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path: root/drivers/pinctrl/pinctrl-ocelot.c
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-rw-r--r--drivers/pinctrl/pinctrl-ocelot.c2143
1 files changed, 2143 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c
new file mode 100644
index 000000000..c1d58939d
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-ocelot.c
@@ -0,0 +1,2143 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Microsemi SoCs pinctrl driver
+ *
+ * Author: <alexandre.belloni@free-electrons.com>
+ * License: Dual MIT/GPL
+ * Copyright (c) 2017 Microsemi Corporation
+ */
+
+#include <linux/gpio/driver.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/mfd/ocelot.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/slab.h>
+
+#include "core.h"
+#include "pinconf.h"
+#include "pinmux.h"
+
+#define ocelot_clrsetbits(addr, clear, set) \
+ writel((readl(addr) & ~(clear)) | (set), (addr))
+
+enum {
+ PINCONF_BIAS,
+ PINCONF_SCHMITT,
+ PINCONF_DRIVE_STRENGTH,
+};
+
+/* GPIO standard registers */
+#define OCELOT_GPIO_OUT_SET 0x0
+#define OCELOT_GPIO_OUT_CLR 0x4
+#define OCELOT_GPIO_OUT 0x8
+#define OCELOT_GPIO_IN 0xc
+#define OCELOT_GPIO_OE 0x10
+#define OCELOT_GPIO_INTR 0x14
+#define OCELOT_GPIO_INTR_ENA 0x18
+#define OCELOT_GPIO_INTR_IDENT 0x1c
+#define OCELOT_GPIO_ALT0 0x20
+#define OCELOT_GPIO_ALT1 0x24
+#define OCELOT_GPIO_SD_MAP 0x28
+
+#define OCELOT_FUNC_PER_PIN 4
+
+enum {
+ FUNC_CAN0_a,
+ FUNC_CAN0_b,
+ FUNC_CAN1,
+ FUNC_CLKMON,
+ 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,
+ FUNC_PTP0,
+ FUNC_PTP1,
+ FUNC_PTP2,
+ FUNC_PTP3,
+ FUNC_PTPSYNC_0,
+ FUNC_PTPSYNC_1,
+ FUNC_PTPSYNC_2,
+ FUNC_PTPSYNC_3,
+ FUNC_PTPSYNC_4,
+ FUNC_PTPSYNC_5,
+ FUNC_PTPSYNC_6,
+ FUNC_PTPSYNC_7,
+ FUNC_PWM,
+ FUNC_PWM_a,
+ FUNC_PWM_b,
+ 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_CLKMON] = "clkmon",
+ [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_0] = "ptpsync_0",
+ [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_PWM_a] = "pwm_a",
+ [FUNC_PWM_b] = "pwm_b",
+ [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",
+};
+
+struct ocelot_pmx_func {
+ const char **groups;
+ unsigned int ngroups;
+};
+
+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_pincfg_data {
+ u8 pd_bit;
+ u8 pu_bit;
+ u8 drive_bits;
+ u8 schmitt_bit;
+};
+
+struct ocelot_pinctrl {
+ struct device *dev;
+ struct pinctrl_dev *pctl;
+ struct gpio_chip gpio_chip;
+ struct regmap *map;
+ struct regmap *pincfg;
+ struct pinctrl_desc *desc;
+ const struct ocelot_pincfg_data *pincfg_data;
+ struct ocelot_pmx_func func[FUNC_MAX];
+ u8 stride;
+ struct workqueue_struct *wq;
+};
+
+struct ocelot_match_data {
+ struct pinctrl_desc desc;
+ struct ocelot_pincfg_data pincfg_data;
+};
+
+struct ocelot_irq_work {
+ struct work_struct irq_work;
+ struct irq_desc *irq_desc;
+};
+
+#define LUTON_P(p, f0, f1) \
+static struct ocelot_pin_caps luton_pin_##p = { \
+ .pin = p, \
+ .functions = { \
+ FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE, \
+ }, \
+}
+
+LUTON_P(0, SG0, NONE);
+LUTON_P(1, SG0, NONE);
+LUTON_P(2, SG0, NONE);
+LUTON_P(3, SG0, NONE);
+LUTON_P(4, TACHO, NONE);
+LUTON_P(5, TWI, PHY_LED);
+LUTON_P(6, TWI, PHY_LED);
+LUTON_P(7, NONE, PHY_LED);
+LUTON_P(8, EXT_IRQ, PHY_LED);
+LUTON_P(9, EXT_IRQ, PHY_LED);
+LUTON_P(10, SFP, PHY_LED);
+LUTON_P(11, SFP, PHY_LED);
+LUTON_P(12, SFP, PHY_LED);
+LUTON_P(13, SFP, PHY_LED);
+LUTON_P(14, SI, PHY_LED);
+LUTON_P(15, SI, PHY_LED);
+LUTON_P(16, SI, PHY_LED);
+LUTON_P(17, SFP, PHY_LED);
+LUTON_P(18, SFP, PHY_LED);
+LUTON_P(19, SFP, PHY_LED);
+LUTON_P(20, SFP, PHY_LED);
+LUTON_P(21, SFP, PHY_LED);
+LUTON_P(22, SFP, PHY_LED);
+LUTON_P(23, SFP, PHY_LED);
+LUTON_P(24, SFP, PHY_LED);
+LUTON_P(25, SFP, PHY_LED);
+LUTON_P(26, SFP, PHY_LED);
+LUTON_P(27, SFP, PHY_LED);
+LUTON_P(28, SFP, PHY_LED);
+LUTON_P(29, PWM, NONE);
+LUTON_P(30, UART, NONE);
+LUTON_P(31, UART, NONE);
+
+#define LUTON_PIN(n) { \
+ .number = n, \
+ .name = "GPIO_"#n, \
+ .drv_data = &luton_pin_##n \
+}
+
+static const struct pinctrl_pin_desc luton_pins[] = {
+ LUTON_PIN(0),
+ LUTON_PIN(1),
+ LUTON_PIN(2),
+ LUTON_PIN(3),
+ LUTON_PIN(4),
+ LUTON_PIN(5),
+ LUTON_PIN(6),
+ LUTON_PIN(7),
+ LUTON_PIN(8),
+ LUTON_PIN(9),
+ LUTON_PIN(10),
+ LUTON_PIN(11),
+ LUTON_PIN(12),
+ LUTON_PIN(13),
+ LUTON_PIN(14),
+ LUTON_PIN(15),
+ LUTON_PIN(16),
+ LUTON_PIN(17),
+ LUTON_PIN(18),
+ LUTON_PIN(19),
+ LUTON_PIN(20),
+ LUTON_PIN(21),
+ LUTON_PIN(22),
+ LUTON_PIN(23),
+ LUTON_PIN(24),
+ LUTON_PIN(25),
+ LUTON_PIN(26),
+ LUTON_PIN(27),
+ LUTON_PIN(28),
+ LUTON_PIN(29),
+ LUTON_PIN(30),
+ LUTON_PIN(31),
+};
+
+#define SERVAL_P(p, f0, f1, f2) \
+static struct ocelot_pin_caps serval_pin_##p = { \
+ .pin = p, \
+ .functions = { \
+ FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \
+ }, \
+}
+
+SERVAL_P(0, SG0, NONE, NONE);
+SERVAL_P(1, SG0, NONE, NONE);
+SERVAL_P(2, SG0, NONE, NONE);
+SERVAL_P(3, SG0, NONE, NONE);
+SERVAL_P(4, TACHO, NONE, NONE);
+SERVAL_P(5, PWM, NONE, NONE);
+SERVAL_P(6, TWI, NONE, NONE);
+SERVAL_P(7, TWI, NONE, NONE);
+SERVAL_P(8, SI, NONE, NONE);
+SERVAL_P(9, SI, MD, NONE);
+SERVAL_P(10, SI, MD, NONE);
+SERVAL_P(11, SFP, MD, TWI_SCL_M);
+SERVAL_P(12, SFP, MD, TWI_SCL_M);
+SERVAL_P(13, SFP, UART2, TWI_SCL_M);
+SERVAL_P(14, SFP, UART2, TWI_SCL_M);
+SERVAL_P(15, SFP, PTP0, TWI_SCL_M);
+SERVAL_P(16, SFP, PTP0, TWI_SCL_M);
+SERVAL_P(17, SFP, PCI_WAKE, TWI_SCL_M);
+SERVAL_P(18, SFP, NONE, TWI_SCL_M);
+SERVAL_P(19, SFP, NONE, TWI_SCL_M);
+SERVAL_P(20, SFP, NONE, TWI_SCL_M);
+SERVAL_P(21, SFP, NONE, TWI_SCL_M);
+SERVAL_P(22, NONE, NONE, NONE);
+SERVAL_P(23, NONE, NONE, NONE);
+SERVAL_P(24, NONE, NONE, NONE);
+SERVAL_P(25, NONE, NONE, NONE);
+SERVAL_P(26, UART, NONE, NONE);
+SERVAL_P(27, UART, NONE, NONE);
+SERVAL_P(28, IRQ0, NONE, NONE);
+SERVAL_P(29, IRQ1, NONE, NONE);
+SERVAL_P(30, PTP0, NONE, NONE);
+SERVAL_P(31, PTP0, NONE, NONE);
+
+#define SERVAL_PIN(n) { \
+ .number = n, \
+ .name = "GPIO_"#n, \
+ .drv_data = &serval_pin_##n \
+}
+
+static const struct pinctrl_pin_desc serval_pins[] = {
+ SERVAL_PIN(0),
+ SERVAL_PIN(1),
+ SERVAL_PIN(2),
+ SERVAL_PIN(3),
+ SERVAL_PIN(4),
+ SERVAL_PIN(5),
+ SERVAL_PIN(6),
+ SERVAL_PIN(7),
+ SERVAL_PIN(8),
+ SERVAL_PIN(9),
+ SERVAL_PIN(10),
+ SERVAL_PIN(11),
+ SERVAL_PIN(12),
+ SERVAL_PIN(13),
+ SERVAL_PIN(14),
+ SERVAL_PIN(15),
+ SERVAL_PIN(16),
+ SERVAL_PIN(17),
+ SERVAL_PIN(18),
+ SERVAL_PIN(19),
+ SERVAL_PIN(20),
+ SERVAL_PIN(21),
+ SERVAL_PIN(22),
+ SERVAL_PIN(23),
+ SERVAL_PIN(24),
+ SERVAL_PIN(25),
+ SERVAL_PIN(26),
+ SERVAL_PIN(27),
+ SERVAL_PIN(28),
+ SERVAL_PIN(29),
+ SERVAL_PIN(30),
+ SERVAL_PIN(31),
+};
+
+#define OCELOT_P(p, f0, f1, f2) \
+static struct ocelot_pin_caps ocelot_pin_##p = { \
+ .pin = p, \
+ .functions = { \
+ FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \
+ }, \
+}
+
+OCELOT_P(0, SG0, NONE, NONE);
+OCELOT_P(1, SG0, NONE, NONE);
+OCELOT_P(2, SG0, NONE, NONE);
+OCELOT_P(3, SG0, NONE, NONE);
+OCELOT_P(4, IRQ0_IN, IRQ0_OUT, TWI_SCL_M);
+OCELOT_P(5, IRQ1_IN, IRQ1_OUT, PCI_WAKE);
+OCELOT_P(6, UART, TWI_SCL_M, NONE);
+OCELOT_P(7, UART, TWI_SCL_M, NONE);
+OCELOT_P(8, SI, TWI_SCL_M, IRQ0_OUT);
+OCELOT_P(9, SI, TWI_SCL_M, IRQ1_OUT);
+OCELOT_P(10, PTP2, TWI_SCL_M, SFP);
+OCELOT_P(11, PTP3, TWI_SCL_M, SFP);
+OCELOT_P(12, UART2, TWI_SCL_M, SFP);
+OCELOT_P(13, UART2, TWI_SCL_M, SFP);
+OCELOT_P(14, MIIM, TWI_SCL_M, SFP);
+OCELOT_P(15, MIIM, TWI_SCL_M, SFP);
+OCELOT_P(16, TWI, NONE, SI);
+OCELOT_P(17, TWI, TWI_SCL_M, SI);
+OCELOT_P(18, PTP0, TWI_SCL_M, NONE);
+OCELOT_P(19, PTP1, TWI_SCL_M, NONE);
+OCELOT_P(20, RECO_CLK, TACHO, TWI_SCL_M);
+OCELOT_P(21, RECO_CLK, PWM, TWI_SCL_M);
+
+#define OCELOT_PIN(n) { \
+ .number = n, \
+ .name = "GPIO_"#n, \
+ .drv_data = &ocelot_pin_##n \
+}
+
+static const struct pinctrl_pin_desc ocelot_pins[] = {
+ OCELOT_PIN(0),
+ OCELOT_PIN(1),
+ OCELOT_PIN(2),
+ OCELOT_PIN(3),
+ OCELOT_PIN(4),
+ OCELOT_PIN(5),
+ OCELOT_PIN(6),
+ OCELOT_PIN(7),
+ OCELOT_PIN(8),
+ OCELOT_PIN(9),
+ OCELOT_PIN(10),
+ OCELOT_PIN(11),
+ OCELOT_PIN(12),
+ OCELOT_PIN(13),
+ OCELOT_PIN(14),
+ OCELOT_PIN(15),
+ OCELOT_PIN(16),
+ OCELOT_PIN(17),
+ OCELOT_PIN(18),
+ OCELOT_PIN(19),
+ OCELOT_PIN(20),
+ OCELOT_PIN(21),
+};
+
+#define JAGUAR2_P(p, f0, f1) \
+static struct ocelot_pin_caps jaguar2_pin_##p = { \
+ .pin = p, \
+ .functions = { \
+ FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE \
+ }, \
+}
+
+JAGUAR2_P(0, SG0, NONE);
+JAGUAR2_P(1, SG0, NONE);
+JAGUAR2_P(2, SG0, NONE);
+JAGUAR2_P(3, SG0, NONE);
+JAGUAR2_P(4, SG1, NONE);
+JAGUAR2_P(5, SG1, NONE);
+JAGUAR2_P(6, IRQ0_IN, IRQ0_OUT);
+JAGUAR2_P(7, IRQ1_IN, IRQ1_OUT);
+JAGUAR2_P(8, PTP0, NONE);
+JAGUAR2_P(9, PTP1, NONE);
+JAGUAR2_P(10, UART, NONE);
+JAGUAR2_P(11, UART, NONE);
+JAGUAR2_P(12, SG1, NONE);
+JAGUAR2_P(13, SG1, NONE);
+JAGUAR2_P(14, TWI, TWI_SCL_M);
+JAGUAR2_P(15, TWI, NONE);
+JAGUAR2_P(16, SI, TWI_SCL_M);
+JAGUAR2_P(17, SI, TWI_SCL_M);
+JAGUAR2_P(18, SI, TWI_SCL_M);
+JAGUAR2_P(19, PCI_WAKE, NONE);
+JAGUAR2_P(20, IRQ0_OUT, TWI_SCL_M);
+JAGUAR2_P(21, IRQ1_OUT, TWI_SCL_M);
+JAGUAR2_P(22, TACHO, NONE);
+JAGUAR2_P(23, PWM, NONE);
+JAGUAR2_P(24, UART2, NONE);
+JAGUAR2_P(25, UART2, SI);
+JAGUAR2_P(26, PTP2, SI);
+JAGUAR2_P(27, PTP3, SI);
+JAGUAR2_P(28, TWI2, SI);
+JAGUAR2_P(29, TWI2, SI);
+JAGUAR2_P(30, SG2, SI);
+JAGUAR2_P(31, SG2, SI);
+JAGUAR2_P(32, SG2, SI);
+JAGUAR2_P(33, SG2, SI);
+JAGUAR2_P(34, NONE, TWI_SCL_M);
+JAGUAR2_P(35, NONE, TWI_SCL_M);
+JAGUAR2_P(36, NONE, TWI_SCL_M);
+JAGUAR2_P(37, NONE, TWI_SCL_M);
+JAGUAR2_P(38, NONE, TWI_SCL_M);
+JAGUAR2_P(39, NONE, TWI_SCL_M);
+JAGUAR2_P(40, NONE, TWI_SCL_M);
+JAGUAR2_P(41, NONE, TWI_SCL_M);
+JAGUAR2_P(42, NONE, TWI_SCL_M);
+JAGUAR2_P(43, NONE, TWI_SCL_M);
+JAGUAR2_P(44, NONE, SFP);
+JAGUAR2_P(45, NONE, SFP);
+JAGUAR2_P(46, NONE, SFP);
+JAGUAR2_P(47, NONE, SFP);
+JAGUAR2_P(48, SFP, NONE);
+JAGUAR2_P(49, SFP, SI);
+JAGUAR2_P(50, SFP, SI);
+JAGUAR2_P(51, SFP, SI);
+JAGUAR2_P(52, SFP, NONE);
+JAGUAR2_P(53, SFP, NONE);
+JAGUAR2_P(54, SFP, NONE);
+JAGUAR2_P(55, SFP, NONE);
+JAGUAR2_P(56, MIIM, SFP);
+JAGUAR2_P(57, MIIM, SFP);
+JAGUAR2_P(58, MIIM, SFP);
+JAGUAR2_P(59, MIIM, SFP);
+JAGUAR2_P(60, NONE, NONE);
+JAGUAR2_P(61, NONE, NONE);
+JAGUAR2_P(62, NONE, NONE);
+JAGUAR2_P(63, NONE, NONE);
+
+#define JAGUAR2_PIN(n) { \
+ .number = n, \
+ .name = "GPIO_"#n, \
+ .drv_data = &jaguar2_pin_##n \
+}
+
+static const struct pinctrl_pin_desc jaguar2_pins[] = {
+ JAGUAR2_PIN(0),
+ JAGUAR2_PIN(1),
+ JAGUAR2_PIN(2),
+ JAGUAR2_PIN(3),
+ JAGUAR2_PIN(4),
+ JAGUAR2_PIN(5),
+ JAGUAR2_PIN(6),
+ JAGUAR2_PIN(7),
+ JAGUAR2_PIN(8),
+ JAGUAR2_PIN(9),
+ JAGUAR2_PIN(10),
+ JAGUAR2_PIN(11),
+ JAGUAR2_PIN(12),
+ JAGUAR2_PIN(13),
+ JAGUAR2_PIN(14),
+ JAGUAR2_PIN(15),
+ JAGUAR2_PIN(16),
+ JAGUAR2_PIN(17),
+ JAGUAR2_PIN(18),
+ JAGUAR2_PIN(19),
+ JAGUAR2_PIN(20),
+ JAGUAR2_PIN(21),
+ JAGUAR2_PIN(22),
+ JAGUAR2_PIN(23),
+ JAGUAR2_PIN(24),
+ JAGUAR2_PIN(25),
+ JAGUAR2_PIN(26),
+ JAGUAR2_PIN(27),
+ JAGUAR2_PIN(28),
+ JAGUAR2_PIN(29),
+ JAGUAR2_PIN(30),
+ JAGUAR2_PIN(31),
+ JAGUAR2_PIN(32),
+ JAGUAR2_PIN(33),
+ JAGUAR2_PIN(34),
+ JAGUAR2_PIN(35),
+ JAGUAR2_PIN(36),
+ JAGUAR2_PIN(37),
+ JAGUAR2_PIN(38),
+ JAGUAR2_PIN(39),
+ JAGUAR2_PIN(40),
+ JAGUAR2_PIN(41),
+ JAGUAR2_PIN(42),
+ JAGUAR2_PIN(43),
+ JAGUAR2_PIN(44),
+ JAGUAR2_PIN(45),
+ JAGUAR2_PIN(46),
+ JAGUAR2_PIN(47),
+ JAGUAR2_PIN(48),
+ JAGUAR2_PIN(49),
+ JAGUAR2_PIN(50),
+ JAGUAR2_PIN(51),
+ JAGUAR2_PIN(52),
+ JAGUAR2_PIN(53),
+ JAGUAR2_PIN(54),
+ JAGUAR2_PIN(55),
+ JAGUAR2_PIN(56),
+ JAGUAR2_PIN(57),
+ JAGUAR2_PIN(58),
+ JAGUAR2_PIN(59),
+ JAGUAR2_PIN(60),
+ JAGUAR2_PIN(61),
+ JAGUAR2_PIN(62),
+ JAGUAR2_PIN(63),
+};
+
+#define SERVALT_P(p, f0, f1, f2) \
+static struct ocelot_pin_caps servalt_pin_##p = { \
+ .pin = p, \
+ .functions = { \
+ FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2 \
+ }, \
+}
+
+SERVALT_P(0, SG0, NONE, NONE);
+SERVALT_P(1, SG0, NONE, NONE);
+SERVALT_P(2, SG0, NONE, NONE);
+SERVALT_P(3, SG0, NONE, NONE);
+SERVALT_P(4, IRQ0_IN, IRQ0_OUT, TWI_SCL_M);
+SERVALT_P(5, IRQ1_IN, IRQ1_OUT, TWI_SCL_M);
+SERVALT_P(6, UART, NONE, NONE);
+SERVALT_P(7, UART, NONE, NONE);
+SERVALT_P(8, SI, SFP, TWI_SCL_M);
+SERVALT_P(9, PCI_WAKE, SFP, SI);
+SERVALT_P(10, PTP0, SFP, TWI_SCL_M);
+SERVALT_P(11, PTP1, SFP, TWI_SCL_M);
+SERVALT_P(12, REF_CLK, SFP, TWI_SCL_M);
+SERVALT_P(13, REF_CLK, SFP, TWI_SCL_M);
+SERVALT_P(14, REF_CLK, IRQ0_OUT, SI);
+SERVALT_P(15, REF_CLK, IRQ1_OUT, SI);
+SERVALT_P(16, TACHO, SFP, SI);
+SERVALT_P(17, PWM, NONE, TWI_SCL_M);
+SERVALT_P(18, PTP2, SFP, SI);
+SERVALT_P(19, PTP3, SFP, SI);
+SERVALT_P(20, UART2, SFP, SI);
+SERVALT_P(21, UART2, NONE, NONE);
+SERVALT_P(22, MIIM, SFP, TWI2);
+SERVALT_P(23, MIIM, SFP, TWI2);
+SERVALT_P(24, TWI, NONE, NONE);
+SERVALT_P(25, TWI, SFP, TWI_SCL_M);
+SERVALT_P(26, TWI_SCL_M, SFP, SI);
+SERVALT_P(27, TWI_SCL_M, SFP, SI);
+SERVALT_P(28, TWI_SCL_M, SFP, SI);
+SERVALT_P(29, TWI_SCL_M, NONE, NONE);
+SERVALT_P(30, TWI_SCL_M, NONE, NONE);
+SERVALT_P(31, TWI_SCL_M, NONE, NONE);
+SERVALT_P(32, TWI_SCL_M, NONE, NONE);
+SERVALT_P(33, RCVRD_CLK, NONE, NONE);
+SERVALT_P(34, RCVRD_CLK, NONE, NONE);
+SERVALT_P(35, RCVRD_CLK, NONE, NONE);
+SERVALT_P(36, RCVRD_CLK, NONE, NONE);
+
+#define SERVALT_PIN(n) { \
+ .number = n, \
+ .name = "GPIO_"#n, \
+ .drv_data = &servalt_pin_##n \
+}
+
+static const struct pinctrl_pin_desc servalt_pins[] = {
+ SERVALT_PIN(0),
+ SERVALT_PIN(1),
+ SERVALT_PIN(2),
+ SERVALT_PIN(3),
+ SERVALT_PIN(4),
+ SERVALT_PIN(5),
+ SERVALT_PIN(6),
+ SERVALT_PIN(7),
+ SERVALT_PIN(8),
+ SERVALT_PIN(9),
+ SERVALT_PIN(10),
+ SERVALT_PIN(11),
+ SERVALT_PIN(12),
+ SERVALT_PIN(13),
+ SERVALT_PIN(14),
+ SERVALT_PIN(15),
+ SERVALT_PIN(16),
+ SERVALT_PIN(17),
+ SERVALT_PIN(18),
+ SERVALT_PIN(19),
+ SERVALT_PIN(20),
+ SERVALT_PIN(21),
+ SERVALT_PIN(22),
+ SERVALT_PIN(23),
+ SERVALT_PIN(24),
+ SERVALT_PIN(25),
+ SERVALT_PIN(26),
+ SERVALT_PIN(27),
+ SERVALT_PIN(28),
+ SERVALT_PIN(29),
+ SERVALT_PIN(30),
+ SERVALT_PIN(31),
+ SERVALT_PIN(32),
+ SERVALT_PIN(33),
+ SERVALT_PIN(34),
+ SERVALT_PIN(35),
+ SERVALT_PIN(36),
+};
+
+#define SPARX5_P(p, f0, f1, f2) \
+static struct ocelot_pin_caps sparx5_pin_##p = { \
+ .pin = p, \
+ .functions = { \
+ FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2 \
+ }, \
+}
+
+SPARX5_P(0, SG0, PLL_STAT, NONE);
+SPARX5_P(1, SG0, NONE, NONE);
+SPARX5_P(2, SG0, NONE, NONE);
+SPARX5_P(3, SG0, NONE, NONE);
+SPARX5_P(4, SG1, NONE, NONE);
+SPARX5_P(5, SG1, NONE, NONE);
+SPARX5_P(6, IRQ0_IN, IRQ0_OUT, SFP);
+SPARX5_P(7, IRQ1_IN, IRQ1_OUT, SFP);
+SPARX5_P(8, PTP0, NONE, SFP);
+SPARX5_P(9, PTP1, SFP, TWI_SCL_M);
+SPARX5_P(10, UART, NONE, NONE);
+SPARX5_P(11, UART, NONE, NONE);
+SPARX5_P(12, SG1, NONE, NONE);
+SPARX5_P(13, SG1, NONE, NONE);
+SPARX5_P(14, TWI, TWI_SCL_M, NONE);
+SPARX5_P(15, TWI, NONE, NONE);
+SPARX5_P(16, SI, TWI_SCL_M, SFP);
+SPARX5_P(17, SI, TWI_SCL_M, SFP);
+SPARX5_P(18, SI, TWI_SCL_M, SFP);
+SPARX5_P(19, PCI_WAKE, TWI_SCL_M, SFP);
+SPARX5_P(20, IRQ0_OUT, TWI_SCL_M, SFP);
+SPARX5_P(21, IRQ1_OUT, TACHO, SFP);
+SPARX5_P(22, TACHO, IRQ0_OUT, TWI_SCL_M);
+SPARX5_P(23, PWM, UART3, TWI_SCL_M);
+SPARX5_P(24, PTP2, UART3, TWI_SCL_M);
+SPARX5_P(25, PTP3, SI, TWI_SCL_M);
+SPARX5_P(26, UART2, SI, TWI_SCL_M);
+SPARX5_P(27, UART2, SI, TWI_SCL_M);
+SPARX5_P(28, TWI2, SI, SFP);
+SPARX5_P(29, TWI2, SI, SFP);
+SPARX5_P(30, SG2, SI, PWM);
+SPARX5_P(31, SG2, SI, TWI_SCL_M);
+SPARX5_P(32, SG2, SI, TWI_SCL_M);
+SPARX5_P(33, SG2, SI, SFP);
+SPARX5_P(34, NONE, TWI_SCL_M, EMMC);
+SPARX5_P(35, SFP, TWI_SCL_M, EMMC);
+SPARX5_P(36, SFP, TWI_SCL_M, EMMC);
+SPARX5_P(37, SFP, NONE, EMMC);
+SPARX5_P(38, NONE, TWI_SCL_M, EMMC);
+SPARX5_P(39, SI2, TWI_SCL_M, EMMC);
+SPARX5_P(40, SI2, TWI_SCL_M, EMMC);
+SPARX5_P(41, SI2, TWI_SCL_M, EMMC);
+SPARX5_P(42, SI2, TWI_SCL_M, EMMC);
+SPARX5_P(43, SI2, TWI_SCL_M, EMMC);
+SPARX5_P(44, SI, SFP, EMMC);
+SPARX5_P(45, SI, SFP, EMMC);
+SPARX5_P(46, NONE, SFP, EMMC);
+SPARX5_P(47, NONE, SFP, EMMC);
+SPARX5_P(48, TWI3, SI, SFP);
+SPARX5_P(49, TWI3, NONE, SFP);
+SPARX5_P(50, SFP, NONE, TWI_SCL_M);
+SPARX5_P(51, SFP, SI, TWI_SCL_M);
+SPARX5_P(52, SFP, MIIM, TWI_SCL_M);
+SPARX5_P(53, SFP, MIIM, TWI_SCL_M);
+SPARX5_P(54, SFP, PTP2, TWI_SCL_M);
+SPARX5_P(55, SFP, PTP3, PCI_WAKE);
+SPARX5_P(56, MIIM, SFP, TWI_SCL_M);
+SPARX5_P(57, MIIM, SFP, TWI_SCL_M);
+SPARX5_P(58, MIIM, SFP, TWI_SCL_M);
+SPARX5_P(59, MIIM, SFP, NONE);
+SPARX5_P(60, RECO_CLK, NONE, NONE);
+SPARX5_P(61, RECO_CLK, NONE, NONE);
+SPARX5_P(62, RECO_CLK, PLL_STAT, NONE);
+SPARX5_P(63, RECO_CLK, NONE, NONE);
+
+#define SPARX5_PIN(n) { \
+ .number = n, \
+ .name = "GPIO_"#n, \
+ .drv_data = &sparx5_pin_##n \
+}
+
+static const struct pinctrl_pin_desc sparx5_pins[] = {
+ SPARX5_PIN(0),
+ SPARX5_PIN(1),
+ SPARX5_PIN(2),
+ SPARX5_PIN(3),
+ SPARX5_PIN(4),
+ SPARX5_PIN(5),
+ SPARX5_PIN(6),
+ SPARX5_PIN(7),
+ SPARX5_PIN(8),
+ SPARX5_PIN(9),
+ SPARX5_PIN(10),
+ SPARX5_PIN(11),
+ SPARX5_PIN(12),
+ SPARX5_PIN(13),
+ SPARX5_PIN(14),
+ SPARX5_PIN(15),
+ SPARX5_PIN(16),
+ SPARX5_PIN(17),
+ SPARX5_PIN(18),
+ SPARX5_PIN(19),
+ SPARX5_PIN(20),
+ SPARX5_PIN(21),
+ SPARX5_PIN(22),
+ SPARX5_PIN(23),
+ SPARX5_PIN(24),
+ SPARX5_PIN(25),
+ SPARX5_PIN(26),
+ SPARX5_PIN(27),
+ SPARX5_PIN(28),
+ SPARX5_PIN(29),
+ SPARX5_PIN(30),
+ SPARX5_PIN(31),
+ SPARX5_PIN(32),
+ SPARX5_PIN(33),
+ SPARX5_PIN(34),
+ SPARX5_PIN(35),
+ SPARX5_PIN(36),
+ SPARX5_PIN(37),
+ SPARX5_PIN(38),
+ SPARX5_PIN(39),
+ SPARX5_PIN(40),
+ SPARX5_PIN(41),
+ SPARX5_PIN(42),
+ SPARX5_PIN(43),
+ SPARX5_PIN(44),
+ SPARX5_PIN(45),
+ SPARX5_PIN(46),
+ SPARX5_PIN(47),
+ SPARX5_PIN(48),
+ SPARX5_PIN(49),
+ SPARX5_PIN(50),
+ SPARX5_PIN(51),
+ SPARX5_PIN(52),
+ SPARX5_PIN(53),
+ SPARX5_PIN(54),
+ SPARX5_PIN(55),
+ SPARX5_PIN(56),
+ SPARX5_PIN(57),
+ SPARX5_PIN(58),
+ SPARX5_PIN(59),
+ SPARX5_PIN(60),
+ SPARX5_PIN(61),
+ SPARX5_PIN(62),
+ 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, PWM_a, 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, CLKMON, OB_TRG, RECO_b, NONE, R);
+LAN966X_P(31, GPIO, FC3_c, CAN1, CLKMON, 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, PTPSYNC_0, 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, PWM_b, 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);
+}
+
+static const char *ocelot_get_function_name(struct pinctrl_dev *pctldev,
+ unsigned int function)
+{
+ return ocelot_function_names[function];
+}
+
+static int ocelot_get_function_groups(struct pinctrl_dev *pctldev,
+ unsigned int function,
+ const char *const **groups,
+ unsigned *const num_groups)
+{
+ struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
+
+ *groups = info->func[function].groups;
+ *num_groups = info->func[function].ngroups;
+
+ return 0;
+}
+
+static int ocelot_pin_function_idx(struct ocelot_pinctrl *info,
+ unsigned int pin, unsigned int function)
+{
+ struct ocelot_pin_caps *p = info->desc->pins[pin].drv_data;
+ int i;
+
+ 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;
+}
+
+#define REG_ALT(msb, info, p) (OCELOT_GPIO_ALT0 * (info)->stride + 4 * ((msb) + ((info)->stride * ((p) / 32))))
+
+static int ocelot_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 two bits.
+ * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
+ * ALT[1]
+ * This is racy because both registers can't be updated at the same time
+ * but it doesn't matter much for now.
+ * Note: ALT0/ALT1 are organized specially for 64 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);
+
+ 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,
+ struct pinctrl_gpio_range *range,
+ unsigned int pin, bool input)
+{
+ struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
+ unsigned int p = pin % 32;
+
+ regmap_update_bits(info->map, REG(OCELOT_GPIO_OE, info, pin), BIT(p),
+ input ? 0 : BIT(p));
+
+ return 0;
+}
+
+static int ocelot_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);
+
+ 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,
+ .get_function_groups = ocelot_get_function_groups,
+ .set_mux = ocelot_pinmux_set_mux,
+ .gpio_set_direction = ocelot_gpio_set_direction,
+ .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);
+
+ return info->desc->npins;
+}
+
+static const char *ocelot_pctl_get_group_name(struct pinctrl_dev *pctldev,
+ unsigned int group)
+{
+ struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
+
+ return info->desc->pins[group].name;
+}
+
+static int ocelot_pctl_get_group_pins(struct pinctrl_dev *pctldev,
+ unsigned int group,
+ const unsigned int **pins,
+ unsigned int *num_pins)
+{
+ struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
+
+ *pins = &info->desc->pins[group].number;
+ *num_pins = 1;
+
+ return 0;
+}
+
+static int ocelot_hw_get_value(struct ocelot_pinctrl *info,
+ unsigned int pin,
+ unsigned int reg,
+ int *val)
+{
+ int ret = -EOPNOTSUPP;
+
+ if (info->pincfg) {
+ const struct ocelot_pincfg_data *opd = info->pincfg_data;
+ u32 regcfg;
+
+ ret = regmap_read(info->pincfg,
+ pin * regmap_get_reg_stride(info->pincfg),
+ &regcfg);
+ if (ret)
+ return ret;
+
+ ret = 0;
+ switch (reg) {
+ case PINCONF_BIAS:
+ *val = regcfg & (opd->pd_bit | opd->pu_bit);
+ break;
+
+ case PINCONF_SCHMITT:
+ *val = regcfg & opd->schmitt_bit;
+ break;
+
+ case PINCONF_DRIVE_STRENGTH:
+ *val = regcfg & opd->drive_bits;
+ break;
+
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+ }
+ 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 * regmap_get_reg_stride(info->pincfg),
+ &val);
+ if (ret)
+ return ret;
+
+ val &= ~clrbits;
+ val |= setbits;
+
+ ret = regmap_write(info->pincfg,
+ regaddr * regmap_get_reg_stride(info->pincfg),
+ val);
+
+ return ret;
+}
+
+static int ocelot_hw_set_value(struct ocelot_pinctrl *info,
+ unsigned int pin,
+ unsigned int reg,
+ int val)
+{
+ int ret = -EOPNOTSUPP;
+
+ if (info->pincfg) {
+ const struct ocelot_pincfg_data *opd = info->pincfg_data;
+
+ ret = 0;
+ switch (reg) {
+ case PINCONF_BIAS:
+ ret = ocelot_pincfg_clrsetbits(info, pin,
+ opd->pd_bit | opd->pu_bit,
+ val);
+ break;
+
+ case PINCONF_SCHMITT:
+ ret = ocelot_pincfg_clrsetbits(info, pin,
+ opd->schmitt_bit,
+ val);
+ break;
+
+ case PINCONF_DRIVE_STRENGTH:
+ if (val <= 3)
+ ret = ocelot_pincfg_clrsetbits(info, pin,
+ opd->drive_bits,
+ val);
+ else
+ ret = -EINVAL;
+ break;
+
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+ }
+ return ret;
+}
+
+static int ocelot_pinconf_get(struct pinctrl_dev *pctldev,
+ unsigned int pin, unsigned long *config)
+{
+ struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
+ u32 param = pinconf_to_config_param(*config);
+ int val, err;
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+ case PIN_CONFIG_BIAS_PULL_UP:
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ err = ocelot_hw_get_value(info, pin, PINCONF_BIAS, &val);
+ if (err)
+ return err;
+ if (param == PIN_CONFIG_BIAS_DISABLE)
+ val = (val == 0);
+ else if (param == PIN_CONFIG_BIAS_PULL_DOWN)
+ val = !!(val & info->pincfg_data->pd_bit);
+ else /* PIN_CONFIG_BIAS_PULL_UP */
+ val = !!(val & info->pincfg_data->pu_bit);
+ break;
+
+ case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+ if (!info->pincfg_data->schmitt_bit)
+ return -EOPNOTSUPP;
+
+ err = ocelot_hw_get_value(info, pin, PINCONF_SCHMITT, &val);
+ if (err)
+ return err;
+
+ val = !!(val & info->pincfg_data->schmitt_bit);
+ break;
+
+ case PIN_CONFIG_DRIVE_STRENGTH:
+ err = ocelot_hw_get_value(info, pin, PINCONF_DRIVE_STRENGTH,
+ &val);
+ if (err)
+ return err;
+ break;
+
+ case PIN_CONFIG_OUTPUT:
+ err = regmap_read(info->map, REG(OCELOT_GPIO_OUT, info, pin),
+ &val);
+ if (err)
+ return err;
+ val = !!(val & BIT(pin % 32));
+ break;
+
+ case PIN_CONFIG_INPUT_ENABLE:
+ case PIN_CONFIG_OUTPUT_ENABLE:
+ err = regmap_read(info->map, REG(OCELOT_GPIO_OE, info, pin),
+ &val);
+ if (err)
+ return err;
+ val = val & BIT(pin % 32);
+ if (param == PIN_CONFIG_OUTPUT_ENABLE)
+ val = !!val;
+ else
+ val = !val;
+ break;
+
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ *config = pinconf_to_config_packed(param, val);
+
+ return 0;
+}
+
+static int ocelot_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
+ unsigned long *configs, unsigned int num_configs)
+{
+ struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
+ const struct ocelot_pincfg_data *opd = info->pincfg_data;
+ u32 param, arg, p;
+ int cfg, err = 0;
+
+ for (cfg = 0; cfg < num_configs; cfg++) {
+ param = pinconf_to_config_param(configs[cfg]);
+ arg = pinconf_to_config_argument(configs[cfg]);
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+ case PIN_CONFIG_BIAS_PULL_UP:
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ arg = (param == PIN_CONFIG_BIAS_DISABLE) ? 0 :
+ (param == PIN_CONFIG_BIAS_PULL_UP) ?
+ opd->pu_bit : opd->pd_bit;
+
+ err = ocelot_hw_set_value(info, pin, PINCONF_BIAS, arg);
+ if (err)
+ goto err;
+
+ break;
+
+ case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+ if (!opd->schmitt_bit)
+ return -EOPNOTSUPP;
+
+ arg = arg ? opd->schmitt_bit : 0;
+ err = ocelot_hw_set_value(info, pin, PINCONF_SCHMITT,
+ arg);
+ if (err)
+ goto err;
+
+ break;
+
+ case PIN_CONFIG_DRIVE_STRENGTH:
+ err = ocelot_hw_set_value(info, pin,
+ PINCONF_DRIVE_STRENGTH,
+ arg);
+ if (err)
+ goto err;
+
+ break;
+
+ case PIN_CONFIG_OUTPUT_ENABLE:
+ case PIN_CONFIG_INPUT_ENABLE:
+ case PIN_CONFIG_OUTPUT:
+ p = pin % 32;
+ if (arg)
+ regmap_write(info->map,
+ REG(OCELOT_GPIO_OUT_SET, info,
+ pin),
+ BIT(p));
+ else
+ regmap_write(info->map,
+ REG(OCELOT_GPIO_OUT_CLR, info,
+ pin),
+ BIT(p));
+ regmap_update_bits(info->map,
+ REG(OCELOT_GPIO_OE, info, pin),
+ BIT(p),
+ param == PIN_CONFIG_INPUT_ENABLE ?
+ 0 : BIT(p));
+ break;
+
+ default:
+ err = -EOPNOTSUPP;
+ }
+ }
+err:
+ return err;
+}
+
+static const struct pinconf_ops ocelot_confops = {
+ .is_generic = true,
+ .pin_config_get = ocelot_pinconf_get,
+ .pin_config_set = ocelot_pinconf_set,
+ .pin_config_config_dbg_show = pinconf_generic_dump_config,
+};
+
+static const struct pinctrl_ops ocelot_pctl_ops = {
+ .get_groups_count = ocelot_pctl_get_groups_count,
+ .get_group_name = ocelot_pctl_get_group_name,
+ .get_group_pins = ocelot_pctl_get_group_pins,
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
+ .dt_free_map = pinconf_generic_dt_free_map,
+};
+
+static struct ocelot_match_data luton_desc = {
+ .desc = {
+ .name = "luton-pinctrl",
+ .pins = luton_pins,
+ .npins = ARRAY_SIZE(luton_pins),
+ .pctlops = &ocelot_pctl_ops,
+ .pmxops = &ocelot_pmx_ops,
+ .owner = THIS_MODULE,
+ },
+};
+
+static struct ocelot_match_data serval_desc = {
+ .desc = {
+ .name = "serval-pinctrl",
+ .pins = serval_pins,
+ .npins = ARRAY_SIZE(serval_pins),
+ .pctlops = &ocelot_pctl_ops,
+ .pmxops = &ocelot_pmx_ops,
+ .owner = THIS_MODULE,
+ },
+};
+
+static struct ocelot_match_data ocelot_desc = {
+ .desc = {
+ .name = "ocelot-pinctrl",
+ .pins = ocelot_pins,
+ .npins = ARRAY_SIZE(ocelot_pins),
+ .pctlops = &ocelot_pctl_ops,
+ .pmxops = &ocelot_pmx_ops,
+ .owner = THIS_MODULE,
+ },
+};
+
+static struct ocelot_match_data jaguar2_desc = {
+ .desc = {
+ .name = "jaguar2-pinctrl",
+ .pins = jaguar2_pins,
+ .npins = ARRAY_SIZE(jaguar2_pins),
+ .pctlops = &ocelot_pctl_ops,
+ .pmxops = &ocelot_pmx_ops,
+ .owner = THIS_MODULE,
+ },
+};
+
+static struct ocelot_match_data servalt_desc = {
+ .desc = {
+ .name = "servalt-pinctrl",
+ .pins = servalt_pins,
+ .npins = ARRAY_SIZE(servalt_pins),
+ .pctlops = &ocelot_pctl_ops,
+ .pmxops = &ocelot_pmx_ops,
+ .owner = THIS_MODULE,
+ },
+};
+
+static struct ocelot_match_data sparx5_desc = {
+ .desc = {
+ .name = "sparx5-pinctrl",
+ .pins = sparx5_pins,
+ .npins = ARRAY_SIZE(sparx5_pins),
+ .pctlops = &ocelot_pctl_ops,
+ .pmxops = &ocelot_pmx_ops,
+ .confops = &ocelot_confops,
+ .owner = THIS_MODULE,
+ },
+ .pincfg_data = {
+ .pd_bit = BIT(4),
+ .pu_bit = BIT(3),
+ .drive_bits = GENMASK(1, 0),
+ .schmitt_bit = BIT(2),
+ },
+};
+
+static struct ocelot_match_data lan966x_desc = {
+ .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,
+ },
+ .pincfg_data = {
+ .pd_bit = BIT(3),
+ .pu_bit = BIT(2),
+ .drive_bits = GENMASK(1, 0),
+ },
+};
+
+static int ocelot_create_group_func_map(struct device *dev,
+ struct ocelot_pinctrl *info)
+{
+ int f, npins, i;
+ u8 *pins = kcalloc(info->desc->npins, sizeof(u8), GFP_KERNEL);
+
+ if (!pins)
+ return -ENOMEM;
+
+ for (f = 0; f < FUNC_MAX; f++) {
+ for (npins = 0, i = 0; i < info->desc->npins; i++) {
+ if (ocelot_pin_function_idx(info, i, f) >= 0)
+ pins[npins++] = i;
+ }
+
+ if (!npins)
+ continue;
+
+ info->func[f].ngroups = npins;
+ info->func[f].groups = devm_kcalloc(dev, npins, sizeof(char *),
+ GFP_KERNEL);
+ if (!info->func[f].groups) {
+ kfree(pins);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < npins; i++)
+ info->func[f].groups[i] =
+ info->desc->pins[pins[i]].name;
+ }
+
+ kfree(pins);
+
+ return 0;
+}
+
+static int ocelot_pinctrl_register(struct platform_device *pdev,
+ struct ocelot_pinctrl *info)
+{
+ int ret;
+
+ ret = ocelot_create_group_func_map(&pdev->dev, info);
+ if (ret) {
+ dev_err(&pdev->dev, "Unable to create group func map.\n");
+ return ret;
+ }
+
+ info->pctl = devm_pinctrl_register(&pdev->dev, info->desc, info);
+ if (IS_ERR(info->pctl)) {
+ dev_err(&pdev->dev, "Failed to register pinctrl\n");
+ return PTR_ERR(info->pctl);
+ }
+
+ return 0;
+}
+
+static int ocelot_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+ unsigned int val;
+
+ regmap_read(info->map, REG(OCELOT_GPIO_IN, info, offset), &val);
+
+ return !!(val & BIT(offset % 32));
+}
+
+static void ocelot_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
+{
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+
+ if (value)
+ regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
+ BIT(offset % 32));
+ else
+ regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
+ BIT(offset % 32));
+}
+
+static int ocelot_gpio_get_direction(struct gpio_chip *chip,
+ unsigned int offset)
+{
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+ unsigned int val;
+
+ regmap_read(info->map, REG(OCELOT_GPIO_OE, info, offset), &val);
+
+ if (val & BIT(offset % 32))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
+}
+
+static int ocelot_gpio_direction_input(struct gpio_chip *chip,
+ unsigned int offset)
+{
+ return pinctrl_gpio_direction_input(chip->base + offset);
+}
+
+static int ocelot_gpio_direction_output(struct gpio_chip *chip,
+ unsigned int offset, int value)
+{
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+ unsigned int pin = BIT(offset % 32);
+
+ if (value)
+ regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
+ pin);
+ else
+ regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
+ pin);
+
+ return pinctrl_gpio_direction_output(chip->base + offset);
+}
+
+static const struct gpio_chip ocelot_gpiolib_chip = {
+ .request = gpiochip_generic_request,
+ .free = gpiochip_generic_free,
+ .set = ocelot_gpio_set,
+ .get = ocelot_gpio_get,
+ .get_direction = ocelot_gpio_get_direction,
+ .direction_input = ocelot_gpio_direction_input,
+ .direction_output = ocelot_gpio_direction_output,
+ .owner = THIS_MODULE,
+};
+
+static void ocelot_irq_mask(struct irq_data *data)
+{
+ struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+ unsigned int gpio = irqd_to_hwirq(data);
+
+ regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
+ BIT(gpio % 32), 0);
+ gpiochip_disable_irq(chip, gpio);
+}
+
+static void ocelot_irq_work(struct work_struct *work)
+{
+ struct ocelot_irq_work *w = container_of(work, struct ocelot_irq_work, irq_work);
+ struct irq_chip *parent_chip = irq_desc_get_chip(w->irq_desc);
+ struct gpio_chip *chip = irq_desc_get_chip_data(w->irq_desc);
+ struct irq_data *data = irq_desc_get_irq_data(w->irq_desc);
+ unsigned int gpio = irqd_to_hwirq(data);
+
+ local_irq_disable();
+ chained_irq_enter(parent_chip, w->irq_desc);
+ generic_handle_domain_irq(chip->irq.domain, gpio);
+ chained_irq_exit(parent_chip, w->irq_desc);
+ local_irq_enable();
+
+ kfree(w);
+}
+
+static void ocelot_irq_unmask_level(struct irq_data *data)
+{
+ struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+ struct irq_desc *desc = irq_data_to_desc(data);
+ unsigned int gpio = irqd_to_hwirq(data);
+ unsigned int bit = BIT(gpio % 32);
+ bool ack = false, active = false;
+ u8 trigger_level;
+ int val;
+
+ trigger_level = irqd_get_trigger_type(data);
+
+ /* Check if the interrupt line is still active. */
+ regmap_read(info->map, REG(OCELOT_GPIO_IN, info, gpio), &val);
+ if ((!(val & bit) && trigger_level == IRQ_TYPE_LEVEL_LOW) ||
+ (val & bit && trigger_level == IRQ_TYPE_LEVEL_HIGH))
+ active = true;
+
+ /*
+ * Check if the interrupt controller has seen any changes in the
+ * interrupt line.
+ */
+ regmap_read(info->map, REG(OCELOT_GPIO_INTR, info, gpio), &val);
+ if (val & bit)
+ ack = true;
+
+ /* Try to clear any rising edges */
+ if (!active && ack)
+ regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
+ bit, bit);
+
+ /* Enable the interrupt now */
+ gpiochip_enable_irq(chip, gpio);
+ regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
+ bit, bit);
+
+ /*
+ * In case the interrupt line is still active then it means that
+ * there happen another interrupt while the line was active.
+ * So we missed that one, so we need to kick the interrupt again
+ * handler.
+ */
+ regmap_read(info->map, REG(OCELOT_GPIO_IN, info, gpio), &val);
+ if ((!(val & bit) && trigger_level == IRQ_TYPE_LEVEL_LOW) ||
+ (val & bit && trigger_level == IRQ_TYPE_LEVEL_HIGH))
+ active = true;
+
+ if (active) {
+ struct ocelot_irq_work *work;
+
+ work = kmalloc(sizeof(*work), GFP_ATOMIC);
+ if (!work)
+ return;
+
+ work->irq_desc = desc;
+ INIT_WORK(&work->irq_work, ocelot_irq_work);
+ queue_work(info->wq, &work->irq_work);
+ }
+}
+
+static void ocelot_irq_unmask(struct irq_data *data)
+{
+ struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+ unsigned int gpio = irqd_to_hwirq(data);
+
+ gpiochip_enable_irq(chip, gpio);
+ regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
+ BIT(gpio % 32), BIT(gpio % 32));
+}
+
+static void ocelot_irq_ack(struct irq_data *data)
+{
+ struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+ unsigned int gpio = irqd_to_hwirq(data);
+
+ regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
+ BIT(gpio % 32), BIT(gpio % 32));
+}
+
+static int ocelot_irq_set_type(struct irq_data *data, unsigned int type);
+
+static struct irq_chip ocelot_level_irqchip = {
+ .name = "gpio",
+ .irq_mask = ocelot_irq_mask,
+ .irq_ack = ocelot_irq_ack,
+ .irq_unmask = ocelot_irq_unmask_level,
+ .flags = IRQCHIP_IMMUTABLE,
+ .irq_set_type = ocelot_irq_set_type,
+ GPIOCHIP_IRQ_RESOURCE_HELPERS
+};
+
+static struct irq_chip ocelot_irqchip = {
+ .name = "gpio",
+ .irq_mask = ocelot_irq_mask,
+ .irq_ack = ocelot_irq_ack,
+ .irq_unmask = ocelot_irq_unmask,
+ .irq_set_type = ocelot_irq_set_type,
+ .flags = IRQCHIP_IMMUTABLE,
+ GPIOCHIP_IRQ_RESOURCE_HELPERS
+};
+
+static int ocelot_irq_set_type(struct irq_data *data, unsigned int type)
+{
+ if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW))
+ irq_set_chip_handler_name_locked(data, &ocelot_level_irqchip,
+ handle_level_irq, NULL);
+ if (type & IRQ_TYPE_EDGE_BOTH)
+ irq_set_chip_handler_name_locked(data, &ocelot_irqchip,
+ handle_edge_irq, NULL);
+
+ return 0;
+}
+
+static void ocelot_irq_handler(struct irq_desc *desc)
+{
+ struct irq_chip *parent_chip = irq_desc_get_chip(desc);
+ struct gpio_chip *chip = irq_desc_get_handler_data(desc);
+ struct ocelot_pinctrl *info = gpiochip_get_data(chip);
+ unsigned int id_reg = OCELOT_GPIO_INTR_IDENT * info->stride;
+ unsigned int reg = 0, irq, i;
+ unsigned long irqs;
+
+ for (i = 0; i < info->stride; i++) {
+ regmap_read(info->map, id_reg + 4 * i, &reg);
+ if (!reg)
+ continue;
+
+ chained_irq_enter(parent_chip, desc);
+
+ irqs = reg;
+
+ for_each_set_bit(irq, &irqs,
+ min(32U, info->desc->npins - 32 * i))
+ generic_handle_domain_irq(chip->irq.domain, irq + 32 * i);
+
+ chained_irq_exit(parent_chip, desc);
+ }
+}
+
+static int ocelot_gpiochip_register(struct platform_device *pdev,
+ struct ocelot_pinctrl *info)
+{
+ struct gpio_chip *gc;
+ struct gpio_irq_chip *girq;
+ int irq;
+
+ info->gpio_chip = ocelot_gpiolib_chip;
+
+ gc = &info->gpio_chip;
+ gc->ngpio = info->desc->npins;
+ gc->parent = &pdev->dev;
+ gc->base = -1;
+ gc->label = "ocelot-gpio";
+
+ irq = platform_get_irq_optional(pdev, 0);
+ if (irq > 0) {
+ girq = &gc->irq;
+ gpio_irq_chip_set_chip(girq, &ocelot_irqchip);
+ girq->parent_handler = ocelot_irq_handler;
+ girq->num_parents = 1;
+ girq->parents = devm_kcalloc(&pdev->dev, 1,
+ sizeof(*girq->parents),
+ GFP_KERNEL);
+ if (!girq->parents)
+ return -ENOMEM;
+ girq->parents[0] = irq;
+ girq->default_type = IRQ_TYPE_NONE;
+ girq->handler = handle_edge_irq;
+ }
+
+ return devm_gpiochip_add_data(&pdev->dev, gc, info);
+}
+
+static const struct of_device_id ocelot_pinctrl_of_match[] = {
+ { .compatible = "mscc,luton-pinctrl", .data = &luton_desc },
+ { .compatible = "mscc,serval-pinctrl", .data = &serval_desc },
+ { .compatible = "mscc,ocelot-pinctrl", .data = &ocelot_desc },
+ { .compatible = "mscc,jaguar2-pinctrl", .data = &jaguar2_desc },
+ { .compatible = "mscc,servalt-pinctrl", .data = &servalt_desc },
+ { .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc },
+ { .compatible = "microchip,lan966x-pinctrl", .data = &lan966x_desc },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ocelot_pinctrl_of_match);
+
+static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev,
+ const struct ocelot_pinctrl *info)
+{
+ void __iomem *base;
+
+ const struct regmap_config regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .max_register = info->desc->npins * 4,
+ .name = "pincfg",
+ };
+
+ base = devm_platform_ioremap_resource(pdev, 1);
+ 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, &regmap_config);
+}
+
+static void ocelot_destroy_workqueue(void *data)
+{
+ destroy_workqueue(data);
+}
+
+static int ocelot_pinctrl_probe(struct platform_device *pdev)
+{
+ const struct ocelot_match_data *data;
+ struct device *dev = &pdev->dev;
+ struct ocelot_pinctrl *info;
+ struct reset_control *reset;
+ struct regmap *pincfg;
+ int ret;
+ struct regmap_config regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ };
+
+ info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ data = device_get_match_data(dev);
+ if (!data)
+ return -EINVAL;
+
+ info->desc = devm_kmemdup(dev, &data->desc, sizeof(*info->desc),
+ GFP_KERNEL);
+ if (!info->desc)
+ return -ENOMEM;
+
+ info->wq = alloc_ordered_workqueue("ocelot_ordered", 0);
+ if (!info->wq)
+ return -ENOMEM;
+
+ ret = devm_add_action_or_reset(dev, ocelot_destroy_workqueue,
+ info->wq);
+ if (ret)
+ return ret;
+
+ info->pincfg_data = &data->pincfg_data;
+
+ reset = devm_reset_control_get_optional_shared(dev, "switch");
+ if (IS_ERR(reset))
+ return dev_err_probe(dev, PTR_ERR(reset),
+ "Failed to get reset\n");
+ reset_control_reset(reset);
+
+ info->stride = 1 + (info->desc->npins - 1) / 32;
+
+ regmap_config.max_register = OCELOT_GPIO_SD_MAP * info->stride + 15 * 4;
+
+ info->map = ocelot_regmap_from_resource(pdev, 0, &regmap_config);
+ if (IS_ERR(info->map))
+ return dev_err_probe(dev, PTR_ERR(info->map),
+ "Failed to create regmap\n");
+ dev_set_drvdata(dev, info);
+ info->dev = dev;
+
+ /* Pinconf registers */
+ if (info->desc->confops) {
+ pincfg = ocelot_pinctrl_create_pincfg(pdev, info);
+ if (IS_ERR(pincfg))
+ dev_dbg(dev, "Failed to create pincfg regmap\n");
+ else
+ info->pincfg = pincfg;
+ }
+
+ ret = ocelot_pinctrl_register(pdev, info);
+ if (ret)
+ return ret;
+
+ ret = ocelot_gpiochip_register(pdev, info);
+ if (ret)
+ return ret;
+
+ dev_info(dev, "driver registered\n");
+
+ return 0;
+}
+
+static struct platform_driver ocelot_pinctrl_driver = {
+ .driver = {
+ .name = "pinctrl-ocelot",
+ .of_match_table = of_match_ptr(ocelot_pinctrl_of_match),
+ .suppress_bind_attrs = true,
+ },
+ .probe = ocelot_pinctrl_probe,
+};
+module_platform_driver(ocelot_pinctrl_driver);
+
+MODULE_DESCRIPTION("Ocelot Chip Pinctrl Driver");
+MODULE_LICENSE("Dual MIT/GPL");