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author | Andrew Jeffery <andrew@aj.id.au> | 2017-04-07 22:27:13 +0930 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2017-04-24 14:55:50 +0200 |
commit | d0639d39fe977608a60e45fb51e25c17661a7ec0 (patch) | |
tree | 8088f10fc4c9e9a510143eff8cc574944ed65866 /drivers/pinctrl/aspeed | |
parent | 47b50b3743cd6a9c2a90372181cfc9ee5b10186d (diff) | |
download | linux-d0639d39fe977608a60e45fb51e25c17661a7ec0.tar.gz linux-d0639d39fe977608a60e45fb51e25c17661a7ec0.tar.bz2 linux-d0639d39fe977608a60e45fb51e25c17661a7ec0.zip |
pinctrl: aspeed: g5: Add pinconf support
Testing for pinctrl-aspeed-g5 was performed on an AST2500EVB system,
using the strategy outlined in the commit message for the change to the
Aspeed pinctrl core.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/aspeed')
-rw-r--r-- | drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c | 153 |
1 files changed, 152 insertions, 1 deletions
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c index 43221a3c7e23..68aa04664a62 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c @@ -2285,6 +2285,146 @@ static const struct aspeed_pin_function aspeed_g5_functions[] = { ASPEED_PINCTRL_FUNC(WDTRST2), }; +static struct aspeed_pin_config aspeed_g5_configs[] = { + /* GPIOA, GPIOQ */ + { PIN_CONFIG_BIAS_PULL_DOWN, { B14, B13 }, SCU8C, 16 }, + { PIN_CONFIG_BIAS_DISABLE, { B14, B13 }, SCU8C, 16 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { A11, N20 }, SCU8C, 16 }, + { PIN_CONFIG_BIAS_DISABLE, { A11, N20 }, SCU8C, 16 }, + + /* GPIOB, GPIOR */ + { PIN_CONFIG_BIAS_PULL_DOWN, { K19, H20 }, SCU8C, 17 }, + { PIN_CONFIG_BIAS_DISABLE, { K19, H20 }, SCU8C, 17 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { AA19, E10 }, SCU8C, 17 }, + { PIN_CONFIG_BIAS_DISABLE, { AA19, E10 }, SCU8C, 17 }, + + /* GPIOC, GPIOS*/ + { PIN_CONFIG_BIAS_PULL_DOWN, { C12, B11 }, SCU8C, 18 }, + { PIN_CONFIG_BIAS_DISABLE, { C12, B11 }, SCU8C, 18 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { V20, AA20 }, SCU8C, 18 }, + { PIN_CONFIG_BIAS_DISABLE, { V20, AA20 }, SCU8C, 18 }, + + /* GPIOD, GPIOY */ + { PIN_CONFIG_BIAS_PULL_DOWN, { F19, C21 }, SCU8C, 19 }, + { PIN_CONFIG_BIAS_DISABLE, { F19, C21 }, SCU8C, 19 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { R22, P20 }, SCU8C, 19 }, + { PIN_CONFIG_BIAS_DISABLE, { R22, P20 }, SCU8C, 19 }, + + /* GPIOE, GPIOZ */ + { PIN_CONFIG_BIAS_PULL_DOWN, { B20, B19 }, SCU8C, 20 }, + { PIN_CONFIG_BIAS_DISABLE, { B20, B19 }, SCU8C, 20 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { Y20, W21 }, SCU8C, 20 }, + { PIN_CONFIG_BIAS_DISABLE, { Y20, W21 }, SCU8C, 20 }, + + /* GPIOF, GPIOAA */ + { PIN_CONFIG_BIAS_PULL_DOWN, { J19, H18 }, SCU8C, 21 }, + { PIN_CONFIG_BIAS_DISABLE, { J19, H18 }, SCU8C, 21 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { Y21, P19 }, SCU8C, 21 }, + { PIN_CONFIG_BIAS_DISABLE, { Y21, P19 }, SCU8C, 21 }, + + /* GPIOG, GPIOAB */ + { PIN_CONFIG_BIAS_PULL_DOWN, { A19, E14 }, SCU8C, 22 }, + { PIN_CONFIG_BIAS_DISABLE, { A19, E14 }, SCU8C, 22 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { N19, R20 }, SCU8C, 22 }, + { PIN_CONFIG_BIAS_DISABLE, { N19, R20 }, SCU8C, 22 }, + + /* GPIOH, GPIOAC */ + { PIN_CONFIG_BIAS_PULL_DOWN, { A18, D18 }, SCU8C, 23 }, + { PIN_CONFIG_BIAS_DISABLE, { A18, D18 }, SCU8C, 23 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { G21, G22 }, SCU8C, 23 }, + { PIN_CONFIG_BIAS_DISABLE, { G21, G22 }, SCU8C, 23 }, + + /* GPIOs [I, P] */ + { PIN_CONFIG_BIAS_PULL_DOWN, { C18, A15 }, SCU8C, 24 }, + { PIN_CONFIG_BIAS_DISABLE, { C18, A15 }, SCU8C, 24 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { R2, T3 }, SCU8C, 25 }, + { PIN_CONFIG_BIAS_DISABLE, { R2, T3 }, SCU8C, 25 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { L3, R1 }, SCU8C, 26 }, + { PIN_CONFIG_BIAS_DISABLE, { L3, R1 }, SCU8C, 26 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { T2, W1 }, SCU8C, 27 }, + { PIN_CONFIG_BIAS_DISABLE, { T2, W1 }, SCU8C, 27 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { Y1, T5 }, SCU8C, 28 }, + { PIN_CONFIG_BIAS_DISABLE, { Y1, T5 }, SCU8C, 28 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { V2, T4 }, SCU8C, 29 }, + { PIN_CONFIG_BIAS_DISABLE, { V2, T4 }, SCU8C, 29 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { U5, W4 }, SCU8C, 30 }, + { PIN_CONFIG_BIAS_DISABLE, { U5, W4 }, SCU8C, 30 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { V4, V6 }, SCU8C, 31 }, + { PIN_CONFIG_BIAS_DISABLE, { V4, V6 }, SCU8C, 31 }, + + /* GPIOs T[0-5] (RGMII1 Tx pins) */ + { PIN_CONFIG_DRIVE_STRENGTH, { B5, B5 }, SCU90, 8 }, + { PIN_CONFIG_DRIVE_STRENGTH, { E9, A5 }, SCU90, 9 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { B5, D7 }, SCU90, 12 }, + { PIN_CONFIG_BIAS_DISABLE, { B5, D7 }, SCU90, 12 }, + + /* GPIOs T[6-7], U[0-3] (RGMII2 TX pins) */ + { PIN_CONFIG_DRIVE_STRENGTH, { B2, B2 }, SCU90, 10 }, + { PIN_CONFIG_DRIVE_STRENGTH, { B1, B3 }, SCU90, 11 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { B2, D4 }, SCU90, 14 }, + { PIN_CONFIG_BIAS_DISABLE, { B2, D4 }, SCU90, 14 }, + + /* GPIOs U[4-7], V[0-1] (RGMII1 Rx pins) */ + { PIN_CONFIG_BIAS_PULL_DOWN, { B4, C4 }, SCU90, 13 }, + { PIN_CONFIG_BIAS_DISABLE, { B4, C4 }, SCU90, 13 }, + + /* GPIOs V[2-7] (RGMII2 Rx pins) */ + { PIN_CONFIG_BIAS_PULL_DOWN, { C2, E6 }, SCU90, 15 }, + { PIN_CONFIG_BIAS_DISABLE, { C2, E6 }, SCU90, 15 }, + + /* ADC pull-downs (SCUA8[19:4]) */ + { PIN_CONFIG_BIAS_PULL_DOWN, { F4, F4 }, SCUA8, 4 }, + { PIN_CONFIG_BIAS_DISABLE, { F4, F4 }, SCUA8, 4 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { F5, F5 }, SCUA8, 5 }, + { PIN_CONFIG_BIAS_DISABLE, { F5, F5 }, SCUA8, 5 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { E2, E2 }, SCUA8, 6 }, + { PIN_CONFIG_BIAS_DISABLE, { E2, E2 }, SCUA8, 6 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { E1, E1 }, SCUA8, 7 }, + { PIN_CONFIG_BIAS_DISABLE, { E1, E1 }, SCUA8, 7 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { F3, F3 }, SCUA8, 8 }, + { PIN_CONFIG_BIAS_DISABLE, { F3, F3 }, SCUA8, 8 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { E3, E3 }, SCUA8, 9 }, + { PIN_CONFIG_BIAS_DISABLE, { E3, E3 }, SCUA8, 9 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { G5, G5 }, SCUA8, 10 }, + { PIN_CONFIG_BIAS_DISABLE, { G5, G5 }, SCUA8, 10 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { G4, G4 }, SCUA8, 11 }, + { PIN_CONFIG_BIAS_DISABLE, { G4, G4 }, SCUA8, 11 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { F2, F2 }, SCUA8, 12 }, + { PIN_CONFIG_BIAS_DISABLE, { F2, F2 }, SCUA8, 12 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { G3, G3 }, SCUA8, 13 }, + { PIN_CONFIG_BIAS_DISABLE, { G3, G3 }, SCUA8, 13 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { G2, G2 }, SCUA8, 14 }, + { PIN_CONFIG_BIAS_DISABLE, { G2, G2 }, SCUA8, 14 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { F1, F1 }, SCUA8, 15 }, + { PIN_CONFIG_BIAS_DISABLE, { F1, F1 }, SCUA8, 15 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { H5, H5 }, SCUA8, 16 }, + { PIN_CONFIG_BIAS_DISABLE, { H5, H5 }, SCUA8, 16 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { G1, G1 }, SCUA8, 17 }, + { PIN_CONFIG_BIAS_DISABLE, { G1, G1 }, SCUA8, 17 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { H3, H3 }, SCUA8, 18 }, + { PIN_CONFIG_BIAS_DISABLE, { H3, H3 }, SCUA8, 18 }, + { PIN_CONFIG_BIAS_PULL_DOWN, { H4, H4 }, SCUA8, 19 }, + { PIN_CONFIG_BIAS_DISABLE, { H4, H4 }, SCUA8, 19 }, + + /* + * Debounce settings for GPIOs D and E passthrough mode are in + * SCUA8[27:20] and so are managed by pinctrl. Normal GPIO debounce for + * banks D and E is handled by the GPIO driver - GPIO passthrough is + * treated like any other non-GPIO mux function. There is a catch + * however, in that the debounce period is configured in the GPIO + * controller. Due to this tangle between GPIO and pinctrl we don't yet + * fully support pass-through debounce. + */ + { PIN_CONFIG_INPUT_DEBOUNCE, { F19, E21 }, SCUA8, 20 }, + { PIN_CONFIG_INPUT_DEBOUNCE, { F20, D20 }, SCUA8, 21 }, + { PIN_CONFIG_INPUT_DEBOUNCE, { D21, E20 }, SCUA8, 22 }, + { PIN_CONFIG_INPUT_DEBOUNCE, { G18, C21 }, SCUA8, 23 }, + { PIN_CONFIG_INPUT_DEBOUNCE, { B20, C20 }, SCUA8, 24 }, + { PIN_CONFIG_INPUT_DEBOUNCE, { F18, F17 }, SCUA8, 25 }, + { PIN_CONFIG_INPUT_DEBOUNCE, { E18, D19 }, SCUA8, 26 }, + { PIN_CONFIG_INPUT_DEBOUNCE, { A20, B19 }, SCUA8, 27 }, +}; + static struct aspeed_pinctrl_data aspeed_g5_pinctrl_data = { .pins = aspeed_g5_pins, .npins = ARRAY_SIZE(aspeed_g5_pins), @@ -2292,6 +2432,8 @@ static struct aspeed_pinctrl_data aspeed_g5_pinctrl_data = { .ngroups = ARRAY_SIZE(aspeed_g5_groups), .functions = aspeed_g5_functions, .nfunctions = ARRAY_SIZE(aspeed_g5_functions), + .configs = aspeed_g5_configs, + .nconfigs = ARRAY_SIZE(aspeed_g5_configs), }; static struct pinmux_ops aspeed_g5_pinmux_ops = { @@ -2308,16 +2450,25 @@ static struct pinctrl_ops aspeed_g5_pinctrl_ops = { .get_group_name = aspeed_pinctrl_get_group_name, .get_group_pins = aspeed_pinctrl_get_group_pins, .pin_dbg_show = aspeed_pinctrl_pin_dbg_show, - .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, + .dt_node_to_map = pinconf_generic_dt_node_to_map_all, .dt_free_map = pinctrl_utils_free_map, }; +static struct pinconf_ops aspeed_g5_conf_ops = { + .is_generic = true, + .pin_config_get = aspeed_pin_config_get, + .pin_config_set = aspeed_pin_config_set, + .pin_config_group_get = aspeed_pin_config_group_get, + .pin_config_group_set = aspeed_pin_config_group_set, +}; + static struct pinctrl_desc aspeed_g5_pinctrl_desc = { .name = "aspeed-g5-pinctrl", .pins = aspeed_g5_pins, .npins = ARRAY_SIZE(aspeed_g5_pins), .pctlops = &aspeed_g5_pinctrl_ops, .pmxops = &aspeed_g5_pinmux_ops, + .confops = &aspeed_g5_conf_ops, }; static int aspeed_g5_pinctrl_probe(struct platform_device *pdev) |