diff options
Diffstat (limited to 'drivers/pinctrl/actions/pinctrl-s900.c')
-rw-r--r-- | drivers/pinctrl/actions/pinctrl-s900.c | 205 |
1 files changed, 71 insertions, 134 deletions
diff --git a/drivers/pinctrl/actions/pinctrl-s900.c b/drivers/pinctrl/actions/pinctrl-s900.c index ea67b14ef93b..9492b86852e7 100644 --- a/drivers/pinctrl/actions/pinctrl-s900.c +++ b/drivers/pinctrl/actions/pinctrl-s900.c @@ -13,6 +13,7 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinconf-generic.h> #include "pinctrl-owl.h" /* Pinctrl registers offset */ @@ -33,13 +34,6 @@ #define PAD_SR1 (0x0274) #define PAD_SR2 (0x0278) -#define OWL_GPIO_PORT_A 0 -#define OWL_GPIO_PORT_B 1 -#define OWL_GPIO_PORT_C 2 -#define OWL_GPIO_PORT_D 3 -#define OWL_GPIO_PORT_E 4 -#define OWL_GPIO_PORT_F 5 - #define _GPIOA(offset) (offset) #define _GPIOB(offset) (32 + (offset)) #define _GPIOC(offset) (64 + (offset)) @@ -892,55 +886,6 @@ static unsigned int i2c2_sr_pads[] = { I2C2_SCLK, I2C2_SDATA }; static unsigned int sensor0_sr_pads[] = { SENSOR0_PCLK, SENSOR0_CKOUT }; -#define MUX_PG(group_name, reg, shift, width) \ - { \ - .name = #group_name, \ - .pads = group_name##_pads, \ - .npads = ARRAY_SIZE(group_name##_pads), \ - .funcs = group_name##_funcs, \ - .nfuncs = ARRAY_SIZE(group_name##_funcs), \ - .mfpctl_reg = MFCTL##reg, \ - .mfpctl_shift = shift, \ - .mfpctl_width = width, \ - .drv_reg = -1, \ - .drv_shift = -1, \ - .drv_width = -1, \ - .sr_reg = -1, \ - .sr_shift = -1, \ - .sr_width = -1, \ - } - -#define DRV_PG(group_name, reg, shift, width) \ - { \ - .name = #group_name, \ - .pads = group_name##_pads, \ - .npads = ARRAY_SIZE(group_name##_pads), \ - .mfpctl_reg = -1, \ - .mfpctl_shift = -1, \ - .mfpctl_width = -1, \ - .drv_reg = PAD_DRV##reg, \ - .drv_shift = shift, \ - .drv_width = width, \ - .sr_reg = -1, \ - .sr_shift = -1, \ - .sr_width = -1, \ - } - -#define SR_PG(group_name, reg, shift, width) \ - { \ - .name = #group_name, \ - .pads = group_name##_pads, \ - .npads = ARRAY_SIZE(group_name##_pads), \ - .mfpctl_reg = -1, \ - .mfpctl_shift = -1, \ - .mfpctl_width = -1, \ - .drv_reg = -1, \ - .drv_shift = -1, \ - .drv_width = -1, \ - .sr_reg = PAD_SR##reg, \ - .sr_shift = shift, \ - .sr_width = width, \ - } /* Pinctrl groups */ static const struct owl_pingroup s900_groups[] = { @@ -1442,13 +1387,6 @@ static const char * const sirq2_groups[] = { "sirq2_dummy", }; -#define FUNCTION(fname) \ - { \ - .name = #fname, \ - .groups = fname##_groups, \ - .ngroups = ARRAY_SIZE(fname##_groups), \ - } - static const struct owl_pinmux_func s900_functions[] = { [S900_MUX_ERAM] = FUNCTION(eram), [S900_MUX_ETH_RMII] = FUNCTION(eth_rmii), @@ -1500,28 +1438,6 @@ static const struct owl_pinmux_func s900_functions[] = { [S900_MUX_SIRQ1] = FUNCTION(sirq1), [S900_MUX_SIRQ2] = FUNCTION(sirq2) }; -/* PAD PULL UP/DOWN CONFIGURES */ -#define PULLCTL_CONF(pull_reg, pull_sft, pull_wdt) \ - { \ - .reg = PAD_PULLCTL##pull_reg, \ - .shift = pull_sft, \ - .width = pull_wdt, \ - } - -#define PAD_PULLCTL_CONF(pad_name, pull_reg, pull_sft, pull_wdt) \ - struct owl_pullctl pad_name##_pullctl_conf \ - = PULLCTL_CONF(pull_reg, pull_sft, pull_wdt) - -#define ST_CONF(st_reg, st_sft, st_wdt) \ - { \ - .reg = PAD_ST##st_reg, \ - .shift = st_sft, \ - .width = st_wdt, \ - } - -#define PAD_ST_CONF(pad_name, st_reg, st_sft, st_wdt) \ - struct owl_st pad_name##_st_conf \ - = ST_CONF(st_reg, st_sft, st_wdt) /* PAD_PULLCTL0 */ static PAD_PULLCTL_CONF(ETH_RXER, 0, 18, 2); @@ -1639,34 +1555,6 @@ static PAD_ST_CONF(SPI0_SS, 1, 2, 1); static PAD_ST_CONF(I2S_BCLK0, 1, 1, 1); static PAD_ST_CONF(I2S_MCLK0, 1, 0, 1); -#define PAD_INFO(name) \ - { \ - .pad = name, \ - .pullctl = NULL, \ - .st = NULL, \ - } - -#define PAD_INFO_ST(name) \ - { \ - .pad = name, \ - .pullctl = NULL, \ - .st = &name##_st_conf, \ - } - -#define PAD_INFO_PULLCTL(name) \ - { \ - .pad = name, \ - .pullctl = &name##_pullctl_conf, \ - .st = NULL, \ - } - -#define PAD_INFO_PULLCTL_ST(name) \ - { \ - .pad = name, \ - .pullctl = &name##_pullctl_conf, \ - .st = &name##_st_conf, \ - } - /* Pad info table */ static struct owl_padinfo s900_padinfo[NUM_PADS] = { [ETH_TXD0] = PAD_INFO_ST(ETH_TXD0), @@ -1821,29 +1709,76 @@ static struct owl_padinfo s900_padinfo[NUM_PADS] = { [SGPIO3] = PAD_INFO_PULLCTL_ST(SGPIO3) }; -#define OWL_GPIO_PORT(port, base, count, _outen, _inen, _dat, \ - _intc_ctl, _intc_pd, _intc_msk, _intc_type) \ - [OWL_GPIO_PORT_##port] = { \ - .offset = base, \ - .pins = count, \ - .outen = _outen, \ - .inen = _inen, \ - .dat = _dat, \ - .intc_ctl = _intc_ctl, \ - .intc_pd = _intc_pd, \ - .intc_msk = _intc_msk, \ - .intc_type = _intc_type, \ - } - static const struct owl_gpio_port s900_gpio_ports[] = { - OWL_GPIO_PORT(A, 0x0000, 32, 0x0, 0x4, 0x8, 0x204, 0x208, 0x20C, 0x240), - OWL_GPIO_PORT(B, 0x000C, 32, 0x0, 0x4, 0x8, 0x534, 0x204, 0x208, 0x23C), - OWL_GPIO_PORT(C, 0x0018, 12, 0x0, 0x4, 0x8, 0x52C, 0x200, 0x204, 0x238), - OWL_GPIO_PORT(D, 0x0024, 30, 0x0, 0x4, 0x8, 0x524, 0x1FC, 0x200, 0x234), - OWL_GPIO_PORT(E, 0x0030, 32, 0x0, 0x4, 0x8, 0x51C, 0x1F8, 0x1FC, 0x230), - OWL_GPIO_PORT(F, 0x00F0, 8, 0x0, 0x4, 0x8, 0x460, 0x140, 0x144, 0x178) + OWL_GPIO_PORT(A, 0x0000, 32, 0x0, 0x4, 0x8, 0x204, 0x208, 0x20C, 0x240, 0), + OWL_GPIO_PORT(B, 0x000C, 32, 0x0, 0x4, 0x8, 0x534, 0x204, 0x208, 0x23C, 0), + OWL_GPIO_PORT(C, 0x0018, 12, 0x0, 0x4, 0x8, 0x52C, 0x200, 0x204, 0x238, 0), + OWL_GPIO_PORT(D, 0x0024, 30, 0x0, 0x4, 0x8, 0x524, 0x1FC, 0x200, 0x234, 0), + OWL_GPIO_PORT(E, 0x0030, 32, 0x0, 0x4, 0x8, 0x51C, 0x1F8, 0x1FC, 0x230, 0), + OWL_GPIO_PORT(F, 0x00F0, 8, 0x0, 0x4, 0x8, 0x460, 0x140, 0x144, 0x178, 0) }; +enum s900_pinconf_pull { + OWL_PINCONF_PULL_HIZ, + OWL_PINCONF_PULL_DOWN, + OWL_PINCONF_PULL_UP, + OWL_PINCONF_PULL_HOLD, +}; + +static int s900_pad_pinconf_arg2val(const struct owl_padinfo *info, + unsigned int param, + u32 *arg) +{ + switch (param) { + case PIN_CONFIG_BIAS_BUS_HOLD: + *arg = OWL_PINCONF_PULL_HOLD; + break; + case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + *arg = OWL_PINCONF_PULL_HIZ; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + *arg = OWL_PINCONF_PULL_DOWN; + break; + case PIN_CONFIG_BIAS_PULL_UP: + *arg = OWL_PINCONF_PULL_UP; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + *arg = (*arg >= 1 ? 1 : 0); + break; + default: + return -ENOTSUPP; + } + + return 0; +} + +static int s900_pad_pinconf_val2arg(const struct owl_padinfo *padinfo, + unsigned int param, + u32 *arg) +{ + switch (param) { + case PIN_CONFIG_BIAS_BUS_HOLD: + *arg = *arg == OWL_PINCONF_PULL_HOLD; + break; + case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + *arg = *arg == OWL_PINCONF_PULL_HIZ; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + *arg = *arg == OWL_PINCONF_PULL_DOWN; + break; + case PIN_CONFIG_BIAS_PULL_UP: + *arg = *arg == OWL_PINCONF_PULL_UP; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + *arg = *arg == 1; + break; + default: + return -ENOTSUPP; + } + + return 0; +} + static struct owl_pinctrl_soc_data s900_pinctrl_data = { .padinfo = s900_padinfo, .pins = (const struct pinctrl_pin_desc *)s900_pads, @@ -1854,7 +1789,9 @@ static struct owl_pinctrl_soc_data s900_pinctrl_data = { .ngroups = ARRAY_SIZE(s900_groups), .ngpios = NUM_GPIOS, .ports = s900_gpio_ports, - .nports = ARRAY_SIZE(s900_gpio_ports) + .nports = ARRAY_SIZE(s900_gpio_ports), + .padctl_arg2val = s900_pad_pinconf_arg2val, + .padctl_val2arg = s900_pad_pinconf_val2arg, }; static int s900_pinctrl_probe(struct platform_device *pdev) |