p) (GPIO_BASE(p) + 0x0C) +#define GPIO_ALT1(p) (GPIO_BASE(p) + 0x10) +#define GPIO_OD(p) (GPIO_BASE(p) + 0x14) +#define GPIO_PUDSEL(p) (GPIO_BASE(p) + 0x1c) +#define GPIO_PUDEN(p) (GPIO_BASE(p) + 0x20) + +/* the 4th port needs special offsets for some registers */ +#define GPIO3_OD (GPIO_BASE(0) + 0x24) +#define GPIO3_PUDSEL (GPIO_BASE(0) + 0x28) +#define GPIO3_PUDEN (GPIO_BASE(0) + 0x2C) +#define GPIO3_ALT1 (GPIO_BASE(PINS) + 0x24) + +/* macros to help us access the registers */ +#define gpio_getbit(m, r, p) (!!(ltq_r32(m + r) & BIT(p))) +#define gpio_setbit(m, r, p) ltq_w32_mask(0, BIT(p), m + r) +#define gpio_clearbit(m, r, p) ltq_w32_mask(BIT(p), 0, m + r) + +#define MFP_XWAY(a, f0, f1, f2, f3) \ + { \ + .name = #a, \ + .pin = a, \ + .func = { \ + XWAY_MUX_##f0, \ + XWAY_MUX_##f1, \ + XWAY_MUX_##f2, \ + XWAY_MUX_##f3, \ + }, \ + } + +#define GRP_MUX(a, m, p) \ + { .name = a, .mux = XWAY_MUX_##m, .pins = p, .npins = ARRAY_SIZE(p), } + +#define FUNC_MUX(f, m) \ + { .func = f, .mux = XWAY_MUX_##m, } + +enum xway_mux { + XWAY_MUX_GPIO = 0, + XWAY_MUX_SPI, + XWAY_MUX_ASC, + XWAY_MUX_USIF, + XWAY_MUX_PCI, + XWAY_MUX_CBUS, + XWAY_MUX_CGU, + XWAY_MUX_EBU, + XWAY_MUX_EBU2, + XWAY_MUX_JTAG, + XWAY_MUX_MCD, + XWAY_MUX_EXIN, + XWAY_MUX_TDM, + XWAY_MUX_STP, + XWAY_MUX_SIN, + XWAY_MUX_GPT, + XWAY_MUX_NMI, + XWAY_MUX_MDIO, + XWAY_MUX_MII, + XWAY_MUX_EPHY, + XWAY_MUX_DFE, + XWAY_MUX_SDIO, + XWAY_MUX_GPHY, + XWAY_MUX_SSI, + XWAY_MUX_WIFI, + XWAY_MUX_NONE = 0xffff, +}; + +/* --------- ase related code --------- */ +#define ASE_MAX_PIN 32 + +static const struct ltq_mfp_pin ase_mfp[] = { + /* pin f0 f1 f2 f3 */ + MFP_XWAY(GPIO0, GPIO, EXIN, MII, TDM), + MFP_XWAY(GPIO1, GPIO, STP, DFE, EBU), + MFP_XWAY(GPIO2, GPIO, STP, DFE, EPHY), + MFP_XWAY(GPIO3, GPIO, STP, EPHY, EBU), + MFP_XWAY(GPIO4, GPIO, GPT, EPHY, MII), + MFP_XWAY(GPIO5, GPIO, MII, ASC, GPT), + MFP_XWAY(GPIO6, GPIO, MII, ASC, EXIN), + MFP_XWAY(GPIO7, GPIO, SPI, MII, JTAG), + MFP_XWAY(GPIO8, GPIO, SPI, MII, JTAG), + MFP_XWAY(GPIO9, GPIO, SPI, MII, JTAG), + MFP_XWAY(GPIO10, GPIO, SPI, MII, JTAG), + MFP_XWAY(GPIO11, GPIO, EBU, CGU, JTAG), + MFP_XWAY(GPIO12, GPIO, EBU, MII, SDIO), + MFP_XWAY(GPIO13, GPIO, EBU, MII, CGU), + MFP_XWAY(GPIO14, GPIO, EBU, SPI, CGU), + MFP_XWAY(GPIO15, GPIO, EBU, SPI, SDIO), + MFP_XWAY(GPIO16, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO17, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO18, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO19, GPIO, EBU, MII, SDIO), + MFP_XWAY(GPIO20, GPIO, EBU, MII, SDIO), + MFP_XWAY(GPIO21, GPIO, EBU, MII, EBU2), + MFP_XWAY(GPIO22, GPIO, EBU, MII, CGU), + MFP_XWAY(GPIO23, GPIO, EBU, MII, CGU), + MFP_XWAY(GPIO24, GPIO, EBU, EBU2, MDIO), + MFP_XWAY(GPIO25, GPIO, EBU, MII, GPT), + MFP_XWAY(GPIO26, GPIO, EBU, MII, SDIO), + MFP_XWAY(GPIO27, GPIO, EBU, NONE, MDIO), + MFP_XWAY(GPIO28, GPIO, MII, EBU, SDIO), + MFP_XWAY(GPIO29, GPIO, EBU, MII, EXIN), + MFP_XWAY(GPIO30, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO31, GPIO, NONE, NONE, NONE), +}; + +static const unsigned ase_exin_pin_map[] = {GPIO6, GPIO29, GPIO0}; + +static const unsigned ase_pins_exin0[] = {GPIO6}; +static const unsigned ase_pins_exin1[] = {GPIO29}; +static const unsigned ase_pins_exin2[] = {GPIO0}; + +static const unsigned ase_pins_jtag[] = {GPIO7, GPIO8, GPIO9, GPIO10, GPIO11}; +static const unsigned ase_pins_asc[] = {GPIO5, GPIO6}; +static const unsigned ase_pins_stp[] = {GPIO1, GPIO2, GPIO3}; +static const unsigned ase_pins_mdio[] = {GPIO24, GPIO27}; +static const unsigned ase_pins_ephy_led0[] = {GPIO2}; +static const unsigned ase_pins_ephy_led1[] = {GPIO3}; +static const unsigned ase_pins_ephy_led2[] = {GPIO4}; +static const unsigned ase_pins_dfe_led0[] = {GPIO1}; +static const unsigned ase_pins_dfe_led1[] = {GPIO2}; + +static const unsigned ase_pins_spi[] = {GPIO8, GPIO9, GPIO10}; /* DEPRECATED */ +static const unsigned ase_pins_spi_di[] = {GPIO8}; +static const unsigned ase_pins_spi_do[] = {GPIO9}; +static const unsigned ase_pins_spi_clk[] = {GPIO10}; +static const unsigned ase_pins_spi_cs1[] = {GPIO7}; +static const unsigned ase_pins_spi_cs2[] = {GPIO15}; +static const unsigned ase_pins_spi_cs3[] = {GPIO14}; + +static const unsigned ase_pins_gpt1[] = {GPIO5}; +static const unsigned ase_pins_gpt2[] = {GPIO4}; +static const unsigned ase_pins_gpt3[] = {GPIO25}; + +static const unsigned ase_pins_clkout0[] = {GPIO23}; +static const unsigned ase_pins_clkout1[] = {GPIO22}; +static const unsigned ase_pins_clkout2[] = {GPIO14}; + +static const struct ltq_pin_group ase_grps[] = { + GRP_MUX("exin0", EXIN, ase_pins_exin0), + GRP_MUX("exin1", EXIN, ase_pins_exin1), + GRP_MUX("exin2", EXIN, ase_pins_exin2), + GRP_MUX("jtag", JTAG, ase_pins_jtag), + GRP_MUX("spi", SPI, ase_pins_spi), /* DEPRECATED */ + GRP_MUX("spi_di", SPI, ase_pins_spi_di), + GRP_MUX("spi_do", SPI, ase_pins_spi_do), + GRP_MUX("spi_clk", SPI, ase_pins_spi_clk), + GRP_MUX("spi_cs1", SPI, ase_pins_spi_cs1), + GRP_MUX("spi_cs2", SPI, ase_pins_spi_cs2), + GRP_MUX("spi_cs3", SPI, ase_pins_spi_cs3), + GRP_MUX("asc", ASC, ase_pins_asc), + GRP_MUX("stp", STP, ase_pins_stp), + GRP_MUX("gpt1", GPT, ase_pins_gpt1), + GRP_MUX("gpt2", GPT, ase_pins_gpt2), + GRP_MUX("gpt3", GPT, ase_pins_gpt3), + GRP_MUX("clkout0", CGU, ase_pins_clkout0), + GRP_MUX("clkout1", CGU, ase_pins_clkout1), + GRP_MUX("clkout2", CGU, ase_pins_clkout2), + GRP_MUX("mdio", MDIO, ase_pins_mdio), + GRP_MUX("dfe led0", DFE, ase_pins_dfe_led0), + GRP_MUX("dfe led1", DFE, ase_pins_dfe_led1), + GRP_MUX("ephy led0", EPHY, ase_pins_ephy_led0), + GRP_MUX("ephy led1", EPHY, ase_pins_ephy_led1), + GRP_MUX("ephy led2", EPHY, ase_pins_ephy_led2), +}; + +static const char * const ase_exin_grps[] = {"exin0", "exin1", "exin2"}; +static const char * const ase_gpt_grps[] = {"gpt1", "gpt2", "gpt3"}; +static const char * const ase_cgu_grps[] = {"clkout0", "clkout1", + "clkout2"}; +static const char * const ase_mdio_grps[] = {"mdio"}; +static const char * const ase_dfe_grps[] = {"dfe led0", "dfe led1"}; +static const char * const ase_ephy_grps[] = {"ephy led0", "ephy led1", + "ephy led2"}; +static const char * const ase_asc_grps[] = {"asc"}; +static const char * const ase_jtag_grps[] = {"jtag"}; +static const char * const ase_stp_grps[] = {"stp"}; +static const char * const ase_spi_grps[] = {"spi", /* DEPRECATED */ + "spi_di", "spi_do", + "spi_clk", "spi_cs1", + "spi_cs2", "spi_cs3"}; + +static const struct ltq_pmx_func ase_funcs[] = { + {"spi", ARRAY_AND_SIZE(ase_spi_grps)}, + {"asc", ARRAY_AND_SIZE(ase_asc_grps)}, + {"cgu", ARRAY_AND_SIZE(ase_cgu_grps)}, + {"jtag", ARRAY_AND_SIZE(ase_jtag_grps)}, + {"exin", ARRAY_AND_SIZE(ase_exin_grps)}, + {"stp", ARRAY_AND_SIZE(ase_stp_grps)}, + {"gpt", ARRAY_AND_SIZE(ase_gpt_grps)}, + {"mdio", ARRAY_AND_SIZE(ase_mdio_grps)}, + {"ephy", ARRAY_AND_SIZE(ase_ephy_grps)}, + {"dfe", ARRAY_AND_SIZE(ase_dfe_grps)}, +}; + +/* --------- danube related code --------- */ +#define DANUBE_MAX_PIN 32 + +static const struct ltq_mfp_pin danube_mfp[] = { + /* pin f0 f1 f2 f3 */ + MFP_XWAY(GPIO0, GPIO, EXIN, SDIO, TDM), + MFP_XWAY(GPIO1, GPIO, EXIN, CBUS, MII), + MFP_XWAY(GPIO2, GPIO, CGU, EXIN, MII), + MFP_XWAY(GPIO3, GPIO, CGU, SDIO, PCI), + MFP_XWAY(GPIO4, GPIO, STP, DFE, ASC), + MFP_XWAY(GPIO5, GPIO, STP, MII, DFE), + MFP_XWAY(GPIO6, GPIO, STP, GPT, ASC), + MFP_XWAY(GPIO7, GPIO, CGU, CBUS, MII), + MFP_XWAY(GPIO8, GPIO, CGU, NMI, MII), + MFP_XWAY(GPIO9, GPIO, ASC, SPI, MII), + MFP_XWAY(GPIO10, GPIO, ASC, SPI, MII), + MFP_XWAY(GPIO11, GPIO, ASC, CBUS, SPI), + MFP_XWAY(GPIO12, GPIO, ASC, CBUS, MCD), + MFP_XWAY(GPIO13, GPIO, EBU, SPI, MII), + MFP_XWAY(GPIO14, GPIO, CGU, CBUS, MII), + MFP_XWAY(GPIO15, GPIO, SPI, SDIO, JTAG), + MFP_XWAY(GPIO16, GPIO, SPI, SDIO, JTAG), + MFP_XWAY(GPIO17, GPIO, SPI, SDIO, JTAG), + MFP_XWAY(GPIO18, GPIO, SPI, SDIO, JTAG), + MFP_XWAY(GPIO19, GPIO, PCI, SDIO, MII), + MFP_XWAY(GPIO20, GPIO, JTAG, SDIO, MII), + MFP_XWAY(GPIO21, GPIO, PCI, EBU, GPT), + MFP_XWAY(GPIO22, GPIO, SPI, MCD, MII), + MFP_XWAY(GPIO23, GPIO, EBU, PCI, STP), + MFP_XWAY(GPIO24, GPIO, EBU, TDM, PCI), + MFP_XWAY(GPIO25, GPIO, TDM, SDIO, ASC), + MFP_XWAY(GPIO26, GPIO, EBU, TDM, SDIO), + MFP_XWAY(GPIO27, GPIO, TDM, SDIO, ASC), + MFP_XWAY(GPIO28, GPIO, GPT, MII, SDIO), + MFP_XWAY(GPIO29, GPIO, PCI, CBUS, MII), + MFP_XWAY(GPIO30, GPIO, PCI, CBUS, MII), + MFP_XWAY(GPIO31, GPIO, EBU, PCI, MII), +}; + +static const unsigned danube_exin_pin_map[] = {GPIO0, GPIO1, GPIO2}; + +static const unsigned danube_pins_exin0[] = {GPIO0}; +static const unsigned danube_pins_exin1[] = {GPIO1}; +static const unsigned danube_pins_exin2[] = {GPIO2}; + +static const unsigned danube_pins_jtag[] = {GPIO15, GPIO16, GPIO17, GPIO18, GPIO20}; +static const unsigned danube_pins_asc0[] = {GPIO11, GPIO12}; +static const unsigned danube_pins_asc0_cts_rts[] = {GPIO9, GPIO10}; +static const unsigned danube_pins_stp[] = {GPIO4, GPIO5, GPIO6}; +static const unsigned danube_pins_nmi[] = {GPIO8}; + +static const unsigned danube_pins_dfe_led0[] = {GPIO4}; +static const unsigned danube_pins_dfe_led1[] = {GPIO5}; + +static const unsigned danube_pins_ebu_a24[] = {GPIO13}; +static const unsigned danube_pins_ebu_clk[] = {GPIO21}; +static const unsigned danube_pins_ebu_cs1[] = {GPIO23}; +static const unsigned danube_pins_ebu_a23[] = {GPIO24}; +static const unsigned danube_pins_ebu_wait[] = {GPIO26}; +static const unsigned danube_pins_ebu_a25[] = {GPIO31}; + +static const unsigned danube_pins_nand_ale[] = {GPIO13}; +static const unsigned danube_pins_nand_cs1[] = {GPIO23}; +static const unsigned danube_pins_nand_cle[] = {GPIO24}; + +static const unsigned danube_pins_spi[] = {GPIO16, GPIO17, GPIO18}; /* DEPRECATED */ +static const unsigned danube_pins_spi_di[] = {GPIO16}; +static const unsigned danube_pins_spi_do[] = {GPIO17}; +static const unsigned danube_pins_spi_clk[] = {GPIO18}; +static const unsigned danube_pins_spi_cs1[] = {GPIO15}; +static const unsigned danube_pins_spi_cs2[] = {GPIO21}; +static const unsigned danube_pins_spi_cs3[] = {GPIO13}; +static const unsigned danube_pins_spi_cs4[] = {GPIO10}; +static const unsigned danube_pins_spi_cs5[] = {GPIO9}; +static const unsigned danube_pins_spi_cs6[] = {GPIO11}; + +static const unsigned danube_pins_gpt1[] = {GPIO28}; +static const unsigned danube_pins_gpt2[] = {GPIO21}; +static const unsigned danube_pins_gpt3[] = {GPIO6}; + +static const unsigned danube_pins_clkout0[] = {GPIO8}; +static const unsigned danube_pins_clkout1[] = {GPIO7}; +static const unsigned danube_pins_clkout2[] = {GPIO3}; +static const unsigned danube_pins_clkout3[] = {GPIO2}; + +static const unsigned danube_pins_pci_gnt1[] = {GPIO30}; +static const unsigned danube_pins_pci_gnt2[] = {GPIO23}; +static const unsigned danube_pins_pci_gnt3[] = {GPIO19}; +static const unsigned danube_pins_pci_req1[] = {GPIO29}; +static const unsigned danube_pins_pci_req2[] = {GPIO31}; +static const unsigned danube_pins_pci_req3[] = {GPIO3}; + +static const struct ltq_pin_group danube_grps[] = { + GRP_MUX("exin0", EXIN, danube_pins_exin0), + GRP_MUX("exin1", EXIN, danube_pins_exin1), + GRP_MUX("exin2", EXIN, danube_pins_exin2), + GRP_MUX("jtag", JTAG, danube_pins_jtag), + GRP_MUX("ebu a23", EBU, danube_pins_ebu_a23), + GRP_MUX("ebu a24", EBU, danube_pins_ebu_a24), + GRP_MUX("ebu a25", EBU, danube_pins_ebu_a25), + GRP_MUX("ebu clk", EBU, danube_pins_ebu_clk), + GRP_MUX("ebu cs1", EBU, danube_pins_ebu_cs1), + GRP_MUX("ebu wait", EBU, danube_pins_ebu_wait), + GRP_MUX("nand ale", EBU, danube_pins_nand_ale), + GRP_MUX("nand cs1", EBU, danube_pins_nand_cs1), + GRP_MUX("nand cle", EBU, danube_pins_nand_cle), + GRP_MUX("spi", SPI, danube_pins_spi), /* DEPRECATED */ + GRP_MUX("spi_di", SPI, danube_pins_spi_di), + GRP_MUX("spi_do", SPI, danube_pins_spi_do), + GRP_MUX("spi_clk", SPI, danube_pins_spi_clk), + GRP_MUX("spi_cs1", SPI, danube_pins_spi_cs1), + GRP_MUX("spi_cs2", SPI, danube_pins_spi_cs2), + GRP_MUX("spi_cs3", SPI, danube_pins_spi_cs3), + GRP_MUX("spi_cs4", SPI, danube_pins_spi_cs4), + GRP_MUX("spi_cs5", SPI, danube_pins_spi_cs5), + GRP_MUX("spi_cs6", SPI, danube_pins_spi_cs6), + GRP_MUX("asc0", ASC, danube_pins_asc0), + GRP_MUX("asc0 cts rts", ASC, danube_pins_asc0_cts_rts), + GRP_MUX("stp", STP, danube_pins_stp), + GRP_MUX("nmi", NMI, danube_pins_nmi), + GRP_MUX("gpt1", GPT, danube_pins_gpt1), + GRP_MUX("gpt2", GPT, danube_pins_gpt2), + GRP_MUX("gpt3", GPT, danube_pins_gpt3), + GRP_MUX("clkout0", CGU, danube_pins_clkout0), + GRP_MUX("clkout1", CGU, danube_pins_clkout1), + GRP_MUX("clkout2", CGU, danube_pins_clkout2), + GRP_MUX("clkout3", CGU, danube_pins_clkout3), + GRP_MUX("gnt1", PCI, danube_pins_pci_gnt1), + GRP_MUX("gnt2", PCI, danube_pins_pci_gnt2), + GRP_MUX("gnt3", PCI, danube_pins_pci_gnt3), + GRP_MUX("req1", PCI, danube_pins_pci_req1), + GRP_MUX("req2", PCI, danube_pins_pci_req2), + GRP_MUX("req3", PCI, danube_pins_pci_req3), + GRP_MUX("dfe led0", DFE, danube_pins_dfe_led0), + GRP_MUX("dfe led1", DFE, danube_pins_dfe_led1), +}; + +static const char * const danube_pci_grps[] = {"gnt1", "gnt2", + "gnt3", "req1", + "req2", "req3"}; +static const char * const danube_spi_grps[] = {"spi", /* DEPRECATED */ + "spi_di", "spi_do", + "spi_clk", "spi_cs1", + "spi_cs2", "spi_cs3", + "spi_cs4", "spi_cs5", + "spi_cs6"}; +static const char * const danube_cgu_grps[] = {"clkout0", "clkout1", + "clkout2", "clkout3"}; +static const char * const danube_ebu_grps[] = {"ebu a23", "ebu a24", + "ebu a25", "ebu cs1", + "ebu wait", "ebu clk", + "nand ale", "nand cs1", + "nand cle"}; +static const char * const danube_dfe_grps[] = {"dfe led0", "dfe led1"}; +static const char * const danube_exin_grps[] = {"exin0", "exin1", "exin2"}; +static const char * const danube_gpt_grps[] = {"gpt1", "gpt2", "gpt3"}; +static const char * const danube_asc_grps[] = {"asc0", "asc0 cts rts"}; +static const char * const danube_jtag_grps[] = {"jtag"}; +static const char * const danube_stp_grps[] = {"stp"}; +static const char * const danube_nmi_grps[] = {"nmi"}; + +static const struct ltq_pmx_func danube_funcs[] = { + {"spi", ARRAY_AND_SIZE(danube_spi_grps)}, + {"asc", ARRAY_AND_SIZE(danube_asc_grps)}, + {"cgu", ARRAY_AND_SIZE(danube_cgu_grps)}, + {"jtag", ARRAY_AND_SIZE(danube_jtag_grps)}, + {"exin", ARRAY_AND_SIZE(danube_exin_grps)}, + {"stp", ARRAY_AND_SIZE(danube_stp_grps)}, + {"gpt", ARRAY_AND_SIZE(danube_gpt_grps)}, + {"nmi", ARRAY_AND_SIZE(danube_nmi_grps)}, + {"pci", ARRAY_AND_SIZE(danube_pci_grps)}, + {"ebu", ARRAY_AND_SIZE(danube_ebu_grps)}, + {"dfe", ARRAY_AND_SIZE(danube_dfe_grps)}, +}; + +/* --------- xrx100 related code --------- */ +#define XRX100_MAX_PIN 56 + +static const struct ltq_mfp_pin xrx100_mfp[] = { + /* pin f0 f1 f2 f3 */ + MFP_XWAY(GPIO0, GPIO, EXIN, SDIO, TDM), + MFP_XWAY(GPIO1, GPIO, EXIN, CBUS, SIN), + MFP_XWAY(GPIO2, GPIO, CGU, EXIN, NONE), + MFP_XWAY(GPIO3, GPIO, CGU, SDIO, PCI), + MFP_XWAY(GPIO4, GPIO, STP, DFE, ASC), + MFP_XWAY(GPIO5, GPIO, STP, NONE, DFE), + MFP_XWAY(GPIO6, GPIO, STP, GPT, ASC), + MFP_XWAY(GPIO7, GPIO, CGU, CBUS, NONE), + MFP_XWAY(GPIO8, GPIO, CGU, NMI, NONE), + MFP_XWAY(GPIO9, GPIO, ASC, SPI, EXIN), + MFP_XWAY(GPIO10, GPIO, ASC, SPI, EXIN), + MFP_XWAY(GPIO11, GPIO, ASC, CBUS, SPI), + MFP_XWAY(GPIO12, GPIO, ASC, CBUS, MCD), + MFP_XWAY(GPIO13, GPIO, EBU, SPI, NONE), + MFP_XWAY(GPIO14, GPIO, CGU, NONE, NONE), + MFP_XWAY(GPIO15, GPIO, SPI, SDIO, MCD), + MFP_XWAY(GPIO16, GPIO, SPI, SDIO, NONE), + MFP_XWAY(GPIO17, GPIO, SPI, SDIO, NONE), + MFP_XWAY(GPIO18, GPIO, SPI, SDIO, NONE), + MFP_XWAY(GPIO19, GPIO, PCI, SDIO, CGU), + MFP_XWAY(GPIO20, GPIO, NONE, SDIO, EBU), + MFP_XWAY(GPIO21, GPIO, PCI, EBU, GPT), + MFP_XWAY(GPIO22, GPIO, SPI, NONE, EBU), + MFP_XWAY(GPIO23, GPIO, EBU, PCI, STP), + MFP_XWAY(GPIO24, GPIO, EBU, TDM, PCI), + MFP_XWAY(GPIO25, GPIO, TDM, SDIO, ASC), + MFP_XWAY(GPIO26, GPIO, EBU, TDM, SDIO), + MFP_XWAY(GPIO27, GPIO, TDM, SDIO, ASC), + MFP_XWAY(GPIO28, GPIO, GPT, NONE, SDIO), + MFP_XWAY(GPIO29, GPIO, PCI, CBUS, NONE), + MFP_XWAY(GPIO30, GPIO, PCI, CBUS, NONE), + MFP_XWAY(GPIO31, GPIO, EBU, PCI, NONE), + MFP_XWAY(GPIO32, GPIO, MII, NONE, EBU), + MFP_XWAY(GPIO33, GPIO, MII, NONE, EBU), + MFP_XWAY(GPIO34, GPIO, SIN, SSI, NONE), + MFP_XWAY(GPIO35, GPIO, SIN, SSI, NONE), + MFP_XWAY(GPIO36, GPIO, SIN, SSI, NONE), + MFP_XWAY(GPIO37, GPIO, PCI, NONE, NONE), + MFP_XWAY(GPIO38, GPIO, PCI, NONE, NONE), + MFP_XWAY(GPIO39, GPIO, NONE, EXIN, NONE), + MFP_XWAY(GPIO40, GPIO, MII, TDM, NONE), + MFP_XWAY(GPIO41, GPIO, MII, TDM, NONE), + MFP_XWAY(GPIO42, GPIO, MDIO, NONE, NONE), + MFP_XWAY(GPIO43, GPIO, MDIO, NONE, NONE), + MFP_XWAY(GPIO44, GPIO, MII, SIN, NONE), + MFP_XWAY(GPIO45, GPIO, MII, NONE, SIN), + MFP_XWAY(GPIO46, GPIO, MII, NONE, EXIN), + MFP_XWAY(GPIO47, GPIO, MII, NONE, SIN), + MFP_XWAY(GPIO48, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO49, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO50, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO51, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO52, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO53, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO54, GPIO, NONE, NONE, NONE), + MFP_XWAY(GPIO55, GPIO, NONE, NONE, NONE), +}; + +static const unsigned xrx100_exin_pin_map[] = {GPIO0, GPIO1, GPIO2, GPIO39, GPIO10, GPIO9}; + +static const unsigned xrx100_pins_exin0[] = {GPIO0}; +static const unsigned xrx100_pins_exin1[] = {GPIO1}; +static const unsigned xrx100_pins_exin2[] = {GPIO2}; +static const unsigned xrx100_pins_exin3[] = {GPIO39}; +static const unsigned xrx100_pins_exin4[] = {GPIO10}; +static const unsigned xrx100_pins_exin5[] = {GPIO9}; + +static const unsigned xrx100_pins_asc0[] = {GPIO11, GPIO12}; +static const unsigned xrx100_pins_asc0_cts_rts[] = {GPIO9, GPIO10}; +static const unsigned xrx100_pins_stp[] = {GPIO4, GPIO5, GPIO6}; +static const unsigned xrx100_pins_nmi[] = {GPIO8}; +static const unsigned xrx100_pins_mdio[] = {GPIO42, GPIO43}; + +static const unsigned xrx100_pins_dfe_led0[] = {GPIO4}; +static const unsigned xrx100_pins_dfe_led1[] = {GPIO5}; + +static const unsigned xrx100_pins_ebu_a24[] = {GPIO13}; +static const unsigned xrx100_pins_ebu_clk[] = {GPIO21}; +static const unsigned xrx100_pins_ebu_cs1[] = {GPIO23}; +static const unsigned xrx100_pins_ebu_a23[] = {GPIO24}; +static const unsigned xrx100_pins_ebu_wait[] = {GPIO26}; +static const unsigned xrx100_pins_ebu_a25[] = {GPIO31}; + +static const unsigned xrx100_pins_nand_ale[] = {GPIO13}; +static const unsigned xrx100_pins_nand_cs1[] = {GPIO23}; +static const unsigned xrx100_pins_nand_cle[] = {GPIO24}; +static const unsigned xrx100_pins_nand_rdy[] = {GPIO48}; +static const unsigned xrx100_pins_nand_rd[] = {GPIO49}; + +static const unsigned xrx100_pins_spi_di[] = {GPIO16}; +static const unsigned xrx100_pins_spi_do[] = {GPIO17}; +static const unsigned xrx100_pins_spi_clk[] = {GPIO18}; +static const unsigned xrx100_pins_spi_cs1[] = {GPIO15}; +static const unsigned xrx100_pins_spi_cs2[] = {GPIO22}; +static const unsigned xrx100_pins_spi_cs3[] = {GPIO13}; +static const unsigned xrx100_pins_spi_cs4[] = {GPIO10}; +static const unsigned xrx100_pins_spi_cs5[] = {GPIO9}; +static const unsigned xrx100_pins_spi_cs6[] = {GPIO11}; + +static const unsigned xrx100_pins_gpt1[] = {GPIO28}; +static const unsigned xrx100_pins_gpt2[] = {GPIO21}; +static const unsigned xrx100_pins_gpt3[] = {GPIO6}; + +static const unsigned xrx100_pins_clkout0[] = {GPIO8}; +static const unsigned xrx100_pins_clkout1[] = {GPIO7}; +static const unsigned xrx100_pins_clkout2[] = {GPIO3}; +static const unsigned xrx100_pins_clkout3[] = {GPIO2}; + +static const unsigned xrx100_pins_pci_gnt1[] = {GPIO30}; +static const unsigned xrx100_pins_pci_gnt2[] = {GPIO23}; +static const unsigned xrx100_pins_pci_gnt3[] = {GPIO19}; +static const unsigned xrx100_pins_pci_gnt4[] = {GPIO38}; +static const unsigned xrx100_pins_pci_req1[] = {GPIO29}; +static const unsigned xrx100_pins_pci_req2[] = {GPIO31}; +static const unsigned xrx100_pins_pci_req3[] = {GPIO3}; +static const unsigned xrx100_pins_pci_req4[] = {GPIO37}; + +static const struct ltq_pin_group xrx100_grps[] = { + GRP_MUX("exin0", EXIN, xrx100_pins_exin0), + GRP_MUX("exin1", EXIN, xrx100_pins_exin1), + GRP_MUX("exin2", EXIN, xrx100_pins_exin2), + GRP_MUX("exin3", EXIN, xrx100_pins_exin3), + GRP_MUX("exin4", EXIN, xrx100_pins_exin4), + GRP_MUX("exin5", EXIN, xrx100_pins_exin5), + GRP_MUX("ebu a23", EBU, xrx100_pins_ebu_a23), + GRP_MUX("ebu a24", EBU, xrx100_pins_ebu_a24), + GRP_MUX("ebu a25", EBU, xrx100_pins_ebu_a25), + GRP_MUX("ebu clk", EBU, xrx100_pins_ebu_clk), + GRP_MUX("ebu cs1", EBU, xrx100_pins_ebu_cs1), + GRP_MUX("ebu wait", EBU, xrx100_pins_ebu_wait), + GRP_MUX("nand ale", EBU, xrx100_pins_nand_ale), + GRP_MUX("nand cs1", EBU, xrx100_pins_nand_cs1), + GRP_MUX("nand cle", EBU, xrx100_pins_nand_cle), + GRP_MUX("nand rdy", EBU, xrx100_pins_nand_rdy), + GRP_MUX("nand rd", EBU, xrx100_pins_nand_rd), + GRP_MUX("spi_di", SPI, xrx100_pins_spi_di), + GRP_MUX("spi_do", SPI, xrx100_pins_spi_do), + GRP_MUX("spi_clk", SPI, xrx100_pins_spi_clk), + GRP_MUX("spi_cs1", SPI, xrx100_pins_spi_cs1), + GRP_MUX("spi_cs2", SPI, xrx100_pins_spi_cs2), + GRP_MUX("spi_cs3", SPI, xrx100_pins_spi_cs3), + GRP_MUX("spi_cs4", SPI, xrx100_pins_spi_cs4), + GRP_MUX("spi_cs5", SPI, xrx100_pins_spi_cs5), + GRP_MUX("spi_cs6", SPI, xrx100_pins_spi_cs6), + GRP_MUX("asc0", ASC, xrx100_pins_asc0), + GRP_MUX("asc0 cts rts", ASC, xrx100_pins_asc0_cts_rts), + GRP_MUX("stp", STP, xrx100_pins_stp), + GRP_MUX("nmi", NMI, xrx100_pins_nmi), + GRP_MUX("gpt1", GPT, xrx100_pins_gpt1), + GRP_MUX("gpt2", GPT, xrx100_pins_gpt2), + GRP_MUX("gpt3", GPT, xrx100_pins_gpt3), + GRP_MUX("clkout0", CGU, xrx100_pins_clkout0), + GRP_MUX("clkout1", CGU, xrx100_pins_clkout1), + GRP_MUX("clkout2", CGU, xrx100_pins_clkout2), + GRP_MUX("clkout3", CGU, xrx100_pins_clkout3), + GRP_MUX("gnt1", PCI, xrx100_pins_pci_gnt1), + GRP_MUX("gnt2", PCI, xrx100_pins_pci_gnt2), + GRP_MUX("gnt3", PCI, xrx100_pins_pci_gnt3), + GRP_MUX("gnt4", PCI, xrx100_pins_pci_gnt4), + GRP_MUX("req1", PCI, xrx100_pins_pci_req1), + GRP_MUX("req2", PCI, xrx100_pins_pci_req2), + GRP_MUX("req3", PCI, xrx100_pins_pci_req3), + GRP_MUX("req4", PCI, xrx100_pins_pci_req4), + GRP_MUX("mdio", MDIO, xrx100_pins_mdio), + GRP_MUX("dfe led0", DFE, xrx100_pins_dfe_led0), + GRP_MUX("dfe led1", DFE, xrx100_pins_dfe_led1), +}; + +static const char * const xrx100_pci_grps[] = {"gnt1", "gnt2", + "gnt3", "gnt4", + "req1", "req2", + "req3", "req4"}; +static const char * const xrx100_spi_grps[] = {"spi_di", "spi_do", + "spi_clk", "spi_cs1", + "spi_cs2", "spi_cs3", + "spi_cs4", "spi_cs5", + "spi_cs6"}; +static const char * const xrx100_cgu_grps[] = {"clkout0", "clkout1", + "clkout2", "clkout3"}; +static const char * const xrx100_ebu_grps[] = {"ebu a23", "ebu a24", + "ebu a25", "ebu cs1", + "ebu wait", "ebu clk", + "nand ale", "nand cs1", + "nand cle", "nand rdy", + "nand rd"}; +static const char * const xrx100_exin_grps[] = {"exin0", "exin1", "exin2", + "exin3", "exin4", "exin5"}; +static const char * const xrx100_gpt_grps[] = {"gpt1", "gpt2", "gpt3"}; +static const char * const xrx100_asc_grps[] = {"asc0", "asc0 cts rts"}; +static const char * const xrx100_stp_grps[] = {"stp"}; +static const char * const xrx100_nmi_grps[] = {"nmi"}; +static const char * const xrx100_mdio_grps[] = {"mdio"}; +static const char * const xrx100_dfe_grps[] = {"dfe led0", "dfe led1"}; + +static const struct ltq_pmx_func xrx100_funcs[] = { + {"spi", ARRAY_AND_SIZE(xrx100_spi_grps)}, + {"asc", ARRAY_AND_SIZE(xrx100_asc_grps)}, + {"cgu", ARRAY_AND_SIZE(xrx100_cgu_grps)}, + {"exin", ARRAY_AND_SIZE(xrx100_exin_grps)}, + {"stp", ARRAY_AND_SIZE(xrx100_stp_grps)}, + {"gpt", ARRAY_AND_SIZE(xrx100_gpt_grps)}, + {"nmi", ARRAY_AND_SIZE(xrx100_nmi_grps)}, + {"pci", ARRAY_AND_SIZE(xrx100_pci_grps)}, + {"ebu", ARRAY_AND_SIZE(xrx100_ebu_grps)}, + {"mdio", ARRAY_AND_SIZE(xrx100_mdio_grps)}, + {"dfe", ARRAY_AND_SIZE(xrx100_dfe_grps)}, +}; + +/* --------- xrx200 related code --------- */ +#define XRX200_MAX_PIN 50 + +static const struct ltq_mfp_pin xrx200_mfp[] = { + /* pin f0 f1 f2 f3 */ + MFP_XWAY(GPIO0, GPIO, EXIN, SDIO, TDM), + MFP_XWAY(GPIO1, GPIO, EXIN, CBUS, SIN), + MFP_XWAY(GPIO2, GPIO, CGU, EXIN, GPHY), + MFP_XWAY(GPIO3, GPIO, CGU, SDIO, PCI), + MFP_XWAY(GPIO4, GPIO, STP, DFE, USIF), + MFP_XWAY(GPIO5, GPIO, STP, GPHY, DFE), + MFP_XWAY(GPIO6, GPIO, STP, GPT, USIF), + MFP_XWAY(GPIO7, GPIO, CGU, CBUS, GPHY), + MFP_XWAY(GPIO8, GPIO, CGU, NMI, NONE), + MFP_XWAY(GPIO9, GPIO, USIF, SPI, EXIN), + MFP_XWAY(GPIO10, GPIO, USIF, SPI, EXIN), + MFP_XWAY(GPIO11, GPIO, USIF, CBUS, SPI), + MFP_XWAY(GPIO12, GPIO, USIF, CBUS, MCD), + MFP_XWAY(GPIO13, GPIO, EBU, SPI, NONE), + MFP_XWAY(GPIO14, GPIO, CGU, CBUS, USIF), + MFP_XWAY(GPIO15, GPIO, SPI, SDIO, MCD), + MFP_XWAY(GPIO16, GPIO, SPI, SDIO, NONE), + MFP_XWAY(GPIO17, GPIO, SPI, SDIO, NONE), + MFP_XWAY(GPIO18, GPIO, SPI, SDIO, NONE), + MFP_XWAY(GPIO19, GPIO, PCI, SDIO, CGU), + MFP_XWAY(GPIO20, GPIO, NONE, SDIO, EBU), + MFP_XWAY(GPIO21, GPIO, PCI, EBU, GPT), + MFP_XWAY(GPIO22, GPIO, SPI, CGU, EBU), + MFP_XWAY(GPIO23, GPIO, EBU, PCI, STP), + MFP_XWAY(GPIO24, GPIO, EBU, TDM, PCI), + MFP_XWAY(GPIO25, GPIO, TDM, SDIO, USIF), + MFP_XWAY(GPIO26, GPIO, EBU, TDM, SDIO), + MFP_XWAY(GPIO27, GPIO, TDM, SDIO, USIF), + MFP_XWAY(GPIO28, GPIO, GPT, PCI, SDIO), + MFP_XWAY(GPIO29, GPIO, PCI, CBUS, EXIN), + MFP_XWAY(GPIO30, GPIO, PCI, CBUS, NONE), + MFP_XWAY(GPIO31, GPIO, EBU, PCI, NONE), + MFP_XWAY(GPIO32, GPIO, MII, NONE, EBU), + MFP_XWAY(GPIO33, GPIO, MII, NONE, EBU), + MFP_XWAY(GPIO34, GPIO, SIN, SSI, NONE), + MFP_XWAY(GPIO35, GPIO, SIN, SSI, NONE), + MFP_XWAY(GPIO36, GPIO, SIN, SSI, EXIN), + MFP_XWAY(GPIO37, GPIO, USIF, NONE, PCI), + MFP_XWAY(GPIO38, GPIO, PCI, USIF, NONE), + MFP_XWAY(GPIO39, GPIO, USIF, EXIN, NONE), + MFP_XWAY(GPIO40, GPIO, MII, TDM, NONE), + MFP_XWAY(GPIO41, GPIO, MII, TDM, NONE), + MFP_XWAY(GPIO42, GPIO, MDIO, NONE, NONE), + MFP_XWAY(GPIO43, GPIO, MDIO, NONE, NONE), + MFP_XWAY(GPIO44, GPIO, MII, SIN, GPHY), + MFP_XWAY(GPIO45, GPIO, MII, GPHY, SIN), + MFP_XWAY(GPIO46, GPIO, MII, NONE, EXIN), + MFP_XWAY(GPIO47, GPIO, MII, GPHY, SIN), + MFP_XWAY(GPIO48, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO49, GPIO, EBU, NONE, NONE), +}; + +static const unsigned xrx200_exin_pin_map[] = {GPIO0, GPIO1, GPIO2, GPIO39, GPIO10, GPIO9}; + +static const unsigned xrx200_pins_exin0[] = {GPIO0}; +static const unsigned xrx200_pins_exin1[] = {GPIO1}; +static const unsigned xrx200_pins_exin2[] = {GPIO2}; +static const unsigned xrx200_pins_exin3[] = {GPIO39}; +static const unsigned xrx200_pins_exin4[] = {GPIO10}; +static const unsigned xrx200_pins_exin5[] = {GPIO9}; + +static const unsigned xrx200_pins_usif_uart_rx[] = {GPIO11}; +static const unsigned xrx200_pins_usif_uart_tx[] = {GPIO12}; +static const unsigned xrx200_pins_usif_uart_rts[] = {GPIO9}; +static const unsigned xrx200_pins_usif_uart_cts[] = {GPIO10}; +static const unsigned xrx200_pins_usif_uart_dtr[] = {GPIO4}; +static const unsigned xrx200_pins_usif_uart_dsr[] = {GPIO6}; +static const unsigned xrx200_pins_usif_uart_dcd[] = {GPIO25}; +static const unsigned xrx200_pins_usif_uart_ri[] = {GPIO27}; + +static const unsigned xrx200_pins_usif_spi_di[] = {GPIO11}; +static const unsigned xrx200_pins_usif_spi_do[] = {GPIO12}; +static const unsigned xrx200_pins_usif_spi_clk[] = {GPIO38}; +static const unsigned xrx200_pins_usif_spi_cs0[] = {GPIO37}; +static const unsigned xrx200_pins_usif_spi_cs1[] = {GPIO39}; +static const unsigned xrx200_pins_usif_spi_cs2[] = {GPIO14}; + +static const unsigned xrx200_pins_stp[] = {GPIO4, GPIO5, GPIO6}; +static const unsigned xrx200_pins_nmi[] = {GPIO8}; +static const unsigned xrx200_pins_mdio[] = {GPIO42, GPIO43}; + +static const unsigned xrx200_pins_dfe_led0[] = {GPIO4}; +static const unsigned xrx200_pins_dfe_led1[] = {GPIO5}; + +static const unsigned xrx200_pins_gphy0_led0[] = {GPIO5}; +static const unsigned xrx200_pins_gphy0_led1[] = {GPIO7}; +static const unsigned xrx200_pins_gphy0_led2[] = {GPIO2}; +static const unsigned xrx200_pins_gphy1_led0[] = {GPIO44}; +static const unsigned xrx200_pins_gphy1_led1[] = {GPIO45}; +static const unsigned xrx200_pins_gphy1_led2[] = {GPIO47}; + +static const unsigned xrx200_pins_ebu_a24[] = {GPIO13}; +static const unsigned xrx200_pins_ebu_clk[] = {GPIO21}; +static const unsigned xrx200_pins_ebu_cs1[] = {GPIO23}; +static const unsigned xrx200_pins_ebu_a23[] = {GPIO24}; +static const unsigned xrx200_pins_ebu_wait[] = {GPIO26}; +static const unsigned xrx200_pins_ebu_a25[] = {GPIO31}; + +static const unsigned xrx200_pins_nand_ale[] = {GPIO13}; +static const unsigned xrx200_pins_nand_cs1[] = {GPIO23}; +static const unsigned xrx200_pins_nand_cle[] = {GPIO24}; +static const unsigned xrx200_pins_nand_rdy[] = {GPIO48}; +static const unsigned xrx200_pins_nand_rd[] = {GPIO49}; + +static const unsigned xrx200_pins_spi_di[] = {GPIO16}; +static const unsigned xrx200_pins_spi_do[] = {GPIO17}; +static const unsigned xrx200_pins_spi_clk[] = {GPIO18}; +static const unsigned xrx200_pins_spi_cs1[] = {GPIO15}; +static const unsigned xrx200_pins_spi_cs2[] = {GPIO22}; +static const unsigned xrx200_pins_spi_cs3[] = {GPIO13}; +static const unsigned xrx200_pins_spi_cs4[] = {GPIO10}; +static const unsigned xrx200_pins_spi_cs5[] = {GPIO9}; +static const unsigned xrx200_pins_spi_cs6[] = {GPIO11}; + +static const unsigned xrx200_pins_gpt1[] = {GPIO28}; +static const unsigned xrx200_pins_gpt2[] = {GPIO21}; +static const unsigned xrx200_pins_gpt3[] = {GPIO6}; + +static const unsigned xrx200_pins_clkout0[] = {GPIO8}; +static const unsigned xrx200_pins_clkout1[] = {GPIO7}; +static const unsigned xrx200_pins_clkout2[] = {GPIO3}; +static const unsigned xrx200_pins_clkout3[] = {GPIO2}; + +static const unsigned xrx200_pins_pci_gnt1[] = {GPIO28}; +static const unsigned xrx200_pins_pci_gnt2[] = {GPIO23}; +static const unsigned xrx200_pins_pci_gnt3[] = {GPIO19}; +static const unsigned xrx200_pins_pci_gnt4[] = {GPIO38}; +static const unsigned xrx200_pins_pci_req1[] = {GPIO29}; +static const unsigned xrx200_pins_pci_req2[] = {GPIO31}; +static const unsigned xrx200_pins_pci_req3[] = {GPIO3}; +static const unsigned xrx200_pins_pci_req4[] = {GPIO37}; + +static const struct ltq_pin_group xrx200_grps[] = { + GRP_MUX("exin0", EXIN, xrx200_pins_exin0), + GRP_MUX("exin1", EXIN, xrx200_pins_exin1), + GRP_MUX("exin2", EXIN, xrx200_pins_exin2), + GRP_MUX("exin3", EXIN, xrx200_pins_exin3), + GRP_MUX("exin4", EXIN, xrx200_pins_exin4), + GRP_MUX("exin5", EXIN, xrx200_pins_exin5), + GRP_MUX("ebu a23", EBU, xrx200_pins_ebu_a23), + GRP_MUX("ebu a24", EBU, xrx200_pins_ebu_a24), + GRP_MUX("ebu a25", EBU, xrx200_pins_ebu_a25), + GRP_MUX("ebu clk", EBU, xrx200_pins_ebu_clk), + GRP_MUX("ebu cs1", EBU, xrx200_pins_ebu_cs1), + GRP_MUX("ebu wait", EBU, xrx200_pins_ebu_wait), + GRP_MUX("nand ale", EBU, xrx200_pins_nand_ale), + GRP_MUX("nand cs1", EBU, xrx200_pins_nand_cs1), + GRP_MUX("nand cle", EBU, xrx200_pins_nand_cle), + GRP_MUX("nand rdy", EBU, xrx200_pins_nand_rdy), + GRP_MUX("nand rd", EBU, xrx200_pins_nand_rd), + GRP_MUX("spi_di", SPI, xrx200_pins_spi_di), + GRP_MUX("spi_do", SPI, xrx200_pins_spi_do), + GRP_MUX("spi_clk", SPI, xrx200_pins_spi_clk), + GRP_MUX("spi_cs1", SPI, xrx200_pins_spi_cs1), + GRP_MUX("spi_cs2", SPI, xrx200_pins_spi_cs2), + GRP_MUX("spi_cs3", SPI, xrx200_pins_spi_cs3), + GRP_MUX("spi_cs4", SPI, xrx200_pins_spi_cs4), + GRP_MUX("spi_cs5", SPI, xrx200_pins_spi_cs5), + GRP_MUX("spi_cs6", SPI, xrx200_pins_spi_cs6), + GRP_MUX("usif uart_rx", USIF, xrx200_pins_usif_uart_rx), + GRP_MUX("usif uart_tx", USIF, xrx200_pins_usif_uart_tx), + GRP_MUX("usif uart_rts", USIF, xrx200_pins_usif_uart_rts), + GRP_MUX("usif uart_cts", USIF, xrx200_pins_usif_uart_cts), + GRP_MUX("usif uart_dtr", USIF, xrx200_pins_usif_uart_dtr), + GRP_MUX("usif uart_dsr", USIF, xrx200_pins_usif_uart_dsr), + GRP_MUX("usif uart_dcd", USIF, xrx200_pins_usif_uart_dcd), + GRP_MUX("usif uart_ri", USIF, xrx200_pins_usif_uart_ri), + GRP_MUX("usif spi_di", USIF, xrx200_pins_usif_spi_di), + GRP_MUX("usif spi_do", USIF, xrx200_pins_usif_spi_do), + GRP_MUX("usif spi_clk", USIF, xrx200_pins_usif_spi_clk), + GRP_MUX("usif spi_cs0", USIF, xrx200_pins_usif_spi_cs0), + GRP_MUX("usif spi_cs1", USIF, xrx200_pins_usif_spi_cs1), + GRP_MUX("usif spi_cs2", USIF, xrx200_pins_usif_spi_cs2), + GRP_MUX("stp", STP, xrx200_pins_stp), + GRP_MUX("nmi", NMI, xrx200_pins_nmi), + GRP_MUX("gpt1", GPT, xrx200_pins_gpt1), + GRP_MUX("gpt2", GPT, xrx200_pins_gpt2), + GRP_MUX("gpt3", GPT, xrx200_pins_gpt3), + GRP_MUX("clkout0", CGU, xrx200_pins_clkout0), + GRP_MUX("clkout1", CGU, xrx200_pins_clkout1), + GRP_MUX("clkout2", CGU, xrx200_pins_clkout2), + GRP_MUX("clkout3", CGU, xrx200_pins_clkout3), + GRP_MUX("gnt1", PCI, xrx200_pins_pci_gnt1), + GRP_MUX("gnt2", PCI, xrx200_pins_pci_gnt2), + GRP_MUX("gnt3", PCI, xrx200_pins_pci_gnt3), + GRP_MUX("gnt4", PCI, xrx200_pins_pci_gnt4), + GRP_MUX("req1", PCI, xrx200_pins_pci_req1), + GRP_MUX("req2", PCI, xrx200_pins_pci_req2), + GRP_MUX("req3", PCI, xrx200_pins_pci_req3), + GRP_MUX("req4", PCI, xrx200_pins_pci_req4), + GRP_MUX("mdio", MDIO, xrx200_pins_mdio), + GRP_MUX("dfe led0", DFE, xrx200_pins_dfe_led0), + GRP_MUX("dfe led1", DFE, xrx200_pins_dfe_led1), + GRP_MUX("gphy0 led0", GPHY, xrx200_pins_gphy0_led0), + GRP_MUX("gphy0 led1", GPHY, xrx200_pins_gphy0_led1), + GRP_MUX("gphy0 led2", GPHY, xrx200_pins_gphy0_led2), + GRP_MUX("gphy1 led0", GPHY, xrx200_pins_gphy1_led0), + GRP_MUX("gphy1 led1", GPHY, xrx200_pins_gphy1_led1), + GRP_MUX("gphy1 led2", GPHY, xrx200_pins_gphy1_led2), +}; + +static const char * const xrx200_pci_grps[] = {"gnt1", "gnt2", + "gnt3", "gnt4", + "req1", "req2", + "req3", "req4"}; +static const char * const xrx200_spi_grps[] = {"spi_di", "spi_do", + "spi_clk", "spi_cs1", + "spi_cs2", "spi_cs3", + "spi_cs4", "spi_cs5", + "spi_cs6"}; +static const char * const xrx200_cgu_grps[] = {"clkout0", "clkout1", + "clkout2", "clkout3"}; +static const char * const xrx200_ebu_grps[] = {"ebu a23", "ebu a24", + "ebu a25", "ebu cs1", + "ebu wait", "ebu clk", + "nand ale", "nand cs1", + "nand cle", "nand rdy", + "nand rd"}; +static const char * const xrx200_exin_grps[] = {"exin0", "exin1", "exin2", + "exin3", "exin4", "exin5"}; +static const char * const xrx200_gpt_grps[] = {"gpt1", "gpt2", "gpt3"}; +static const char * const xrx200_usif_grps[] = {"usif uart_rx", "usif uart_tx", + "usif uart_rts", "usif uart_cts", + "usif uart_dtr", "usif uart_dsr", + "usif uart_dcd", "usif uart_ri", + "usif spi_di", "usif spi_do", + "usif spi_clk", "usif spi_cs0", + "usif spi_cs1", "usif spi_cs2"}; +static const char * const xrx200_stp_grps[] = {"stp"}; +static const char * const xrx200_nmi_grps[] = {"nmi"}; +static const char * const xrx200_mdio_grps[] = {"mdio"}; +static const char * const xrx200_dfe_grps[] = {"dfe led0", "dfe led1"}; +static const char * const xrx200_gphy_grps[] = {"gphy0 led0", "gphy0 led1", + "gphy0 led2", "gphy1 led0", + "gphy1 led1", "gphy1 led2"}; + +static const struct ltq_pmx_func xrx200_funcs[] = { + {"spi", ARRAY_AND_SIZE(xrx200_spi_grps)}, + {"usif", ARRAY_AND_SIZE(xrx200_usif_grps)}, + {"cgu", ARRAY_AND_SIZE(xrx200_cgu_grps)}, + {"exin", ARRAY_AND_SIZE(xrx200_exin_grps)}, + {"stp", ARRAY_AND_SIZE(xrx200_stp_grps)}, + {"gpt", ARRAY_AND_SIZE(xrx200_gpt_grps)}, + {"nmi", ARRAY_AND_SIZE(xrx200_nmi_grps)}, + {"pci", ARRAY_AND_SIZE(xrx200_pci_grps)}, + {"ebu", ARRAY_AND_SIZE(xrx200_ebu_grps)}, + {"mdio", ARRAY_AND_SIZE(xrx200_mdio_grps)}, + {"dfe", ARRAY_AND_SIZE(xrx200_dfe_grps)}, + {"gphy", ARRAY_AND_SIZE(xrx200_gphy_grps)}, +}; + +/* --------- xrx300 related code --------- */ +#define XRX300_MAX_PIN 64 + +static const struct ltq_mfp_pin xrx300_mfp[] = { + /* pin f0 f1 f2 f3 */ + MFP_XWAY(GPIO0, GPIO, EXIN, EPHY, NONE), + MFP_XWAY(GPIO1, GPIO, NONE, EXIN, NONE), + MFP_XWAY(GPIO2, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO3, GPIO, CGU, NONE, NONE), + MFP_XWAY(GPIO4, GPIO, STP, DFE, NONE), + MFP_XWAY(GPIO5, GPIO, STP, EPHY, DFE), + MFP_XWAY(GPIO6, GPIO, STP, NONE, NONE), + MFP_XWAY(GPIO7, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO8, GPIO, CGU, GPHY, EPHY), + MFP_XWAY(GPIO9, GPIO, WIFI, NONE, EXIN), + MFP_XWAY(GPIO10, GPIO, USIF, SPI, EXIN), + MFP_XWAY(GPIO11, GPIO, USIF, WIFI, SPI), + MFP_XWAY(GPIO12, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO13, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO14, GPIO, CGU, USIF, EPHY), + MFP_XWAY(GPIO15, GPIO, SPI, NONE, MCD), + MFP_XWAY(GPIO16, GPIO, SPI, EXIN, NONE), + MFP_XWAY(GPIO17, GPIO, SPI, NONE, NONE), + MFP_XWAY(GPIO18, GPIO, SPI, NONE, NONE), + MFP_XWAY(GPIO19, GPIO, USIF, NONE, EPHY), + MFP_XWAY(GPIO20, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO21, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO22, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO23, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO24, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO25, GPIO, TDM, NONE, NONE), + MFP_XWAY(GPIO26, GPIO, TDM, NONE, NONE), + MFP_XWAY(GPIO27, GPIO, TDM, NONE, NONE), + MFP_XWAY(GPIO28, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO29, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO30, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO31, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO32, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO33, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO34, GPIO, NONE, SSI, NONE), + MFP_XWAY(GPIO35, GPIO, NONE, SSI, NONE), + MFP_XWAY(GPIO36, GPIO, NONE, SSI, NONE), + MFP_XWAY(GPIO37, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO38, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO39, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO40, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO41, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO42, GPIO, MDIO, NONE, NONE), + MFP_XWAY(GPIO43, GPIO, MDIO, NONE, NONE), + MFP_XWAY(GPIO44, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO45, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO46, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO47, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO48, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO49, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO50, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO51, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO52, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO53, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO54, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO55, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO56, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO57, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO58, GPIO, EBU, TDM, NONE), + MFP_XWAY(GPIO59, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO60, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO61, GPIO, EBU, NONE, NONE), + MFP_XWAY(GPIO62, NONE, NONE, NONE, NONE), + MFP_XWAY(GPIO63, NONE, NONE, NONE, NONE), +}; + +static const unsigned xrx300_exin_pin_map[] = {GPIO0, GPIO1, GPIO16, GPIO10, GPIO9}; + +static const unsigned xrx300_pins_exin0[] = {GPIO0}; +static const unsigned xrx300_pins_exin1[] = {GPIO1}; +static const unsigned xrx300_pins_exin2[] = {GPIO16}; +/* EXIN3 is not available on xrX300 */ +static const unsigned xrx300_pins_exin4[] = {GPIO10}; +static const unsigned xrx300_pins_exin5[] = {GPIO9}; + +static const unsigned xrx300_pins_usif_uart_rx[] = {GPIO11}; +static const unsigned xrx300_pins_usif_uart_tx[] = {GPIO10}; + +static const unsigned xrx300_pins_usif_spi_di[] = {GPIO11}; +static const unsigned xrx300_pins_usif_spi_do[] = {GPIO10}; +static const unsigned xrx300_pins_usif_spi_clk[] = {GPIO19}; +static const unsigned xrx300_pins_usif_spi_cs0[] = {GPIO14}; + +static const unsigned xrx300_pins_stp[] = {GPIO4, GPIO5, GPIO6}; +static const unsigned xrx300_pins_mdio[] = {GPIO42, GPIO43}; + +static const unsigned xrx300_pins_dfe_led0[] = {GPIO4}; +static const unsigned xrx300_pins_dfe_led1[] = {GPIO5}; + +static const unsigned xrx300_pins_ephy0_led0[] = {GPIO5}; +static const unsigned xrx300_pins_ephy0_led1[] = {GPIO8}; +static const unsigned xrx300_pins_ephy1_led0[] = {GPIO14}; +static const unsigned xrx300_pins_ephy1_led1[] = {GPIO19}; + +static const unsigned xrx300_pins_nand_ale[] = {GPIO13}; +static const unsigned xrx300_pins_nand_cs1[] = {GPIO23}; +static const unsigned xrx300_pins_nand_cle[] = {GPIO24}; +static const unsigned xrx300_pins_nand_rdy[] = {GPIO48}; +static const unsigned xrx300_pins_nand_rd[] = {GPIO49}; +static const unsigned xrx300_pins_nand_d1[] = {GPIO50}; +static const unsigned xrx300_pins_nand_d0[] = {GPIO51}; +static const unsigned xrx300_pins_nand_d2[] = {GPIO52}; +static const unsigned xrx300_pins_nand_d7[] = {GPIO53}; +static const unsigned xrx300_pins_nand_d6[] = {GPIO54}; +static const unsigned xrx300_pins_nand_d5[] = {GPIO55}; +static const unsigned xrx300_pins_nand_d4[] = {GPIO56}; +static const unsigned xrx300_pins_nand_d3[] = {GPIO57}; +static const unsigned xrx300_pins_nand_cs0[] = {GPIO58}; +static const unsigned xrx300_pins_nand_wr[] = {GPIO59}; +static const unsigned xrx300_pins_nand_wp[] = {GPIO60}; +static const unsigned xrx300_pins_nand_se[] = {GPIO61}; + +static const unsigned xrx300_pins_spi_di[] = {GPIO16}; +static const unsigned xrx300_pins_spi_do[] = {GPIO17}; +static const unsigned xrx300_pins_spi_clk[] = {GPIO18}; +static const unsigned xrx300_pins_spi_cs1[] = {GPIO15}; +/* SPI_CS2 is not available on xrX300 */ +/* SPI_CS3 is not available on xrX300 */ +static const unsigned xrx300_pins_spi_cs4[] = {GPIO10}; +/* SPI_CS5 is not available on xrX300 */ +static const unsigned xrx300_pins_spi_cs6[] = {GPIO11}; + +/* CLKOUT0 is not available on xrX300 */ +/* CLKOUT1 is not available on xrX300 */ +static const unsigned xrx300_pins_clkout2[] = {GPIO3}; + +static const struct ltq_pin_group xrx300_grps[] = { + GRP_MUX("exin0", EXIN, xrx300_pins_exin0), + GRP_MUX("exin1", EXIN, xrx300_pins_exin1), + GRP_MUX("exin2", EXIN, xrx300_pins_exin2), + GRP_MUX("exin4", EXIN, xrx300_pins_exin4), + GRP_MUX("exin5", EXIN, xrx300_pins_exin5), + GRP_MUX("nand ale", EBU, xrx300_pins_nand_ale), + GRP_MUX("nand cs1", EBU, xrx300_pins_nand_cs1), + GRP_MUX("nand cle", EBU, xrx300_pins_nand_cle), + GRP_MUX("nand rdy", EBU, xrx300_pins_nand_rdy), + GRP_MUX("nand rd", EBU, xrx300_pins_nand_rd), + GRP_MUX("nand d1", EBU, xrx300_pins_nand_d1), + GRP_MUX("nand d0", EBU, xrx300_pins_nand_d0), + GRP_MUX("nand d2", EBU, xrx300_pins_nand_d2), + GRP_MUX("nand d7", EBU, xrx300_pins_nand_d7), + GRP_MUX("nand d6", EBU, xrx300_pins_nand_d6), + GRP_MUX("nand d5", EBU, xrx300_pins_nand_d5), + GRP_MUX("nand d4", EBU, xrx300_pins_nand_d4), + GRP_MUX("nand d3", EBU, xrx300_pins_nand_d3), + GRP_MUX("nand cs0", EBU, xrx300_pins_nand_cs0), + GRP_MUX("nand wr", EBU, xrx300_pins_nand_wr), + GRP_MUX("nand wp", EBU, xrx300_pins_nand_wp), + GRP_MUX("nand se", EBU, xrx300_pins_nand_se), + GRP_MUX("spi_di", SPI, xrx300_pins_spi_di), + GRP_MUX("spi_do", SPI, xrx300_pins_spi_do), + GRP_MUX("spi_clk", SPI, xrx300_pins_spi_clk), + GRP_MUX("spi_cs1", SPI, xrx300_pins_spi_cs1), + GRP_MUX("spi_cs4", SPI, xrx300_pins_spi_cs4), + GRP_MUX("spi_cs6", SPI, xrx300_pins_spi_cs6), + GRP_MUX("usif uart_rx", USIF, xrx300_pins_usif_uart_rx), + GRP_MUX("usif uart_tx", USIF, xrx300_pins_usif_uart_tx), + GRP_MUX("usif spi_di", USIF, xrx300_pins_usif_spi_di), + GRP_MUX("usif spi_do", USIF, xrx300_pins_usif_spi_do), + GRP_MUX("usif spi_clk", USIF, xrx300_pins_usif_spi_clk), + GRP_MUX("usif spi_cs0", USIF, xrx300_pins_usif_spi_cs0), + GRP_MUX("stp", STP, xrx300_pins_stp), + GRP_MUX("clkout2", CGU, xrx300_pins_clkout2), + GRP_MUX("mdio", MDIO, xrx300_pins_mdio), + GRP_MUX("dfe led0", DFE, xrx300_pins_dfe_led0), + GRP_MUX("dfe led1", DFE, xrx300_pins_dfe_led1), + GRP_MUX("ephy0 led0", GPHY, xrx300_pins_ephy0_led0), + GRP_MUX("ephy0 led1", GPHY, xrx300_pins_ephy0_led1), + GRP_MUX("ephy1 led0", GPHY, xrx300_pins_ephy1_led0), + GRP_MUX("ephy1 led1", GPHY, xrx300_pins_ephy1_led1), +}; + +static const char * const xrx300_spi_grps[] = {"spi_di", "spi_do", + "spi_clk", "spi_cs1", + "spi_cs4", "spi_cs6"}; +static const char * const xrx300_cgu_grps[] = {"clkout2"}; +static const char * const xrx300_ebu_grps[] = {"nand ale", "nand cs1", + "nand cle", "nand rdy", + "nand rd", "nand d1", + "nand d0", "nand d2", + "nand d7", "nand d6", + "nand d5", "nand d4", + "nand d3", "nand cs0", + "nand wr", "nand wp", + "nand se"}; +static const char * const xrx300_exin_grps[] = {"exin0", "exin1", "exin2", + "exin4", "exin5"}; +static const char * const xrx300_usif_grps[] = {"usif uart_rx", "usif uart_tx", + "usif spi_di", "usif spi_do", + "usif spi_clk", "usif spi_cs0"}; +static const char * const xrx300_stp_grps[] = {"stp"}; +static const char * const xrx300_mdio_grps[] = {"mdio"}; +static const char * const xrx300_dfe_grps[] = {"dfe led0", "dfe led1"}; +static const char * const xrx300_gphy_grps[] = {"ephy0 led0", "ephy0 led1", + "ephy1 led0", "ephy1 led1"}; + +static const struct ltq_pmx_func xrx300_funcs[] = { + {"spi", ARRAY_AND_SIZE(xrx300_spi_grps)}, + {"usif", ARRAY_AND_SIZE(xrx300_usif_grps)}, + {"cgu", ARRAY_AND_SIZE(xrx300_cgu_grps)}, + {"exin", ARRAY_AND_SIZE(xrx300_exin_grps)}, + {"stp", ARRAY_AND_SIZE(xrx300_stp_grps)}, + {"ebu", ARRAY_AND_SIZE(xrx300_ebu_grps)}, + {"mdio", ARRAY_AND_SIZE(xrx300_mdio_grps)}, + {"dfe", ARRAY_AND_SIZE(xrx300_dfe_grps)}, + {"ephy", ARRAY_AND_SIZE(xrx300_gphy_grps)}, +}; + +/* --------- pinconf related code --------- */ +static int xway_pinconf_get(struct pinctrl_dev *pctldev, + unsigned pin, + unsigned long *config) +{ + struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev); + enum ltq_pinconf_param param = LTQ_PINCONF_UNPACK_PARAM(*config); + int port = PORT(pin); + u32 reg; + + switch (param) { + case LTQ_PINCONF_PARAM_OPEN_DRAIN: + if (port == PORT3) + reg = GPIO3_OD; + else + reg = GPIO_OD(pin); + *config = LTQ_PINCONF_PACK(param, + !gpio_getbit(info->membase[0], reg, PORT_PIN(pin))); + break; + + case LTQ_PINCONF_PARAM_PULL: + if (port == PORT3) + reg = GPIO3_PUDEN; + else + reg = GPIO_PUDEN(pin); + if (!gpio_getbit(info->membase[0], reg, PORT_PIN(pin))) { + *config = LTQ_PINCONF_PACK(param, 0); + break; + } + + if (port == PORT3) + reg = GPIO3_PUDSEL; + else + reg = GPIO_PUDSEL(pin); + if (!gpio_getbit(info->membase[0], reg, PORT_PIN(pin))) + *config = LTQ_PINCONF_PACK(param, 2); + else + *config = LTQ_PINCONF_PACK(param, 1); + break; + + case LTQ_PINCONF_PARAM_OUTPUT: + reg = GPIO_DIR(pin); + *config = LTQ_PINCONF_PACK(param, + gpio_getbit(info->membase[0], reg, PORT_PIN(pin))); + break; + default: + dev_err(pctldev->dev, "Invalid config param %04x\n", param); + return -ENOTSUPP; + } + return 0; +} + +static int xway_pinconf_set(struct pinctrl_dev *pctldev, + unsigned pin, + unsigned long *configs, + unsigned num_configs) +{ + struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev); + enum ltq_pinconf_param param; + int arg; + int port = PORT(pin); + u32 reg; + int i; + + for (i = 0; i < num_configs; i++) { + param = LTQ_PINCONF_UNPACK_PARAM(configs[i]); + arg = LTQ_PINCONF_UNPACK_ARG(configs[i]); + + switch (param) { + case LTQ_PINCONF_PARAM_OPEN_DRAIN: + if (port == PORT3) + reg = GPIO3_OD; + else + reg = GPIO_OD(pin); + if (arg == 0) + gpio_setbit(info->membase[0], + reg, + PORT_PIN(pin)); + else + gpio_clearbit(info->membase[0], + reg, + PORT_PIN(pin)); + break; + + case LTQ_PINCONF_PARAM_PULL: + if (port == PORT3) + reg = GPIO3_PUDEN; + else + reg = GPIO_PUDEN(pin); + if (arg == 0) { + gpio_clearbit(info->membase[0], + reg, + PORT_PIN(pin)); + break; + } + gpio_setbit(info->membase[0], reg, PORT_PIN(pin)); + + if (port == PORT3) + reg = GPIO3_PUDSEL; + else + reg = GPIO_PUDSEL(pin); + if (arg == 1) + gpio_clearbit(info->membase[0], + reg, + PORT_PIN(pin)); + else if (arg == 2) + gpio_setbit(info->membase[0], + reg, + PORT_PIN(pin)); + else + dev_err(pctldev->dev, + "Invalid pull value %d\n", arg); + break; + + case LTQ_PINCONF_PARAM_OUTPUT: + reg = GPIO_DIR(pin); + if (arg == 0) + gpio_clearbit(info->membase[0], + reg, + PORT_PIN(pin)); + else + gpio_setbit(info->membase[0], + reg, + PORT_PIN(pin)); + break; + + default: + dev_err(pctldev->dev, + "Invalid config param %04x\n", param); + return -ENOTSUPP; + } + } /* for each config */ + + return 0; +} + +int xway_pinconf_group_set(struct pinctrl_dev *pctldev, + unsigned selector, + unsigned long *configs, + unsigned num_configs) +{ + struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev); + int i, ret = 0; + + for (i = 0; i < info->grps[selector].npins && !ret; i++) + ret = xway_pinconf_set(pctldev, + info->grps[selector].pins[i], + configs, + num_configs); + + return ret; +} + +static const struct pinconf_ops xway_pinconf_ops = { + .pin_config_get = xway_pinconf_get, + .pin_config_set = xway_pinconf_set, + .pin_config_group_set = xway_pinconf_group_set, +}; + +static struct pinctrl_desc xway_pctrl_desc = { + .owner = THIS_MODULE, + .confops = &xway_pinconf_ops, +}; + +static inline int xway_mux_apply(struct pinctrl_dev *pctrldev, + int pin, int mux) +{ + struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev); + int port = PORT(pin); + u32 alt1_reg = GPIO_ALT1(pin); + + if (port == PORT3) + alt1_reg = GPIO3_ALT1; + + if (mux & MUX_ALT0) + gpio_setbit(info->membase[0], GPIO_ALT0(pin), PORT_PIN(pin)); + else + gpio_clearbit(info->membase[0], GPIO_ALT0(pin), PORT_PIN(pin)); + + if (mux & MUX_ALT1) + gpio_setbit(info->membase[0], alt1_reg, PORT_PIN(pin)); + else + gpio_clearbit(info->membase[0], alt1_reg, PORT_PIN(pin)); + + return 0; +} + +static const struct ltq_cfg_param xway_cfg_params[] = { + {"lantiq,pull", LTQ_PINCONF_PARAM_PULL}, + {"lantiq,open-drain", LTQ_PINCONF_PARAM_OPEN_DRAIN}, + {"lantiq,output", LTQ_PINCONF_PARAM_OUTPUT}, +}; + +static struct ltq_pinmux_info xway_info = { + .desc = &xway_pctrl_desc, + .apply_mux = xway_mux_apply, + .params = xway_cfg_params, + .num_params = ARRAY_SIZE(xway_cfg_params), +}; + +/* --------- gpio_chip related code --------- */ +static void xway_gpio_set(struct gpio_chip *chip, unsigned int pin, int val) +{ + struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent); + + if (val) + gpio_setbit(info->membase[0], GPIO_OUT(pin), PORT_PIN(pin)); + else + gpio_clearbit(info->membase[0], GPIO_OUT(pin), PORT_PIN(pin)); +} + +static int xway_gpio_get(struct gpio_chip *chip, unsigned int pin) +{ + struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent); + + return !!gpio_getbit(info->membase[0], GPIO_IN(pin), PORT_PIN(pin)); +} + +static int xway_gpio_dir_in(struct gpio_chip *chip, unsigned int pin) +{ + struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent); + + gpio_clearbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin)); + + return 0; +} + +static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val) +{ + struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent); + + if (PORT(pin) == PORT3) + gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin)); + else + gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin)); + gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin)); + xway_gpio_set(chip, pin, val); + + return 0; +} + +/* + * gpiolib gpiod_to_irq callback function. + * Returns the mapped IRQ (external interrupt) number for a given GPIO pin. + */ +static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent); + int i; + + for (i = 0; i < info->num_exin; i++) + if (info->exin[i] == offset) + return ltq_eiu_get_irq(i); + + return -1; +} + +static struct gpio_chip xway_chip = { + .label = "gpio-xway", + .direction_input = xway_gpio_dir_in, + .direction_output = xway_gpio_dir_out, + .get = xway_gpio_get, + .set = xway_gpio_set, + .request = gpiochip_generic_request, + .free = gpiochip_generic_free, + .to_irq = xway_gpio_to_irq, + .base = -1, +}; + + +/* --------- register the pinctrl layer --------- */ +struct pinctrl_xway_soc { + int pin_count; + const struct ltq_mfp_pin *mfp; + const struct ltq_pin_group *grps; + unsigned int num_grps; + const struct ltq_pmx_func *funcs; + unsigned int num_funcs; + const unsigned *exin; + unsigned int num_exin; +}; + +/* XWAY AMAZON Family */ +static struct pinctrl_xway_soc ase_pinctrl = { + .pin_count = ASE_MAX_PIN, + .mfp = ase_mfp, + .grps = ase_grps, + .num_grps = ARRAY_SIZE(ase_grps), + .funcs = ase_funcs, + .num_funcs = ARRAY_SIZE(ase_funcs), + .exin = ase_exin_pin_map, + .num_exin = 3 +}; + +/* XWAY DANUBE Family */ +static struct pinctrl_xway_soc danube_pinctrl = { + .pin_count = DANUBE_MAX_PIN, + .mfp = danube_mfp, + .grps = danube_grps, + .num_grps = ARRAY_SIZE(danube_grps), + .funcs = danube_funcs, + .num_funcs = ARRAY_SIZE(danube_funcs), + .exin = danube_exin_pin_map, + .num_exin = 3 +}; + +/* XWAY xRX100 Family */ +static struct pinctrl_xway_soc xrx100_pinctrl = { + .pin_count = XRX100_MAX_PIN, + .mfp = xrx100_mfp, + .grps = xrx100_grps, + .num_grps = ARRAY_SIZE(xrx100_grps), + .funcs = xrx100_funcs, + .num_funcs = ARRAY_SIZE(xrx100_funcs), + .exin = xrx100_exin_pin_map, + .num_exin = 6 +}; + +/* XWAY xRX200 Family */ +static struct pinctrl_xway_soc xrx200_pinctrl = { + .pin_count = XRX200_MAX_PIN, + .mfp = xrx200_mfp, + .grps = xrx200_grps, + .num_grps = ARRAY_SIZE(xrx200_grps), + .funcs = xrx200_funcs, + .num_funcs = ARRAY_SIZE(xrx200_funcs), + .exin = xrx200_exin_pin_map, + .num_exin = 6 +}; + +/* XWAY xRX300 Family */ +static struct pinctrl_xway_soc xrx300_pinctrl = { + .pin_count = XRX300_MAX_PIN, + .mfp = xrx300_mfp, + .grps = xrx300_grps, + .num_grps = ARRAY_SIZE(xrx300_grps), + .funcs = xrx300_funcs, + .num_funcs = ARRAY_SIZE(xrx300_funcs), + .exin = xrx300_exin_pin_map, + .num_exin = 5 +}; + +static struct pinctrl_gpio_range xway_gpio_range = { + .name = "XWAY GPIO", + .gc = &xway_chip, +}; + +static const struct of_device_id xway_match[] = { + { .compatible = "lantiq,ase-pinctrl", .data = &ase_pinctrl}, + { .compatible = "lantiq,danube-pinctrl", .data = &danube_pinctrl}, + { .compatible = "lantiq,xrx100-pinctrl", .data = &xrx100_pinctrl}, + { .compatible = "lantiq,xrx200-pinctrl", .data = &xrx200_pinctrl}, + { .compatible = "lantiq,xrx300-pinctrl", .data = &xrx300_pinctrl}, + {}, +}; +MODULE_DEVICE_TABLE(of, xway_match); + +static int pinmux_xway_probe(struct platform_device *pdev) +{ + const struct of_device_id *match; + const struct pinctrl_xway_soc *xway_soc; + int ret, i; + + /* get and remap our register range */ + xway_info.membase[0] = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(xway_info.membase[0])) + return PTR_ERR(xway_info.membase[0]); + + match = of_match_device(xway_match, &pdev->dev); + if (match) + xway_soc = (const struct pinctrl_xway_soc *) match->data; + else + xway_soc = &danube_pinctrl; + + /* find out how many pads we have */ + xway_chip.ngpio = xway_soc->pin_count; + + /* load our pad descriptors */ + xway_info.pads = devm_kcalloc(&pdev->dev, + xway_chip.ngpio, sizeof(struct pinctrl_pin_desc), + GFP_KERNEL); + if (!xway_info.pads) + return -ENOMEM; + + for (i = 0; i < xway_chip.ngpio; i++) { + char *name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "io%d", i); + + if (!name) + return -ENOMEM; + + xway_info.pads[i].number = GPIO0 + i; + xway_info.pads[i].name = name; + } + xway_pctrl_desc.pins = xway_info.pads; + + /* setup the data needed by pinctrl */ + xway_pctrl_desc.name = dev_name(&pdev->dev); + xway_pctrl_desc.npins = xway_chip.ngpio; + + xway_info.num_pads = xway_chip.ngpio; + xway_info.num_mfp = xway_chip.ngpio; + xway_info.mfp = xway_soc->mfp; + xway_info.grps = xway_soc->grps; + xway_info.num_grps = xway_soc->num_grps; + xway_info.funcs = xway_soc->funcs; + xway_info.num_funcs = xway_soc->num_funcs; + xway_info.exin = xway_soc->exin; + xway_info.num_exin = xway_soc->num_exin; + + /* register with the generic lantiq layer */ + ret = ltq_pinctrl_register(pdev, &xway_info); + if (ret) { + dev_err(&pdev->dev, "Failed to register pinctrl driver\n"); + return ret; + } + + /* register the gpio chip */ + xway_chip.parent = &pdev->dev; + xway_chip.owner = THIS_MODULE; + ret = devm_gpiochip_add_data(&pdev->dev, &xway_chip, NULL); + if (ret) { + dev_err(&pdev->dev, "Failed to register gpio chip\n"); + return ret; + } + + /* + * For DeviceTree-supported systems, the gpio core checks the + * pinctrl's device node for the "gpio-ranges" property. + * If it is present, it takes care of adding the pin ranges + * for the driver. In this case the driver can skip ahead. + * + * In order to remain compatible with older, existing DeviceTree + * files which don't set the "gpio-ranges" property or systems that + * utilize ACPI the driver has to call gpiochip_add_pin_range(). + */ + if (!of_property_read_bool(pdev->dev.of_node, "gpio-ranges")) { + /* finish with registering the gpio range in pinctrl */ + xway_gpio_range.npins = xway_chip.ngpio; + xway_gpio_range.base = xway_chip.base; + pinctrl_add_gpio_range(xway_info.pctrl, &xway_gpio_range); + } + + dev_info(&pdev->dev, "Init done\n"); + return 0; +} + +static struct platform_driver pinmux_xway_driver = { + .probe = pinmux_xway_probe, + .driver = { + .name = "pinctrl-xway", + .of_match_table = xway_match, + }, +}; + +static int __init pinmux_xway_init(void) +{ + return platform_driver_register(&pinmux_xway_driver); +} + +core_initcall_sync(pinmux_xway_init); |