diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-ocelot.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-ocelot.c | 486 |
1 files changed, 472 insertions, 14 deletions
diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index 0a36ec8775a3..fc969208d904 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -57,16 +57,71 @@ enum { #define OCELOT_FUNC_PER_PIN 4 enum { + FUNC_CAN0_a, + FUNC_CAN0_b, + FUNC_CAN1, FUNC_NONE, + FUNC_FC0_a, + FUNC_FC0_b, + FUNC_FC0_c, + FUNC_FC1_a, + FUNC_FC1_b, + FUNC_FC1_c, + FUNC_FC2_a, + FUNC_FC2_b, + FUNC_FC3_a, + FUNC_FC3_b, + FUNC_FC3_c, + FUNC_FC4_a, + FUNC_FC4_b, + FUNC_FC4_c, + FUNC_FC_SHRD0, + FUNC_FC_SHRD1, + FUNC_FC_SHRD2, + FUNC_FC_SHRD3, + FUNC_FC_SHRD4, + FUNC_FC_SHRD5, + FUNC_FC_SHRD6, + FUNC_FC_SHRD7, + FUNC_FC_SHRD8, + FUNC_FC_SHRD9, + FUNC_FC_SHRD10, + FUNC_FC_SHRD11, + FUNC_FC_SHRD12, + FUNC_FC_SHRD13, + FUNC_FC_SHRD14, + FUNC_FC_SHRD15, + FUNC_FC_SHRD16, + FUNC_FC_SHRD17, + FUNC_FC_SHRD18, + FUNC_FC_SHRD19, + FUNC_FC_SHRD20, FUNC_GPIO, + FUNC_IB_TRG_a, + FUNC_IB_TRG_b, + FUNC_IB_TRG_c, FUNC_IRQ0, + FUNC_IRQ_IN_a, + FUNC_IRQ_IN_b, + FUNC_IRQ_IN_c, FUNC_IRQ0_IN, + FUNC_IRQ_OUT_a, + FUNC_IRQ_OUT_b, + FUNC_IRQ_OUT_c, FUNC_IRQ0_OUT, FUNC_IRQ1, FUNC_IRQ1_IN, FUNC_IRQ1_OUT, FUNC_EXT_IRQ, FUNC_MIIM, + FUNC_MIIM_a, + FUNC_MIIM_b, + FUNC_MIIM_c, + FUNC_MIIM_Sa, + FUNC_MIIM_Sb, + FUNC_OB_TRG, + FUNC_OB_TRG_a, + FUNC_OB_TRG_b, FUNC_PHY_LED, FUNC_PCI_WAKE, FUNC_MD, @@ -74,65 +129,174 @@ enum { FUNC_PTP1, FUNC_PTP2, FUNC_PTP3, + FUNC_PTPSYNC_1, + FUNC_PTPSYNC_2, + FUNC_PTPSYNC_3, + FUNC_PTPSYNC_4, + FUNC_PTPSYNC_5, + FUNC_PTPSYNC_6, + FUNC_PTPSYNC_7, FUNC_PWM, + FUNC_QSPI1, + FUNC_QSPI2, + FUNC_R, + FUNC_RECO_a, + FUNC_RECO_b, FUNC_RECO_CLK, + FUNC_SD, FUNC_SFP, + FUNC_SFP_SD, FUNC_SG0, FUNC_SG1, FUNC_SG2, + FUNC_SGPIO_a, + FUNC_SGPIO_b, FUNC_SI, FUNC_SI2, FUNC_TACHO, + FUNC_TACHO_a, + FUNC_TACHO_b, FUNC_TWI, FUNC_TWI2, FUNC_TWI3, FUNC_TWI_SCL_M, + FUNC_TWI_SLC_GATE, + FUNC_TWI_SLC_GATE_AD, FUNC_UART, FUNC_UART2, FUNC_UART3, + FUNC_USB_H_a, + FUNC_USB_H_b, + FUNC_USB_H_c, + FUNC_USB_S_a, + FUNC_USB_S_b, + FUNC_USB_S_c, FUNC_PLL_STAT, FUNC_EMMC, + FUNC_EMMC_SD, FUNC_REF_CLK, FUNC_RCVRD_CLK, FUNC_MAX }; static const char *const ocelot_function_names[] = { + [FUNC_CAN0_a] = "can0_a", + [FUNC_CAN0_b] = "can0_b", + [FUNC_CAN1] = "can1", [FUNC_NONE] = "none", + [FUNC_FC0_a] = "fc0_a", + [FUNC_FC0_b] = "fc0_b", + [FUNC_FC0_c] = "fc0_c", + [FUNC_FC1_a] = "fc1_a", + [FUNC_FC1_b] = "fc1_b", + [FUNC_FC1_c] = "fc1_c", + [FUNC_FC2_a] = "fc2_a", + [FUNC_FC2_b] = "fc2_b", + [FUNC_FC3_a] = "fc3_a", + [FUNC_FC3_b] = "fc3_b", + [FUNC_FC3_c] = "fc3_c", + [FUNC_FC4_a] = "fc4_a", + [FUNC_FC4_b] = "fc4_b", + [FUNC_FC4_c] = "fc4_c", + [FUNC_FC_SHRD0] = "fc_shrd0", + [FUNC_FC_SHRD1] = "fc_shrd1", + [FUNC_FC_SHRD2] = "fc_shrd2", + [FUNC_FC_SHRD3] = "fc_shrd3", + [FUNC_FC_SHRD4] = "fc_shrd4", + [FUNC_FC_SHRD5] = "fc_shrd5", + [FUNC_FC_SHRD6] = "fc_shrd6", + [FUNC_FC_SHRD7] = "fc_shrd7", + [FUNC_FC_SHRD8] = "fc_shrd8", + [FUNC_FC_SHRD9] = "fc_shrd9", + [FUNC_FC_SHRD10] = "fc_shrd10", + [FUNC_FC_SHRD11] = "fc_shrd11", + [FUNC_FC_SHRD12] = "fc_shrd12", + [FUNC_FC_SHRD13] = "fc_shrd13", + [FUNC_FC_SHRD14] = "fc_shrd14", + [FUNC_FC_SHRD15] = "fc_shrd15", + [FUNC_FC_SHRD16] = "fc_shrd16", + [FUNC_FC_SHRD17] = "fc_shrd17", + [FUNC_FC_SHRD18] = "fc_shrd18", + [FUNC_FC_SHRD19] = "fc_shrd19", + [FUNC_FC_SHRD20] = "fc_shrd20", [FUNC_GPIO] = "gpio", + [FUNC_IB_TRG_a] = "ib_trig_a", + [FUNC_IB_TRG_b] = "ib_trig_b", + [FUNC_IB_TRG_c] = "ib_trig_c", [FUNC_IRQ0] = "irq0", + [FUNC_IRQ_IN_a] = "irq_in_a", + [FUNC_IRQ_IN_b] = "irq_in_b", + [FUNC_IRQ_IN_c] = "irq_in_c", [FUNC_IRQ0_IN] = "irq0_in", + [FUNC_IRQ_OUT_a] = "irq_out_a", + [FUNC_IRQ_OUT_b] = "irq_out_b", + [FUNC_IRQ_OUT_c] = "irq_out_c", [FUNC_IRQ0_OUT] = "irq0_out", [FUNC_IRQ1] = "irq1", [FUNC_IRQ1_IN] = "irq1_in", [FUNC_IRQ1_OUT] = "irq1_out", [FUNC_EXT_IRQ] = "ext_irq", [FUNC_MIIM] = "miim", + [FUNC_MIIM_a] = "miim_a", + [FUNC_MIIM_b] = "miim_b", + [FUNC_MIIM_c] = "miim_c", + [FUNC_MIIM_Sa] = "miim_slave_a", + [FUNC_MIIM_Sb] = "miim_slave_b", [FUNC_PHY_LED] = "phy_led", [FUNC_PCI_WAKE] = "pci_wake", [FUNC_MD] = "md", + [FUNC_OB_TRG] = "ob_trig", + [FUNC_OB_TRG_a] = "ob_trig_a", + [FUNC_OB_TRG_b] = "ob_trig_b", [FUNC_PTP0] = "ptp0", [FUNC_PTP1] = "ptp1", [FUNC_PTP2] = "ptp2", [FUNC_PTP3] = "ptp3", + [FUNC_PTPSYNC_1] = "ptpsync_1", + [FUNC_PTPSYNC_2] = "ptpsync_2", + [FUNC_PTPSYNC_3] = "ptpsync_3", + [FUNC_PTPSYNC_4] = "ptpsync_4", + [FUNC_PTPSYNC_5] = "ptpsync_5", + [FUNC_PTPSYNC_6] = "ptpsync_6", + [FUNC_PTPSYNC_7] = "ptpsync_7", [FUNC_PWM] = "pwm", + [FUNC_QSPI1] = "qspi1", + [FUNC_QSPI2] = "qspi2", + [FUNC_R] = "reserved", + [FUNC_RECO_a] = "reco_a", + [FUNC_RECO_b] = "reco_b", [FUNC_RECO_CLK] = "reco_clk", + [FUNC_SD] = "sd", [FUNC_SFP] = "sfp", + [FUNC_SFP_SD] = "sfp_sd", [FUNC_SG0] = "sg0", [FUNC_SG1] = "sg1", [FUNC_SG2] = "sg2", + [FUNC_SGPIO_a] = "sgpio_a", + [FUNC_SGPIO_b] = "sgpio_b", [FUNC_SI] = "si", [FUNC_SI2] = "si2", [FUNC_TACHO] = "tacho", + [FUNC_TACHO_a] = "tacho_a", + [FUNC_TACHO_b] = "tacho_b", [FUNC_TWI] = "twi", [FUNC_TWI2] = "twi2", [FUNC_TWI3] = "twi3", [FUNC_TWI_SCL_M] = "twi_scl_m", + [FUNC_TWI_SLC_GATE] = "twi_slc_gate", + [FUNC_TWI_SLC_GATE_AD] = "twi_slc_gate_ad", + [FUNC_USB_H_a] = "usb_host_a", + [FUNC_USB_H_b] = "usb_host_b", + [FUNC_USB_H_c] = "usb_host_c", + [FUNC_USB_S_a] = "usb_slave_a", + [FUNC_USB_S_b] = "usb_slave_b", + [FUNC_USB_S_c] = "usb_slave_c", [FUNC_UART] = "uart", [FUNC_UART2] = "uart2", [FUNC_UART3] = "uart3", [FUNC_PLL_STAT] = "pll_stat", [FUNC_EMMC] = "emmc", + [FUNC_EMMC_SD] = "emmc_sd", [FUNC_REF_CLK] = "ref_clk", [FUNC_RCVRD_CLK] = "rcvrd_clk", }; @@ -145,6 +309,7 @@ struct ocelot_pmx_func { struct ocelot_pin_caps { unsigned int pin; unsigned char functions[OCELOT_FUNC_PER_PIN]; + unsigned char a_functions[OCELOT_FUNC_PER_PIN]; /* Additional functions */ }; struct ocelot_pinctrl { @@ -152,7 +317,7 @@ struct ocelot_pinctrl { struct pinctrl_dev *pctl; struct gpio_chip gpio_chip; struct regmap *map; - void __iomem *pincfg; + struct regmap *pincfg; struct pinctrl_desc *desc; struct ocelot_pmx_func func[FUNC_MAX]; u8 stride; @@ -676,6 +841,187 @@ static const struct pinctrl_pin_desc sparx5_pins[] = { SPARX5_PIN(63), }; +#define LAN966X_P(p, f0, f1, f2, f3, f4, f5, f6, f7) \ +static struct ocelot_pin_caps lan966x_pin_##p = { \ + .pin = p, \ + .functions = { \ + FUNC_##f0, FUNC_##f1, FUNC_##f2, \ + FUNC_##f3 \ + }, \ + .a_functions = { \ + FUNC_##f4, FUNC_##f5, FUNC_##f6, \ + FUNC_##f7 \ + }, \ +} + +/* Pinmuxing table taken from data sheet */ +/* Pin FUNC0 FUNC1 FUNC2 FUNC3 FUNC4 FUNC5 FUNC6 FUNC7 */ +LAN966X_P(0, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(1, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(2, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(3, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(4, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(5, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(6, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(7, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(8, GPIO, FC0_a, USB_H_b, NONE, USB_S_b, NONE, NONE, R); +LAN966X_P(9, GPIO, FC0_a, USB_H_b, NONE, NONE, NONE, NONE, R); +LAN966X_P(10, GPIO, FC0_a, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(11, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(12, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(13, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(14, GPIO, FC2_a, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(15, GPIO, FC2_a, NONE, NONE, NONE, NONE, NONE, R); +LAN966X_P(16, GPIO, FC2_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R); +LAN966X_P(17, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R); +LAN966X_P(18, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R); +LAN966X_P(19, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R); +LAN966X_P(20, GPIO, FC4_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, NONE, R); +LAN966X_P(21, GPIO, FC4_a, NONE, NONE, OB_TRG_a, NONE, NONE, R); +LAN966X_P(22, GPIO, FC4_a, NONE, NONE, OB_TRG_a, NONE, NONE, R); +LAN966X_P(23, GPIO, NONE, NONE, NONE, OB_TRG_a, NONE, NONE, R); +LAN966X_P(24, GPIO, FC0_b, IB_TRG_a, USB_H_c, OB_TRG_a, IRQ_IN_c, TACHO_a, R); +LAN966X_P(25, GPIO, FC0_b, IB_TRG_a, USB_H_c, OB_TRG_a, IRQ_OUT_c, SFP_SD, R); +LAN966X_P(26, GPIO, FC0_b, IB_TRG_a, USB_S_c, OB_TRG_a, CAN0_a, SFP_SD, R); +LAN966X_P(27, GPIO, NONE, NONE, NONE, OB_TRG_a, CAN0_a, NONE, R); +LAN966X_P(28, GPIO, MIIM_a, NONE, NONE, OB_TRG_a, IRQ_OUT_c, SFP_SD, R); +LAN966X_P(29, GPIO, MIIM_a, NONE, NONE, OB_TRG_a, NONE, NONE, R); +LAN966X_P(30, GPIO, FC3_c, CAN1, NONE, OB_TRG, RECO_b, NONE, R); +LAN966X_P(31, GPIO, FC3_c, CAN1, NONE, OB_TRG, RECO_b, NONE, R); +LAN966X_P(32, GPIO, FC3_c, NONE, SGPIO_a, NONE, MIIM_Sa, NONE, R); +LAN966X_P(33, GPIO, FC1_b, NONE, SGPIO_a, NONE, MIIM_Sa, MIIM_b, R); +LAN966X_P(34, GPIO, FC1_b, NONE, SGPIO_a, NONE, MIIM_Sa, MIIM_b, R); +LAN966X_P(35, GPIO, FC1_b, NONE, SGPIO_a, CAN0_b, NONE, NONE, R); +LAN966X_P(36, GPIO, NONE, PTPSYNC_1, NONE, CAN0_b, NONE, NONE, R); +LAN966X_P(37, GPIO, FC_SHRD0, PTPSYNC_2, TWI_SLC_GATE_AD, NONE, NONE, NONE, R); +LAN966X_P(38, GPIO, NONE, PTPSYNC_3, NONE, NONE, NONE, NONE, R); +LAN966X_P(39, GPIO, NONE, PTPSYNC_4, NONE, NONE, NONE, NONE, R); +LAN966X_P(40, GPIO, FC_SHRD1, PTPSYNC_5, NONE, NONE, NONE, NONE, R); +LAN966X_P(41, GPIO, FC_SHRD2, PTPSYNC_6, TWI_SLC_GATE_AD, NONE, NONE, NONE, R); +LAN966X_P(42, GPIO, FC_SHRD3, PTPSYNC_7, TWI_SLC_GATE_AD, NONE, NONE, NONE, R); +LAN966X_P(43, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, RECO_a, IRQ_IN_a, R); +LAN966X_P(44, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, RECO_a, IRQ_IN_a, R); +LAN966X_P(45, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, NONE, IRQ_IN_a, R); +LAN966X_P(46, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD4, IRQ_IN_a, R); +LAN966X_P(47, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD5, IRQ_IN_a, R); +LAN966X_P(48, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD6, IRQ_IN_a, R); +LAN966X_P(49, GPIO, FC_SHRD7, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, IRQ_IN_a, R); +LAN966X_P(50, GPIO, FC_SHRD16, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, NONE, R); +LAN966X_P(51, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, NONE, IRQ_IN_b, R); +LAN966X_P(52, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TACHO_b, IRQ_IN_b, R); +LAN966X_P(53, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, NONE, IRQ_IN_b, R); +LAN966X_P(54, GPIO, FC_SHRD8, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b, R); +LAN966X_P(55, GPIO, FC_SHRD9, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b, R); +LAN966X_P(56, GPIO, FC4_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, FC_SHRD10, IRQ_IN_b, R); +LAN966X_P(57, GPIO, FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD11, IRQ_IN_b, R); +LAN966X_P(58, GPIO, FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD12, IRQ_IN_b, R); +LAN966X_P(59, GPIO, QSPI1, MIIM_c, NONE, NONE, MIIM_Sb, NONE, R); +LAN966X_P(60, GPIO, QSPI1, MIIM_c, NONE, NONE, MIIM_Sb, NONE, R); +LAN966X_P(61, GPIO, QSPI1, NONE, SGPIO_b, FC0_c, MIIM_Sb, NONE, R); +LAN966X_P(62, GPIO, QSPI1, FC_SHRD13, SGPIO_b, FC0_c, TWI_SLC_GATE, SFP_SD, R); +LAN966X_P(63, GPIO, QSPI1, FC_SHRD14, SGPIO_b, FC0_c, TWI_SLC_GATE, SFP_SD, R); +LAN966X_P(64, GPIO, QSPI1, FC4_c, SGPIO_b, FC_SHRD15, TWI_SLC_GATE, SFP_SD, R); +LAN966X_P(65, GPIO, USB_H_a, FC4_c, NONE, IRQ_OUT_c, TWI_SLC_GATE_AD, NONE, R); +LAN966X_P(66, GPIO, USB_H_a, FC4_c, USB_S_a, IRQ_OUT_c, IRQ_IN_c, NONE, R); +LAN966X_P(67, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R); +LAN966X_P(68, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R); +LAN966X_P(69, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R); +LAN966X_P(70, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R); +LAN966X_P(71, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R); +LAN966X_P(72, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R); +LAN966X_P(73, GPIO, EMMC, NONE, NONE, SD, NONE, NONE, R); +LAN966X_P(74, GPIO, EMMC, NONE, FC_SHRD17, SD, TWI_SLC_GATE, NONE, R); +LAN966X_P(75, GPIO, EMMC, NONE, FC_SHRD18, SD, TWI_SLC_GATE, NONE, R); +LAN966X_P(76, GPIO, EMMC, NONE, FC_SHRD19, SD, TWI_SLC_GATE, NONE, R); +LAN966X_P(77, GPIO, EMMC_SD, NONE, FC_SHRD20, NONE, TWI_SLC_GATE, NONE, R); + +#define LAN966X_PIN(n) { \ + .number = n, \ + .name = "GPIO_"#n, \ + .drv_data = &lan966x_pin_##n \ +} + +static const struct pinctrl_pin_desc lan966x_pins[] = { + LAN966X_PIN(0), + LAN966X_PIN(1), + LAN966X_PIN(2), + LAN966X_PIN(3), + LAN966X_PIN(4), + LAN966X_PIN(5), + LAN966X_PIN(6), + LAN966X_PIN(7), + LAN966X_PIN(8), + LAN966X_PIN(9), + LAN966X_PIN(10), + LAN966X_PIN(11), + LAN966X_PIN(12), + LAN966X_PIN(13), + LAN966X_PIN(14), + LAN966X_PIN(15), + LAN966X_PIN(16), + LAN966X_PIN(17), + LAN966X_PIN(18), + LAN966X_PIN(19), + LAN966X_PIN(20), + LAN966X_PIN(21), + LAN966X_PIN(22), + LAN966X_PIN(23), + LAN966X_PIN(24), + LAN966X_PIN(25), + LAN966X_PIN(26), + LAN966X_PIN(27), + LAN966X_PIN(28), + LAN966X_PIN(29), + LAN966X_PIN(30), + LAN966X_PIN(31), + LAN966X_PIN(32), + LAN966X_PIN(33), + LAN966X_PIN(34), + LAN966X_PIN(35), + LAN966X_PIN(36), + LAN966X_PIN(37), + LAN966X_PIN(38), + LAN966X_PIN(39), + LAN966X_PIN(40), + LAN966X_PIN(41), + LAN966X_PIN(42), + LAN966X_PIN(43), + LAN966X_PIN(44), + LAN966X_PIN(45), + LAN966X_PIN(46), + LAN966X_PIN(47), + LAN966X_PIN(48), + LAN966X_PIN(49), + LAN966X_PIN(50), + LAN966X_PIN(51), + LAN966X_PIN(52), + LAN966X_PIN(53), + LAN966X_PIN(54), + LAN966X_PIN(55), + LAN966X_PIN(56), + LAN966X_PIN(57), + LAN966X_PIN(58), + LAN966X_PIN(59), + LAN966X_PIN(60), + LAN966X_PIN(61), + LAN966X_PIN(62), + LAN966X_PIN(63), + LAN966X_PIN(64), + LAN966X_PIN(65), + LAN966X_PIN(66), + LAN966X_PIN(67), + LAN966X_PIN(68), + LAN966X_PIN(69), + LAN966X_PIN(70), + LAN966X_PIN(71), + LAN966X_PIN(72), + LAN966X_PIN(73), + LAN966X_PIN(74), + LAN966X_PIN(75), + LAN966X_PIN(76), + LAN966X_PIN(77), +}; + static int ocelot_get_functions_count(struct pinctrl_dev *pctldev) { return ARRAY_SIZE(ocelot_function_names); @@ -709,6 +1055,9 @@ static int ocelot_pin_function_idx(struct ocelot_pinctrl *info, for (i = 0; i < OCELOT_FUNC_PER_PIN; i++) { if (function == p->functions[i]) return i; + + if (function == p->a_functions[i]) + return i + OCELOT_FUNC_PER_PIN; } return -1; @@ -744,6 +1093,36 @@ static int ocelot_pinmux_set_mux(struct pinctrl_dev *pctldev, return 0; } +static int lan966x_pinmux_set_mux(struct pinctrl_dev *pctldev, + unsigned int selector, unsigned int group) +{ + struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); + struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data; + unsigned int p = pin->pin % 32; + int f; + + f = ocelot_pin_function_idx(info, group, selector); + if (f < 0) + return -EINVAL; + + /* + * f is encoded on three bits. + * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of + * ALT[1], bit 2 of f goes in BIT(pin) of ALT[2] + * This is racy because three registers can't be updated at the same time + * but it doesn't matter much for now. + * Note: ALT0/ALT1/ALT2 are organized specially for 78 gpio targets + */ + regmap_update_bits(info->map, REG_ALT(0, info, pin->pin), + BIT(p), f << p); + regmap_update_bits(info->map, REG_ALT(1, info, pin->pin), + BIT(p), (f >> 1) << p); + regmap_update_bits(info->map, REG_ALT(2, info, pin->pin), + BIT(p), (f >> 2) << p); + + return 0; +} + #define REG(r, info, p) ((r) * (info)->stride + (4 * ((p) / 32))) static int ocelot_gpio_set_direction(struct pinctrl_dev *pctldev, @@ -774,6 +1153,23 @@ static int ocelot_gpio_request_enable(struct pinctrl_dev *pctldev, return 0; } +static int lan966x_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned int offset) +{ + struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); + unsigned int p = offset % 32; + + regmap_update_bits(info->map, REG_ALT(0, info, offset), + BIT(p), 0); + regmap_update_bits(info->map, REG_ALT(1, info, offset), + BIT(p), 0); + regmap_update_bits(info->map, REG_ALT(2, info, offset), + BIT(p), 0); + + return 0; +} + static const struct pinmux_ops ocelot_pmx_ops = { .get_functions_count = ocelot_get_functions_count, .get_function_name = ocelot_get_function_name, @@ -783,6 +1179,15 @@ static const struct pinmux_ops ocelot_pmx_ops = { .gpio_request_enable = ocelot_gpio_request_enable, }; +static const struct pinmux_ops lan966x_pmx_ops = { + .get_functions_count = ocelot_get_functions_count, + .get_function_name = ocelot_get_function_name, + .get_function_groups = ocelot_get_function_groups, + .set_mux = lan966x_pinmux_set_mux, + .gpio_set_direction = ocelot_gpio_set_direction, + .gpio_request_enable = lan966x_gpio_request_enable, +}; + static int ocelot_pctl_get_groups_count(struct pinctrl_dev *pctldev) { struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); @@ -819,7 +1224,11 @@ static int ocelot_hw_get_value(struct ocelot_pinctrl *info, int ret = -EOPNOTSUPP; if (info->pincfg) { - u32 regcfg = readl(info->pincfg + (pin * sizeof(u32))); + u32 regcfg; + + ret = regmap_read(info->pincfg, pin, ®cfg); + if (ret) + return ret; ret = 0; switch (reg) { @@ -843,6 +1252,24 @@ static int ocelot_hw_get_value(struct ocelot_pinctrl *info, return ret; } +static int ocelot_pincfg_clrsetbits(struct ocelot_pinctrl *info, u32 regaddr, + u32 clrbits, u32 setbits) +{ + u32 val; + int ret; + + ret = regmap_read(info->pincfg, regaddr, &val); + if (ret) + return ret; + + val &= ~clrbits; + val |= setbits; + + ret = regmap_write(info->pincfg, regaddr, val); + + return ret; +} + static int ocelot_hw_set_value(struct ocelot_pinctrl *info, unsigned int pin, unsigned int reg, @@ -851,21 +1278,23 @@ static int ocelot_hw_set_value(struct ocelot_pinctrl *info, int ret = -EOPNOTSUPP; if (info->pincfg) { - void __iomem *regaddr = info->pincfg + (pin * sizeof(u32)); ret = 0; switch (reg) { case PINCONF_BIAS: - ocelot_clrsetbits(regaddr, BIAS_BITS, val); + ret = ocelot_pincfg_clrsetbits(info, pin, BIAS_BITS, + val); break; case PINCONF_SCHMITT: - ocelot_clrsetbits(regaddr, SCHMITT_BIT, val); + ret = ocelot_pincfg_clrsetbits(info, pin, SCHMITT_BIT, + val); break; case PINCONF_DRIVE_STRENGTH: if (val <= 3) - ocelot_clrsetbits(regaddr, DRIVE_BITS, val); + ret = ocelot_pincfg_clrsetbits(info, pin, + DRIVE_BITS, val); else ret = -EINVAL; break; @@ -1078,6 +1507,16 @@ static struct pinctrl_desc sparx5_desc = { .owner = THIS_MODULE, }; +static struct pinctrl_desc lan966x_desc = { + .name = "lan966x-pinctrl", + .pins = lan966x_pins, + .npins = ARRAY_SIZE(lan966x_pins), + .pctlops = &ocelot_pctl_ops, + .pmxops = &lan966x_pmx_ops, + .confops = &ocelot_confops, + .owner = THIS_MODULE, +}; + static int ocelot_create_group_func_map(struct device *dev, struct ocelot_pinctrl *info) { @@ -1308,8 +1747,7 @@ static int ocelot_gpiochip_register(struct platform_device *pdev, gc = &info->gpio_chip; gc->ngpio = info->desc->npins; gc->parent = &pdev->dev; - gc->base = 0; - gc->of_node = info->dev->of_node; + gc->base = -1; gc->label = "ocelot-gpio"; irq = irq_of_parse_and_map(gc->of_node, 0); @@ -1337,15 +1775,36 @@ static const struct of_device_id ocelot_pinctrl_of_match[] = { { .compatible = "mscc,ocelot-pinctrl", .data = &ocelot_desc }, { .compatible = "mscc,jaguar2-pinctrl", .data = &jaguar2_desc }, { .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc }, + { .compatible = "microchip,lan966x-pinctrl", .data = &lan966x_desc }, {}, }; +static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev) +{ + void __iomem *base; + + const struct regmap_config regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .max_register = 32, + }; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) { + dev_dbg(&pdev->dev, "Failed to ioremap config registers (no extended pinconf)\n"); + return NULL; + } + + return devm_regmap_init_mmio(&pdev->dev, base, ®map_config); +} + static int ocelot_pinctrl_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ocelot_pinctrl *info; + struct regmap *pincfg; void __iomem *base; - struct resource *res; int ret; struct regmap_config regmap_config = { .reg_bits = 32, @@ -1378,12 +1837,11 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev) /* Pinconf registers */ if (info->desc->confops) { - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - base = devm_ioremap_resource(dev, res); - if (IS_ERR(base)) - dev_dbg(dev, "Failed to ioremap config registers (no extended pinconf)\n"); + pincfg = ocelot_pinctrl_create_pincfg(pdev); + if (IS_ERR(pincfg)) + dev_dbg(dev, "Failed to create pincfg regmap\n"); else - info->pincfg = base; + info->pincfg = pincfg; } ret = ocelot_pinctrl_register(pdev, info); |