mirror of
https://github.com/AsahiLinux/u-boot
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324 lines
6.4 KiB
C
324 lines
6.4 KiB
C
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// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/*
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* Microsemi SoCs pinctrl driver
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*
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* Author: <horatiu.vultur@microchip.com>
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* Copyright (c) 2018 Microsemi Corporation
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*/
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#include <common.h>
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#include <config.h>
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#include <dm.h>
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#include <dm/device-internal.h>
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#include <dm/lists.h>
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#include <dm/pinctrl.h>
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#include <dm/root.h>
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#include <errno.h>
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#include <fdtdec.h>
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#include <linux/io.h>
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#include <asm/gpio.h>
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#include <asm/system.h>
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#include "mscc-common.h"
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enum {
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FUNC_NONE,
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FUNC_GPIO,
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FUNC_IRQ0_IN,
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FUNC_IRQ0_OUT,
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FUNC_IRQ1_IN,
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FUNC_IRQ1_OUT,
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FUNC_MIIM1,
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FUNC_MIIM2,
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FUNC_PCI_WAKE,
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FUNC_PTP0,
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FUNC_PTP1,
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FUNC_PTP2,
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FUNC_PTP3,
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FUNC_PWM,
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FUNC_RECO_CLK0,
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FUNC_RECO_CLK1,
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FUNC_SFP0,
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FUNC_SFP1,
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FUNC_SFP2,
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FUNC_SFP3,
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FUNC_SFP4,
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FUNC_SFP5,
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FUNC_SFP6,
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FUNC_SFP7,
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FUNC_SFP8,
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FUNC_SFP9,
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FUNC_SFP10,
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FUNC_SFP11,
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FUNC_SFP12,
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FUNC_SFP13,
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FUNC_SFP14,
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FUNC_SFP15,
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FUNC_SG0,
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FUNC_SG1,
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FUNC_SG2,
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FUNC_SI,
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FUNC_TACHO,
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FUNC_TWI,
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FUNC_TWI2,
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FUNC_TWI_SCL_M,
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FUNC_UART,
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FUNC_UART2,
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FUNC_MAX
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};
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static char * const jr2_function_names[] = {
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[FUNC_NONE] = "none",
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[FUNC_GPIO] = "gpio",
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[FUNC_IRQ0_IN] = "irq0_in",
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[FUNC_IRQ0_OUT] = "irq0_out",
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[FUNC_IRQ1_IN] = "irq1_in",
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[FUNC_IRQ1_OUT] = "irq1_out",
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[FUNC_MIIM1] = "miim1",
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[FUNC_MIIM2] = "miim2",
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[FUNC_PCI_WAKE] = "pci_wake",
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[FUNC_PTP0] = "ptp0",
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[FUNC_PTP1] = "ptp1",
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[FUNC_PTP2] = "ptp2",
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[FUNC_PTP3] = "ptp3",
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[FUNC_PWM] = "pwm",
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[FUNC_RECO_CLK0] = "reco_clk0",
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[FUNC_RECO_CLK1] = "reco_clk1",
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[FUNC_SFP0] = "sfp0",
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[FUNC_SFP1] = "sfp1",
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[FUNC_SFP2] = "sfp2",
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[FUNC_SFP3] = "sfp3",
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[FUNC_SFP4] = "sfp4",
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[FUNC_SFP5] = "sfp5",
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[FUNC_SFP6] = "sfp6",
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[FUNC_SFP7] = "sfp7",
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[FUNC_SFP8] = "sfp8",
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[FUNC_SFP9] = "sfp9",
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[FUNC_SFP10] = "sfp10",
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[FUNC_SFP11] = "sfp11",
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[FUNC_SFP12] = "sfp12",
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[FUNC_SFP13] = "sfp13",
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[FUNC_SFP14] = "sfp14",
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[FUNC_SFP15] = "sfp15",
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[FUNC_SG0] = "sg0",
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[FUNC_SG1] = "sg1",
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[FUNC_SG2] = "sg2",
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[FUNC_SI] = "si",
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[FUNC_TACHO] = "tacho",
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[FUNC_TWI] = "twi",
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[FUNC_TWI2] = "twi2",
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[FUNC_TWI_SCL_M] = "twi_scl_m",
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[FUNC_UART] = "uart",
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[FUNC_UART2] = "uart2",
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};
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#define JR2_P(p, f0, f1) \
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static struct mscc_pin_caps jr2_pin_##p = { \
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.pin = p, \
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.functions = { \
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FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE \
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}, \
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}
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JR2_P(0, SG0, NONE);
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JR2_P(1, SG0, NONE);
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JR2_P(2, SG0, NONE);
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JR2_P(3, SG0, NONE);
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JR2_P(4, SG1, NONE);
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JR2_P(5, SG1, NONE);
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JR2_P(6, IRQ0_IN, IRQ0_OUT);
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JR2_P(7, IRQ1_IN, IRQ1_OUT);
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JR2_P(8, PTP0, NONE);
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JR2_P(9, PTP1, NONE);
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JR2_P(10, UART, NONE);
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JR2_P(11, UART, NONE);
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JR2_P(12, SG1, NONE);
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JR2_P(13, SG1, NONE);
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JR2_P(14, TWI, TWI_SCL_M);
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JR2_P(15, TWI, NONE);
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JR2_P(16, SI, TWI_SCL_M);
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JR2_P(17, SI, TWI_SCL_M);
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JR2_P(18, SI, TWI_SCL_M);
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JR2_P(19, PCI_WAKE, NONE);
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JR2_P(20, IRQ0_OUT, TWI_SCL_M);
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JR2_P(21, IRQ1_OUT, TWI_SCL_M);
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JR2_P(22, TACHO, NONE);
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JR2_P(23, PWM, NONE);
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JR2_P(24, UART2, NONE);
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JR2_P(25, UART2, SI);
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JR2_P(26, PTP2, SI);
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JR2_P(27, PTP3, SI);
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JR2_P(28, TWI2, SI);
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JR2_P(29, TWI, SI);
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JR2_P(30, SG2, SI);
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JR2_P(31, SG2, SI);
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JR2_P(32, SG2, SI);
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JR2_P(33, SG2, SI);
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JR2_P(34, NONE, TWI_SCL_M);
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JR2_P(35, NONE, TWI_SCL_M);
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JR2_P(36, NONE, TWI_SCL_M);
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JR2_P(37, NONE, TWI_SCL_M);
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JR2_P(38, NONE, TWI_SCL_M);
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JR2_P(39, NONE, TWI_SCL_M);
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JR2_P(40, NONE, TWI_SCL_M);
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JR2_P(41, NONE, TWI_SCL_M);
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JR2_P(42, NONE, TWI_SCL_M);
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JR2_P(43, NONE, TWI_SCL_M);
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JR2_P(44, NONE, SFP8);
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JR2_P(45, NONE, SFP9);
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JR2_P(46, NONE, SFP10);
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JR2_P(47, NONE, SFP11);
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JR2_P(48, SFP0, NONE);
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JR2_P(49, SFP1, SI);
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JR2_P(50, SFP2, SI);
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JR2_P(51, SFP3, SI);
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JR2_P(52, SFP4, NONE);
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JR2_P(53, SFP5, NONE);
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JR2_P(54, SFP6, NONE);
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JR2_P(55, SFP7, NONE);
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JR2_P(56, MIIM1, SFP12);
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JR2_P(57, MIIM1, SFP13);
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JR2_P(58, MIIM2, SFP14);
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JR2_P(59, MIIM2, SFP15);
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JR2_P(60, NONE, NONE);
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JR2_P(61, NONE, NONE);
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JR2_P(62, NONE, NONE);
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JR2_P(63, NONE, NONE);
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#define JR2_PIN(n) { \
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.name = "GPIO_"#n, \
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.drv_data = &jr2_pin_##n \
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}
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static const struct mscc_pin_data jr2_pins[] = {
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JR2_PIN(0),
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JR2_PIN(1),
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JR2_PIN(2),
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JR2_PIN(3),
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JR2_PIN(4),
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JR2_PIN(5),
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JR2_PIN(6),
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JR2_PIN(7),
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JR2_PIN(8),
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JR2_PIN(9),
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JR2_PIN(10),
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JR2_PIN(11),
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JR2_PIN(12),
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JR2_PIN(13),
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JR2_PIN(14),
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JR2_PIN(15),
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JR2_PIN(16),
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JR2_PIN(17),
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JR2_PIN(18),
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JR2_PIN(19),
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JR2_PIN(20),
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JR2_PIN(21),
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JR2_PIN(22),
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JR2_PIN(23),
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JR2_PIN(24),
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JR2_PIN(25),
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JR2_PIN(26),
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JR2_PIN(27),
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JR2_PIN(28),
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JR2_PIN(29),
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JR2_PIN(30),
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JR2_PIN(31),
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JR2_PIN(32),
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JR2_PIN(33),
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JR2_PIN(34),
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JR2_PIN(35),
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JR2_PIN(36),
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JR2_PIN(37),
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JR2_PIN(38),
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JR2_PIN(39),
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JR2_PIN(40),
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JR2_PIN(41),
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JR2_PIN(42),
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JR2_PIN(43),
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JR2_PIN(44),
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JR2_PIN(45),
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JR2_PIN(46),
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JR2_PIN(47),
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JR2_PIN(48),
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JR2_PIN(49),
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JR2_PIN(50),
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JR2_PIN(51),
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JR2_PIN(52),
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JR2_PIN(53),
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JR2_PIN(54),
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JR2_PIN(55),
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JR2_PIN(56),
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JR2_PIN(57),
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JR2_PIN(58),
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JR2_PIN(59),
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JR2_PIN(60),
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JR2_PIN(61),
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JR2_PIN(62),
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JR2_PIN(63),
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};
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static const unsigned long jr2_gpios[] = {
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[MSCC_GPIO_OUT_SET] = 0x00,
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[MSCC_GPIO_OUT_CLR] = 0x08,
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[MSCC_GPIO_OUT] = 0x10,
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[MSCC_GPIO_IN] = 0x18,
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[MSCC_GPIO_OE] = 0x20,
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[MSCC_GPIO_INTR] = 0x28,
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[MSCC_GPIO_INTR_ENA] = 0x30,
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[MSCC_GPIO_INTR_IDENT] = 0x38,
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[MSCC_GPIO_ALT0] = 0x40,
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[MSCC_GPIO_ALT1] = 0x48,
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};
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static int jr2_gpio_probe(struct udevice *dev)
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{
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struct gpio_dev_priv *uc_priv;
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uc_priv = dev_get_uclass_priv(dev);
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uc_priv->bank_name = "jr2-gpio";
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uc_priv->gpio_count = ARRAY_SIZE(jr2_pins);
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return 0;
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}
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static struct driver jr2_gpio_driver = {
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.name = "jr2-gpio",
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.id = UCLASS_GPIO,
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.probe = jr2_gpio_probe,
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.ops = &mscc_gpio_ops,
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};
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static int jr2_pinctrl_probe(struct udevice *dev)
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{
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int ret;
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ret = mscc_pinctrl_probe(dev, FUNC_MAX, jr2_pins,
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ARRAY_SIZE(jr2_pins),
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jr2_function_names,
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jr2_gpios);
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if (ret)
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return ret;
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ret = device_bind(dev, &jr2_gpio_driver, "jr2-gpio", NULL,
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dev_of_offset(dev), NULL);
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if (ret)
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return ret;
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return 0;
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}
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static const struct udevice_id jr2_pinctrl_of_match[] = {
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{ .compatible = "mscc,jaguar2-pinctrl" },
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{},
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};
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U_BOOT_DRIVER(jr2_pinctrl) = {
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.name = "jr2-pinctrl",
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.id = UCLASS_PINCTRL,
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.of_match = of_match_ptr(jr2_pinctrl_of_match),
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.probe = jr2_pinctrl_probe,
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.priv_auto_alloc_size = sizeof(struct mscc_pinctrl),
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.ops = &mscc_pinctrl_ops,
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};
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