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openwrt/target/linux/microchipsw/patches-6.12/0003-v6.13-pinctrl-ocelot-add-support-for-lan969x-SoC-pinctrl.patch
Robert Marko 88a404a2d1
microchipsw: add support for Microchip LAN969x switches 
Add a new microchipsw target aimed add supporting Microchip switch
SoC-s.

Start by supporting LAN969x SoC-s as the first subtarget.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
2025-12-03 12:13:17 +01:00

348 lines
15 KiB
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From bcf540500e1feb072cf7659f71a437a63f1735f9 Mon Sep 17 00:00:00 2001
From: Daniel Machon <daniel.machon@microchip.com>
Date: Tue, 17 Sep 2024 14:45:41 +0200
Subject: [PATCH 03/25] pinctrl: ocelot: add support for lan969x SoC pinctrl
This adds support for lan969x SoC pinctrl, reusing the existing ocelot
driver. There are 66 General Purpose I/O pins that are individually
configurable to multiple interfaces.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://lore.kernel.org/20240917-lan969x-pinctrl-v2-2-ea02cbc56831@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/pinctrl/pinctrl-ocelot.c | 203 +++++++++++++++++++++++++++++++
1 file changed, 203 insertions(+)
--- a/drivers/pinctrl/pinctrl-ocelot.c
+++ b/drivers/pinctrl/pinctrl-ocelot.c
@@ -57,6 +57,8 @@ enum {
FUNC_CAN1,
FUNC_CLKMON,
FUNC_NONE,
+ FUNC_FAN,
+ FUNC_FC,
FUNC_FC0_a,
FUNC_FC0_b,
FUNC_FC0_c,
@@ -71,6 +73,7 @@ enum {
FUNC_FC4_a,
FUNC_FC4_b,
FUNC_FC4_c,
+ FUNC_FC_SHRD,
FUNC_FC_SHRD0,
FUNC_FC_SHRD1,
FUNC_FC_SHRD2,
@@ -92,6 +95,7 @@ enum {
FUNC_FC_SHRD18,
FUNC_FC_SHRD19,
FUNC_FC_SHRD20,
+ FUNC_FUSA,
FUNC_GPIO,
FUNC_IB_TRG_a,
FUNC_IB_TRG_b,
@@ -108,6 +112,8 @@ enum {
FUNC_IRQ1,
FUNC_IRQ1_IN,
FUNC_IRQ1_OUT,
+ FUNC_IRQ3,
+ FUNC_IRQ4,
FUNC_EXT_IRQ,
FUNC_MIIM,
FUNC_MIIM_a,
@@ -115,12 +121,14 @@ enum {
FUNC_MIIM_c,
FUNC_MIIM_Sa,
FUNC_MIIM_Sb,
+ FUNC_MIIM_IRQ,
FUNC_OB_TRG,
FUNC_OB_TRG_a,
FUNC_OB_TRG_b,
FUNC_PHY_LED,
FUNC_PCI_WAKE,
FUNC_MD,
+ FUNC_PCIE_PERST,
FUNC_PTP0,
FUNC_PTP1,
FUNC_PTP2,
@@ -152,6 +160,7 @@ enum {
FUNC_SGPIO_b,
FUNC_SI,
FUNC_SI2,
+ FUNC_SYNCE,
FUNC_TACHO,
FUNC_TACHO_a,
FUNC_TACHO_b,
@@ -170,6 +179,10 @@ enum {
FUNC_USB_S_a,
FUNC_USB_S_b,
FUNC_USB_S_c,
+ FUNC_USB_POWER,
+ FUNC_USB2PHY_RST,
+ FUNC_USB_OVER_DETECT,
+ FUNC_USB_ULPI,
FUNC_PLL_STAT,
FUNC_EMMC,
FUNC_EMMC_SD,
@@ -184,6 +197,8 @@ static const char *const ocelot_function
[FUNC_CAN1] = "can1",
[FUNC_CLKMON] = "clkmon",
[FUNC_NONE] = "none",
+ [FUNC_FAN] = "fan",
+ [FUNC_FC] = "fc",
[FUNC_FC0_a] = "fc0_a",
[FUNC_FC0_b] = "fc0_b",
[FUNC_FC0_c] = "fc0_c",
@@ -198,6 +213,7 @@ static const char *const ocelot_function
[FUNC_FC4_a] = "fc4_a",
[FUNC_FC4_b] = "fc4_b",
[FUNC_FC4_c] = "fc4_c",
+ [FUNC_FC_SHRD] = "fc_shrd",
[FUNC_FC_SHRD0] = "fc_shrd0",
[FUNC_FC_SHRD1] = "fc_shrd1",
[FUNC_FC_SHRD2] = "fc_shrd2",
@@ -219,6 +235,7 @@ static const char *const ocelot_function
[FUNC_FC_SHRD18] = "fc_shrd18",
[FUNC_FC_SHRD19] = "fc_shrd19",
[FUNC_FC_SHRD20] = "fc_shrd20",
+ [FUNC_FUSA] = "fusa",
[FUNC_GPIO] = "gpio",
[FUNC_IB_TRG_a] = "ib_trig_a",
[FUNC_IB_TRG_b] = "ib_trig_b",
@@ -235,6 +252,8 @@ static const char *const ocelot_function
[FUNC_IRQ1] = "irq1",
[FUNC_IRQ1_IN] = "irq1_in",
[FUNC_IRQ1_OUT] = "irq1_out",
+ [FUNC_IRQ3] = "irq3",
+ [FUNC_IRQ4] = "irq4",
[FUNC_EXT_IRQ] = "ext_irq",
[FUNC_MIIM] = "miim",
[FUNC_MIIM_a] = "miim_a",
@@ -242,8 +261,10 @@ static const char *const ocelot_function
[FUNC_MIIM_c] = "miim_c",
[FUNC_MIIM_Sa] = "miim_slave_a",
[FUNC_MIIM_Sb] = "miim_slave_b",
+ [FUNC_MIIM_IRQ] = "miim_irq",
[FUNC_PHY_LED] = "phy_led",
[FUNC_PCI_WAKE] = "pci_wake",
+ [FUNC_PCIE_PERST] = "pcie_perst",
[FUNC_MD] = "md",
[FUNC_OB_TRG] = "ob_trig",
[FUNC_OB_TRG_a] = "ob_trig_a",
@@ -279,6 +300,7 @@ static const char *const ocelot_function
[FUNC_SGPIO_b] = "sgpio_b",
[FUNC_SI] = "si",
[FUNC_SI2] = "si2",
+ [FUNC_SYNCE] = "synce",
[FUNC_TACHO] = "tacho",
[FUNC_TACHO_a] = "tacho_a",
[FUNC_TACHO_b] = "tacho_b",
@@ -294,6 +316,10 @@ static const char *const ocelot_function
[FUNC_USB_S_a] = "usb_slave_a",
[FUNC_USB_S_b] = "usb_slave_b",
[FUNC_USB_S_c] = "usb_slave_c",
+ [FUNC_USB_POWER] = "usb_power",
+ [FUNC_USB2PHY_RST] = "usb2phy_rst",
+ [FUNC_USB_OVER_DETECT] = "usb_over_detect",
+ [FUNC_USB_ULPI] = "usb_ulpi",
[FUNC_UART] = "uart",
[FUNC_UART2] = "uart2",
[FUNC_UART3] = "uart3",
@@ -1136,6 +1162,165 @@ static const struct pinctrl_pin_desc lan
LAN966X_PIN(77),
};
+#define LAN969X_P(p, f0, f1, f2, f3, f4, f5, f6, f7) \
+static struct ocelot_pin_caps lan969x_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 */
+LAN969X_P(0, GPIO, IRQ0, FC_SHRD, PCIE_PERST, NONE, NONE, NONE, R);
+LAN969X_P(1, GPIO, IRQ1, FC_SHRD, USB_POWER, NONE, NONE, NONE, R);
+LAN969X_P(2, GPIO, FC, NONE, NONE, NONE, NONE, NONE, R);
+LAN969X_P(3, GPIO, FC, NONE, NONE, NONE, NONE, NONE, R);
+LAN969X_P(4, GPIO, FC, NONE, NONE, NONE, NONE, NONE, R);
+LAN969X_P(5, GPIO, SGPIO_a, NONE, CLKMON, NONE, NONE, NONE, R);
+LAN969X_P(6, GPIO, SGPIO_a, NONE, CLKMON, NONE, NONE, NONE, R);
+LAN969X_P(7, GPIO, SGPIO_a, NONE, CLKMON, NONE, NONE, NONE, R);
+LAN969X_P(8, GPIO, SGPIO_a, NONE, CLKMON, NONE, NONE, NONE, R);
+LAN969X_P(9, GPIO, MIIM, MIIM_Sa, CLKMON, NONE, NONE, NONE, R);
+LAN969X_P(10, GPIO, MIIM, MIIM_Sa, CLKMON, NONE, NONE, NONE, R);
+LAN969X_P(11, GPIO, MIIM_IRQ, MIIM_Sa, CLKMON, NONE, NONE, NONE, R);
+LAN969X_P(12, GPIO, IRQ3, FC_SHRD, USB2PHY_RST, NONE, NONE, NONE, R);
+LAN969X_P(13, GPIO, IRQ4, FC_SHRD, USB_OVER_DETECT, NONE, NONE, NONE, R);
+LAN969X_P(14, GPIO, EMMC_SD, QSPI1, FC, NONE, NONE, NONE, R);
+LAN969X_P(15, GPIO, EMMC_SD, QSPI1, FC, NONE, NONE, NONE, R);
+LAN969X_P(16, GPIO, EMMC_SD, QSPI1, FC, NONE, NONE, NONE, R);
+LAN969X_P(17, GPIO, EMMC_SD, QSPI1, PTPSYNC_0, USB_POWER, NONE, NONE, R);
+LAN969X_P(18, GPIO, EMMC_SD, QSPI1, PTPSYNC_1, USB2PHY_RST, NONE, NONE, R);
+LAN969X_P(19, GPIO, EMMC_SD, QSPI1, PTPSYNC_2, USB_OVER_DETECT, NONE, NONE, R);
+LAN969X_P(20, GPIO, EMMC_SD, NONE, FC_SHRD, NONE, NONE, NONE, R);
+LAN969X_P(21, GPIO, EMMC_SD, NONE, FC_SHRD, NONE, NONE, NONE, R);
+LAN969X_P(22, GPIO, EMMC_SD, NONE, FC_SHRD, NONE, NONE, NONE, R);
+LAN969X_P(23, GPIO, EMMC_SD, NONE, FC_SHRD, NONE, NONE, NONE, R);
+LAN969X_P(24, GPIO, EMMC_SD, NONE, NONE, NONE, NONE, NONE, R);
+LAN969X_P(25, GPIO, FAN, FUSA, CAN0_a, QSPI1, NONE, NONE, R);
+LAN969X_P(26, GPIO, FAN, FUSA, CAN0_a, QSPI1, NONE, NONE, R);
+LAN969X_P(27, GPIO, SYNCE, FC, MIIM, QSPI1, NONE, NONE, R);
+LAN969X_P(28, GPIO, SYNCE, FC, MIIM, QSPI1, NONE, NONE, R);
+LAN969X_P(29, GPIO, SYNCE, FC, MIIM_IRQ, QSPI1, NONE, NONE, R);
+LAN969X_P(30, GPIO, PTPSYNC_0, USB_ULPI, FC_SHRD, QSPI1, NONE, NONE, R);
+LAN969X_P(31, GPIO, PTPSYNC_1, USB_ULPI, FC_SHRD, NONE, NONE, NONE, R);
+LAN969X_P(32, GPIO, PTPSYNC_2, USB_ULPI, FC_SHRD, NONE, NONE, NONE, R);
+LAN969X_P(33, GPIO, SD, USB_ULPI, FC_SHRD, NONE, NONE, NONE, R);
+LAN969X_P(34, GPIO, SD, USB_ULPI, CAN1, FC_SHRD, NONE, NONE, R);
+LAN969X_P(35, GPIO, SD, USB_ULPI, CAN1, FC_SHRD, NONE, NONE, R);
+LAN969X_P(36, GPIO, SD, USB_ULPI, PCIE_PERST, FC_SHRD, NONE, NONE, R);
+LAN969X_P(37, GPIO, SD, USB_ULPI, CAN0_b, NONE, NONE, NONE, R);
+LAN969X_P(38, GPIO, SD, USB_ULPI, CAN0_b, NONE, NONE, NONE, R);
+LAN969X_P(39, GPIO, SD, USB_ULPI, MIIM, NONE, NONE, NONE, R);
+LAN969X_P(40, GPIO, SD, USB_ULPI, MIIM, NONE, NONE, NONE, R);
+LAN969X_P(41, GPIO, SD, USB_ULPI, MIIM_IRQ, NONE, NONE, NONE, R);
+LAN969X_P(42, GPIO, PTPSYNC_3, CAN1, NONE, NONE, NONE, NONE, R);
+LAN969X_P(43, GPIO, PTPSYNC_4, CAN1, NONE, NONE, NONE, NONE, R);
+LAN969X_P(44, GPIO, PTPSYNC_5, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(45, GPIO, PTPSYNC_6, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(46, GPIO, PTPSYNC_7, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(47, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(48, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(49, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(50, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(51, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(52, GPIO, FAN, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(53, GPIO, FAN, SFP_SD, NONE, NONE, NONE, NONE, R);
+LAN969X_P(54, GPIO, SYNCE, FC, NONE, NONE, NONE, NONE, R);
+LAN969X_P(55, GPIO, SYNCE, FC, NONE, NONE, NONE, NONE, R);
+LAN969X_P(56, GPIO, SYNCE, FC, NONE, NONE, NONE, NONE, R);
+LAN969X_P(57, GPIO, SFP_SD, FC_SHRD, TWI, PTPSYNC_3, NONE, NONE, R);
+LAN969X_P(58, GPIO, SFP_SD, FC_SHRD, TWI, PTPSYNC_4, NONE, NONE, R);
+LAN969X_P(59, GPIO, SFP_SD, FC_SHRD, TWI, PTPSYNC_5, NONE, NONE, R);
+LAN969X_P(60, GPIO, SFP_SD, FC_SHRD, TWI, PTPSYNC_6, NONE, NONE, R);
+LAN969X_P(61, GPIO, MIIM, FC_SHRD, TWI, NONE, NONE, NONE, R);
+LAN969X_P(62, GPIO, MIIM, FC_SHRD, TWI, NONE, NONE, NONE, R);
+LAN969X_P(63, GPIO, MIIM_IRQ, FC_SHRD, TWI, NONE, NONE, NONE, R);
+LAN969X_P(64, GPIO, FC, FC_SHRD, TWI, NONE, NONE, NONE, R);
+LAN969X_P(65, GPIO, FC, FC_SHRD, TWI, NONE, NONE, NONE, R);
+LAN969X_P(66, GPIO, FC, FC_SHRD, TWI, NONE, NONE, NONE, R);
+
+#define LAN969X_PIN(n) { \
+ .number = n, \
+ .name = "GPIO_"#n, \
+ .drv_data = &lan969x_pin_##n \
+}
+
+static const struct pinctrl_pin_desc lan969x_pins[] = {
+ LAN969X_PIN(0),
+ LAN969X_PIN(1),
+ LAN969X_PIN(2),
+ LAN969X_PIN(3),
+ LAN969X_PIN(4),
+ LAN969X_PIN(5),
+ LAN969X_PIN(6),
+ LAN969X_PIN(7),
+ LAN969X_PIN(8),
+ LAN969X_PIN(9),
+ LAN969X_PIN(10),
+ LAN969X_PIN(11),
+ LAN969X_PIN(12),
+ LAN969X_PIN(13),
+ LAN969X_PIN(14),
+ LAN969X_PIN(15),
+ LAN969X_PIN(16),
+ LAN969X_PIN(17),
+ LAN969X_PIN(18),
+ LAN969X_PIN(19),
+ LAN969X_PIN(20),
+ LAN969X_PIN(21),
+ LAN969X_PIN(22),
+ LAN969X_PIN(23),
+ LAN969X_PIN(24),
+ LAN969X_PIN(25),
+ LAN969X_PIN(26),
+ LAN969X_PIN(27),
+ LAN969X_PIN(28),
+ LAN969X_PIN(29),
+ LAN969X_PIN(30),
+ LAN969X_PIN(31),
+ LAN969X_PIN(32),
+ LAN969X_PIN(33),
+ LAN969X_PIN(34),
+ LAN969X_PIN(35),
+ LAN969X_PIN(36),
+ LAN969X_PIN(37),
+ LAN969X_PIN(38),
+ LAN969X_PIN(39),
+ LAN969X_PIN(40),
+ LAN969X_PIN(41),
+ LAN969X_PIN(42),
+ LAN969X_PIN(43),
+ LAN969X_PIN(44),
+ LAN969X_PIN(45),
+ LAN969X_PIN(46),
+ LAN969X_PIN(47),
+ LAN969X_PIN(48),
+ LAN969X_PIN(49),
+ LAN969X_PIN(50),
+ LAN969X_PIN(51),
+ LAN969X_PIN(52),
+ LAN969X_PIN(53),
+ LAN969X_PIN(54),
+ LAN969X_PIN(55),
+ LAN969X_PIN(56),
+ LAN969X_PIN(57),
+ LAN969X_PIN(58),
+ LAN969X_PIN(59),
+ LAN969X_PIN(60),
+ LAN969X_PIN(61),
+ LAN969X_PIN(62),
+ LAN969X_PIN(63),
+ LAN969X_PIN(64),
+ LAN969X_PIN(65),
+ LAN969X_PIN(66),
+};
+
static int ocelot_get_functions_count(struct pinctrl_dev *pctldev)
{
return ARRAY_SIZE(ocelot_function_names);
@@ -1682,6 +1867,23 @@ static struct ocelot_match_data lan966x_
},
};
+static struct ocelot_match_data lan969x_desc = {
+ .desc = {
+ .name = "lan969x-pinctrl",
+ .pins = lan969x_pins,
+ .npins = ARRAY_SIZE(lan969x_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)
{
@@ -2014,6 +2216,7 @@ static const struct of_device_id ocelot_
{ .compatible = "mscc,servalt-pinctrl", .data = &servalt_desc },
{ .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc },
{ .compatible = "microchip,lan966x-pinctrl", .data = &lan966x_desc },
+ { .compatible = "microchip,lan9691-pinctrl", .data = &lan969x_desc },
{},
};
MODULE_DEVICE_TABLE(of, ocelot_pinctrl_of_match);
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