From c22df08c7ffbfb281b0e5dff3fff4e192d1a7863 Mon Sep 17 00:00:00 2001 From: Jean-Nicolas Graux Date: Thu, 27 Sep 2012 15:38:50 +0200 Subject: pinctrl/nomadik: support other alternate-C functions Upgrade nomadik pinctrl driver to enable selection of other alternate-C[1-4] functions on some specific ux500 SoC pins. Handling of those functions is done thanks to PRCM GPIOCR registers. This was previously managed in PRCMU driver and it was not really convenient. Idea is to provide a common way to control all alternate functions. Note that this improvement does not support the old-fashioned way used to control nomadik pins, namely the "nmk_config_pin()" function and its derivatives. Signed-off-by: Jean-Nicolas Graux Reviewed-by: Philippe Langlais Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-nomadik-db8500.c | 289 ++++++++++++++++++++++++++++++- 1 file changed, 285 insertions(+), 4 deletions(-) (limited to 'drivers/pinctrl/pinctrl-nomadik-db8500.c') diff --git a/drivers/pinctrl/pinctrl-nomadik-db8500.c b/drivers/pinctrl/pinctrl-nomadik-db8500.c index ec6209dd7c39..debaa75b0552 100644 --- a/drivers/pinctrl/pinctrl-nomadik-db8500.c +++ b/drivers/pinctrl/pinctrl-nomadik-db8500.c @@ -725,10 +725,10 @@ static const struct nmk_pingroup nmk_db8500_groups[] = { DB8500_PIN_GROUP(spi0_c_1, NMK_GPIO_ALT_C), DB8500_PIN_GROUP(usbsim_c_2, NMK_GPIO_ALT_C), DB8500_PIN_GROUP(i2c3_c_2, NMK_GPIO_ALT_C), - /* Other alt C1 column, these are still configured as alt C */ - DB8500_PIN_GROUP(kp_oc1_1, NMK_GPIO_ALT_C), - DB8500_PIN_GROUP(spi2_oc1_1, NMK_GPIO_ALT_C), - DB8500_PIN_GROUP(spi2_oc1_2, NMK_GPIO_ALT_C), + /* Other alt C1 column */ + DB8500_PIN_GROUP(kp_oc1_1, NMK_GPIO_ALT_C1), + DB8500_PIN_GROUP(spi2_oc1_1, NMK_GPIO_ALT_C1), + DB8500_PIN_GROUP(spi2_oc1_2, NMK_GPIO_ALT_C1), }; /* We use this macro to define the groups applicable to a function */ @@ -860,6 +860,284 @@ static const struct nmk_function nmk_db8500_functions[] = { FUNCTION(spi2), }; +static const struct prcm_gpiocr_altcx_pin_desc db8500_altcx_pins[] = { + PRCM_GPIOCR_ALTCX(23, true, PRCM_IDX_GPIOCR1, 9, /* STMAPE_CLK_a */ + true, PRCM_IDX_GPIOCR1, 7, /* SBAG_CLK_a */ + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(24, true, PRCM_IDX_GPIOCR1, 9, /* STMAPE or U2_RXD ??? */ + true, PRCM_IDX_GPIOCR1, 7, /* SBAG_VAL_a */ + true, PRCM_IDX_GPIOCR1, 10, /* STM_MOD_CMD0 */ + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(25, true, PRCM_IDX_GPIOCR1, 9, /* STMAPE_DAT_a[0] */ + true, PRCM_IDX_GPIOCR1, 7, /* SBAG_D_a[0] */ + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(26, true, PRCM_IDX_GPIOCR1, 9, /* STMAPE_DAT_a[1] */ + true, PRCM_IDX_GPIOCR1, 7, /* SBAG_D_a[1] */ + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(27, true, PRCM_IDX_GPIOCR1, 9, /* STMAPE_DAT_a[2] */ + true, PRCM_IDX_GPIOCR1, 7, /* SBAG_D_a[2] */ + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(28, true, PRCM_IDX_GPIOCR1, 9, /* STMAPE_DAT_a[3] */ + true, PRCM_IDX_GPIOCR1, 7, /* SBAG_D_a[3] */ + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(29, false, 0, 0, + false, 0, 0, + true, PRCM_IDX_GPIOCR1, 10, /* STM_MOD_CMD0 */ + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(30, false, 0, 0, + false, 0, 0, + true, PRCM_IDX_GPIOCR1, 10, /* STM_MOD_CMD0 */ + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(31, false, 0, 0, + false, 0, 0, + true, PRCM_IDX_GPIOCR1, 10, /* STM_MOD_CMD0 */ + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(32, false, 0, 0, + false, 0, 0, + true, PRCM_IDX_GPIOCR1, 10, /* STM_MOD_CMD0 */ + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(68, true, PRCM_IDX_GPIOCR1, 18, /* REMAP_SELECT_ON */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(69, true, PRCM_IDX_GPIOCR1, 18, /* REMAP_SELECT_ON */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(70, true, PRCM_IDX_GPIOCR1, 5, /* PTM_A9_D23 */ + true, PRCM_IDX_GPIOCR2, 2, /* DBG_ETM_R4_CMD0 */ + true, PRCM_IDX_GPIOCR1, 11, /* STM_MOD_CMD1 */ + true, PRCM_IDX_GPIOCR1, 8 /* SBAG_CLK */ + ), + PRCM_GPIOCR_ALTCX(71, true, PRCM_IDX_GPIOCR1, 5, /* PTM_A9_D22 */ + true, PRCM_IDX_GPIOCR2, 2, /* DBG_ETM_R4_CMD0 */ + true, PRCM_IDX_GPIOCR1, 11, /* STM_MOD_CMD1 */ + true, PRCM_IDX_GPIOCR1, 8 /* SBAG_D3 */ + ), + PRCM_GPIOCR_ALTCX(72, true, PRCM_IDX_GPIOCR1, 5, /* PTM_A9_D21 */ + true, PRCM_IDX_GPIOCR2, 2, /* DBG_ETM_R4_CMD0 */ + true, PRCM_IDX_GPIOCR1, 11, /* STM_MOD_CMD1 */ + true, PRCM_IDX_GPIOCR1, 8 /* SBAG_D2 */ + ), + PRCM_GPIOCR_ALTCX(73, true, PRCM_IDX_GPIOCR1, 5, /* PTM_A9_D20 */ + true, PRCM_IDX_GPIOCR2, 2, /* DBG_ETM_R4_CMD0 */ + true, PRCM_IDX_GPIOCR1, 11, /* STM_MOD_CMD1 */ + true, PRCM_IDX_GPIOCR1, 8 /* SBAG_D1 */ + ), + PRCM_GPIOCR_ALTCX(74, true, PRCM_IDX_GPIOCR1, 5, /* PTM_A9_D19 */ + true, PRCM_IDX_GPIOCR2, 2, /* DBG_ETM_R4_CMD0 */ + true, PRCM_IDX_GPIOCR1, 11, /* STM_MOD_CMD1 */ + true, PRCM_IDX_GPIOCR1, 8 /* SBAG_D0 */ + ), + PRCM_GPIOCR_ALTCX(75, true, PRCM_IDX_GPIOCR1, 5, /* PTM_A9_D18 */ + true, PRCM_IDX_GPIOCR2, 2, /* DBG_ETM_R4_CMD0 */ + true, PRCM_IDX_GPIOCR1, 0, /* DBG_UARTMOD_CMD0 */ + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(76, true, PRCM_IDX_GPIOCR1, 5, /* PTM_A9_D17 */ + true, PRCM_IDX_GPIOCR2, 2, /* DBG_ETM_R4_CMD0 */ + true, PRCM_IDX_GPIOCR1, 0, /* DBG_UARTMOD_CMD0 */ + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(77, true, PRCM_IDX_GPIOCR1, 5, /* PTM_A9_D16 */ + true, PRCM_IDX_GPIOCR2, 2, /* DBG_ETM_R4_CMD0 */ + false, 0, 0, + true, PRCM_IDX_GPIOCR1, 8 /* SBAG_VAL */ + ), + PRCM_GPIOCR_ALTCX(86, true, PRCM_IDX_GPIOCR1, 12, /* KP_O3 */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(87, true, PRCM_IDX_GPIOCR1, 12, /* KP_O2 */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(88, true, PRCM_IDX_GPIOCR1, 12, /* KP_I3 */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(89, true, PRCM_IDX_GPIOCR1, 12, /* KP_I2 */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(90, true, PRCM_IDX_GPIOCR1, 12, /* KP_O1 */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(91, true, PRCM_IDX_GPIOCR1, 12, /* KP_O0 */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(92, true, PRCM_IDX_GPIOCR1, 12, /* KP_I1 */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(93, true, PRCM_IDX_GPIOCR1, 12, /* KP_I0 */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(96, true, PRCM_IDX_GPIOCR2, 3, /* RF_INT */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(97, true, PRCM_IDX_GPIOCR2, 1, /* RF_CTRL */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(151, false, 0, 0, + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_CTL */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS17 */ + ), + PRCM_GPIOCR_ALTCX(152, true, PRCM_IDX_GPIOCR1, 4, /* Hx_CLK */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_CLK */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS16 */ + ), + PRCM_GPIOCR_ALTCX(153, true, PRCM_IDX_GPIOCR1, 1, /* UARTMOD_CMD1 */ + true, PRCM_IDX_GPIOCR1, 14, /* PTM_A9_D15 */ + true, PRCM_IDX_GPIOCR1, 19, /* DBG_ETM_R4_CMD2 */ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS15 */ + ), + PRCM_GPIOCR_ALTCX(154, true, PRCM_IDX_GPIOCR1, 1, /* UARTMOD_CMD1 */ + true, PRCM_IDX_GPIOCR1, 14, /* PTM_A9_D14 */ + true, PRCM_IDX_GPIOCR1, 19, /* DBG_ETM_R4_CMD2 */ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS14 */ + ), + PRCM_GPIOCR_ALTCX(155, true, PRCM_IDX_GPIOCR1, 13, /* STM_MOD_CMD2 */ + true, PRCM_IDX_GPIOCR1, 14, /* PTM_A9_D13 */ + true, PRCM_IDX_GPIOCR1, 19, /* DBG_ETM_R4_CMD2 */ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS13 */ + ), + PRCM_GPIOCR_ALTCX(156, true, PRCM_IDX_GPIOCR1, 13, /* STM_MOD_CMD2 */ + true, PRCM_IDX_GPIOCR1, 14, /* PTM_A9_D12 */ + true, PRCM_IDX_GPIOCR1, 19, /* DBG_ETM_R4_CMD2 */ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS12 */ + ), + PRCM_GPIOCR_ALTCX(157, true, PRCM_IDX_GPIOCR1, 13, /* STM_MOD_CMD2 */ + true, PRCM_IDX_GPIOCR1, 14, /* PTM_A9_D11 */ + true, PRCM_IDX_GPIOCR1, 19, /* DBG_ETM_R4_CMD2 */ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS11 */ + ), + PRCM_GPIOCR_ALTCX(158, true, PRCM_IDX_GPIOCR1, 13, /* STM_MOD_CMD2 */ + true, PRCM_IDX_GPIOCR1, 14, /* PTM_A9_D10 */ + true, PRCM_IDX_GPIOCR1, 19, /* DBG_ETM_R4_CMD2 */ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS10 */ + ), + PRCM_GPIOCR_ALTCX(159, true, PRCM_IDX_GPIOCR1, 13, /* STM_MOD_CMD2 */ + true, PRCM_IDX_GPIOCR1, 14, /* PTM_A9_D9 */ + true, PRCM_IDX_GPIOCR1, 19, /* DBG_ETM_R4_CMD2 */ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS9 */ + ), + PRCM_GPIOCR_ALTCX(160, false, 0, 0, + true, PRCM_IDX_GPIOCR1, 14, /* PTM_A9_D8 */ + true, PRCM_IDX_GPIOCR1, 19, /* DBG_ETM_R4_CMD2 */ + true, PRCM_IDX_GPIOCR1, 25 /* HW_OBS8 */ + ), + PRCM_GPIOCR_ALTCX(161, true, PRCM_IDX_GPIOCR1, 4, /* Hx_GPIO7 */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_D7 */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 24 /* HW_OBS7 */ + ), + PRCM_GPIOCR_ALTCX(162, true, PRCM_IDX_GPIOCR1, 4, /* Hx_GPIO6 */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_D6 */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 24 /* HW_OBS6 */ + ), + PRCM_GPIOCR_ALTCX(163, true, PRCM_IDX_GPIOCR1, 4, /* Hx_GPIO5 */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_D5 */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 24 /* HW_OBS5 */ + ), + PRCM_GPIOCR_ALTCX(164, true, PRCM_IDX_GPIOCR1, 4, /* Hx_GPIO4 */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_D4 */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 24 /* HW_OBS4 */ + ), + PRCM_GPIOCR_ALTCX(165, true, PRCM_IDX_GPIOCR1, 4, /* Hx_GPIO3 */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_D3 */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 24 /* HW_OBS3 */ + ), + PRCM_GPIOCR_ALTCX(166, true, PRCM_IDX_GPIOCR1, 4, /* Hx_GPIO2 */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_D2 */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 24 /* HW_OBS2 */ + ), + PRCM_GPIOCR_ALTCX(167, true, PRCM_IDX_GPIOCR1, 4, /* Hx_GPIO1 */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_D1 */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 24 /* HW_OBS1 */ + ), + PRCM_GPIOCR_ALTCX(168, true, PRCM_IDX_GPIOCR1, 4, /* Hx_GPIO0 */ + true, PRCM_IDX_GPIOCR1, 6, /* PTM_A9_D0 */ + true, PRCM_IDX_GPIOCR1, 15, /* DBG_ETM_R4_CMD1*/ + true, PRCM_IDX_GPIOCR1, 24 /* HW_OBS0 */ + ), + PRCM_GPIOCR_ALTCX(170, true, PRCM_IDX_GPIOCR2, 2, /* RF_INT */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(171, true, PRCM_IDX_GPIOCR2, 0, /* RF_CTRL */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(215, true, PRCM_IDX_GPIOCR1, 23, /* SPI2_TXD */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(216, true, PRCM_IDX_GPIOCR1, 23, /* SPI2_FRM */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(217, true, PRCM_IDX_GPIOCR1, 23, /* SPI2_CLK */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), + PRCM_GPIOCR_ALTCX(218, true, PRCM_IDX_GPIOCR1, 23, /* SPI2_RXD */ + false, 0, 0, + false, 0, 0, + false, 0, 0 + ), +}; + +static const u16 db8500_prcm_gpiocr_regs[] = { + [PRCM_IDX_GPIOCR1] = 0x138, + [PRCM_IDX_GPIOCR2] = 0x574, +}; + static const struct nmk_pinctrl_soc_data nmk_db8500_soc = { .gpio_ranges = nmk_db8500_ranges, .gpio_num_ranges = ARRAY_SIZE(nmk_db8500_ranges), @@ -869,6 +1147,9 @@ static const struct nmk_pinctrl_soc_data nmk_db8500_soc = { .nfunctions = ARRAY_SIZE(nmk_db8500_functions), .groups = nmk_db8500_groups, .ngroups = ARRAY_SIZE(nmk_db8500_groups), + .altcx_pins = db8500_altcx_pins, + .npins_altcx = ARRAY_SIZE(db8500_altcx_pins), + .prcm_gpiocr_registers = db8500_prcm_gpiocr_regs, }; void __devinit -- cgit v1.2.3