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Diffstat (limited to 'target/linux/bcm63xx/patches-5.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch')
-rw-r--r--target/linux/bcm63xx/patches-5.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch736
1 files changed, 736 insertions, 0 deletions
diff --git a/target/linux/bcm63xx/patches-5.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch b/target/linux/bcm63xx/patches-5.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch
new file mode 100644
index 0000000000..089d14e3e4
--- /dev/null
+++ b/target/linux/bcm63xx/patches-5.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch
@@ -0,0 +1,736 @@
+From 8665d3ea63649cc155286c75f83f694a930580e5 Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jonas.gorski@gmail.com>
+Date: Fri, 24 Jun 2016 22:19:12 +0200
+Subject: [PATCH 13/16] pinctrl: add a pincontrol driver for BCM63268
+
+Add a pincontrol driver for BCM63268. BCM63268 allows muxing GPIOs
+to different functions. Depending on the mux, these are either single
+pin configurations or whole pin groups.
+
+Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
+---
+ drivers/pinctrl/bcm63xx/Makefile | 1 +
+ drivers/pinctrl/bcm63xx/pinctrl-bcm63268.c | 710 +++++++++++++++++++++++++++++
+ 2 files changed, 711 insertions(+)
+ create mode 100644 drivers/pinctrl/bcm63xx/pinctrl-bcm63268.c
+
+--- a/drivers/pinctrl/bcm63xx/Makefile
++++ b/drivers/pinctrl/bcm63xx/Makefile
+@@ -4,3 +4,4 @@ obj-$(CONFIG_PINCTRL_BCM6348) += pinctrl
+ obj-$(CONFIG_PINCTRL_BCM6358) += pinctrl-bcm6358.o
+ obj-$(CONFIG_PINCTRL_BCM6362) += pinctrl-bcm6362.o
+ obj-$(CONFIG_PINCTRL_BCM6368) += pinctrl-bcm6368.o
++obj-$(CONFIG_PINCTRL_BCM63268) += pinctrl-bcm63268.o
+--- /dev/null
++++ b/drivers/pinctrl/bcm63xx/pinctrl-bcm63268.c
+@@ -0,0 +1,710 @@
++/*
++ * This file is subject to the terms and conditions of the GNU General Public
++ * License. See the file "COPYING" in the main directory of this archive
++ * for more details.
++ *
++ * Copyright (C) 2016 Jonas Gorski <jonas.gorski@gmail.com>
++ */
++
++#include <linux/kernel.h>
++#include <linux/spinlock.h>
++#include <linux/bitops.h>
++#include <linux/gpio.h>
++#include <linux/of.h>
++#include <linux/of_gpio.h>
++#include <linux/slab.h>
++#include <linux/platform_device.h>
++
++#include <linux/pinctrl/pinconf.h>
++#include <linux/pinctrl/pinconf-generic.h>
++#include <linux/pinctrl/pinmux.h>
++#include <linux/pinctrl/machine.h>
++
++#include "../core.h"
++#include "../pinctrl-utils.h"
++
++#include "pinctrl-bcm63xx.h"
++
++#define BCM63268_NGPIO 52
++
++/* GPIO_BASEMODE register */
++#define BASEMODE_NAND BIT(2) /* GPIOs 2-7, 24-31 */
++#define BASEMODE_GPIO35 BIT(4) /* GPIO 35 */
++#define BASEMODE_DECTPD BIT(5) /* GPIOs 8/9 */
++#define BASEMODE_VDSL_PHY_0 BIT(6) /* GPIOs 10/11 */
++#define BASEMODE_VDSL_PHY_1 BIT(7) /* GPIOs 12/13 */
++#define BASEMODE_VDSL_PHY_2 BIT(8) /* GPIOs 24/25 */
++#define BASEMODE_VDSL_PHY_3 BIT(9) /* GPIOs 26/27 */
++
++enum bcm63268_pinctrl_reg {
++ BCM63268_LEDCTRL,
++ BCM63268_MODE,
++ BCM63268_CTRL,
++ BCM63268_BASEMODE,
++};
++
++struct bcm63268_pingroup {
++ const char *name;
++ const unsigned * const pins;
++ const unsigned num_pins;
++};
++
++struct bcm63268_function {
++ const char *name;
++ const char * const *groups;
++ const unsigned num_groups;
++
++ enum bcm63268_pinctrl_reg reg;
++ u32 mask;
++};
++
++struct bcm63268_pinctrl {
++ struct pinctrl_dev *pctldev;
++ struct pinctrl_desc desc;
++
++ void __iomem *led;
++ void __iomem *mode;
++ void __iomem *ctrl;
++ void __iomem *basemode;
++
++ /* register access lock */
++ spinlock_t lock;
++
++ struct gpio_chip gpio[2];
++};
++
++#define BCM63268_PIN(a, b, basemode) \
++ { \
++ .number = a, \
++ .name = b, \
++ .drv_data = (void *)(basemode) \
++ }
++
++static const struct pinctrl_pin_desc bcm63268_pins[] = {
++ PINCTRL_PIN(0, "gpio0"),
++ PINCTRL_PIN(1, "gpio1"),
++ BCM63268_PIN(2, "gpio2", BASEMODE_NAND),
++ BCM63268_PIN(3, "gpio3", BASEMODE_NAND),
++ BCM63268_PIN(4, "gpio4", BASEMODE_NAND),
++ BCM63268_PIN(5, "gpio5", BASEMODE_NAND),
++ BCM63268_PIN(6, "gpio6", BASEMODE_NAND),
++ BCM63268_PIN(7, "gpio7", BASEMODE_NAND),
++ BCM63268_PIN(8, "gpio8", BASEMODE_DECTPD),
++ BCM63268_PIN(9, "gpio9", BASEMODE_DECTPD),
++ BCM63268_PIN(10, "gpio10", BASEMODE_VDSL_PHY_0),
++ BCM63268_PIN(11, "gpio11", BASEMODE_VDSL_PHY_0),
++ BCM63268_PIN(12, "gpio12", BASEMODE_VDSL_PHY_1),
++ BCM63268_PIN(13, "gpio13", BASEMODE_VDSL_PHY_1),
++ PINCTRL_PIN(14, "gpio14"),
++ PINCTRL_PIN(15, "gpio15"),
++ PINCTRL_PIN(16, "gpio16"),
++ PINCTRL_PIN(17, "gpio17"),
++ PINCTRL_PIN(18, "gpio18"),
++ PINCTRL_PIN(19, "gpio19"),
++ PINCTRL_PIN(20, "gpio20"),
++ PINCTRL_PIN(21, "gpio21"),
++ PINCTRL_PIN(22, "gpio22"),
++ PINCTRL_PIN(23, "gpio23"),
++ BCM63268_PIN(24, "gpio24", BASEMODE_NAND | BASEMODE_VDSL_PHY_2),
++ BCM63268_PIN(25, "gpio25", BASEMODE_NAND | BASEMODE_VDSL_PHY_2),
++ BCM63268_PIN(26, "gpio26", BASEMODE_NAND | BASEMODE_VDSL_PHY_3),
++ BCM63268_PIN(27, "gpio27", BASEMODE_NAND | BASEMODE_VDSL_PHY_3),
++ BCM63268_PIN(28, "gpio28", BASEMODE_NAND),
++ BCM63268_PIN(29, "gpio29", BASEMODE_NAND),
++ BCM63268_PIN(30, "gpio30", BASEMODE_NAND),
++ BCM63268_PIN(31, "gpio31", BASEMODE_NAND),
++ PINCTRL_PIN(32, "gpio32"),
++ PINCTRL_PIN(33, "gpio33"),
++ PINCTRL_PIN(34, "gpio34"),
++ PINCTRL_PIN(35, "gpio35"),
++ PINCTRL_PIN(36, "gpio36"),
++ PINCTRL_PIN(37, "gpio37"),
++ PINCTRL_PIN(38, "gpio38"),
++ PINCTRL_PIN(39, "gpio39"),
++ PINCTRL_PIN(40, "gpio40"),
++ PINCTRL_PIN(41, "gpio41"),
++ PINCTRL_PIN(42, "gpio42"),
++ PINCTRL_PIN(43, "gpio43"),
++ PINCTRL_PIN(44, "gpio44"),
++ PINCTRL_PIN(45, "gpio45"),
++ PINCTRL_PIN(46, "gpio46"),
++ PINCTRL_PIN(47, "gpio47"),
++ PINCTRL_PIN(48, "gpio48"),
++ PINCTRL_PIN(49, "gpio49"),
++ PINCTRL_PIN(50, "gpio50"),
++ PINCTRL_PIN(51, "gpio51"),
++};
++
++static unsigned gpio0_pins[] = { 0 };
++static unsigned gpio1_pins[] = { 1 };
++static unsigned gpio2_pins[] = { 2 };
++static unsigned gpio3_pins[] = { 3 };
++static unsigned gpio4_pins[] = { 4 };
++static unsigned gpio5_pins[] = { 5 };
++static unsigned gpio6_pins[] = { 6 };
++static unsigned gpio7_pins[] = { 7 };
++static unsigned gpio8_pins[] = { 8 };
++static unsigned gpio9_pins[] = { 9 };
++static unsigned gpio10_pins[] = { 10 };
++static unsigned gpio11_pins[] = { 11 };
++static unsigned gpio12_pins[] = { 12 };
++static unsigned gpio13_pins[] = { 13 };
++static unsigned gpio14_pins[] = { 14 };
++static unsigned gpio15_pins[] = { 15 };
++static unsigned gpio16_pins[] = { 16 };
++static unsigned gpio17_pins[] = { 17 };
++static unsigned gpio18_pins[] = { 18 };
++static unsigned gpio19_pins[] = { 19 };
++static unsigned gpio20_pins[] = { 20 };
++static unsigned gpio21_pins[] = { 21 };
++static unsigned gpio22_pins[] = { 22 };
++static unsigned gpio23_pins[] = { 23 };
++static unsigned gpio24_pins[] = { 24 };
++static unsigned gpio25_pins[] = { 25 };
++static unsigned gpio26_pins[] = { 26 };
++static unsigned gpio27_pins[] = { 27 };
++static unsigned gpio28_pins[] = { 28 };
++static unsigned gpio29_pins[] = { 29 };
++static unsigned gpio30_pins[] = { 30 };
++static unsigned gpio31_pins[] = { 31 };
++static unsigned gpio32_pins[] = { 32 };
++static unsigned gpio33_pins[] = { 33 };
++static unsigned gpio34_pins[] = { 34 };
++static unsigned gpio35_pins[] = { 35 };
++static unsigned gpio36_pins[] = { 36 };
++static unsigned gpio37_pins[] = { 37 };
++static unsigned gpio38_pins[] = { 38 };
++static unsigned gpio39_pins[] = { 39 };
++static unsigned gpio40_pins[] = { 40 };
++static unsigned gpio41_pins[] = { 41 };
++static unsigned gpio42_pins[] = { 42 };
++static unsigned gpio43_pins[] = { 43 };
++static unsigned gpio44_pins[] = { 44 };
++static unsigned gpio45_pins[] = { 45 };
++static unsigned gpio46_pins[] = { 46 };
++static unsigned gpio47_pins[] = { 47 };
++static unsigned gpio48_pins[] = { 48 };
++static unsigned gpio49_pins[] = { 49 };
++static unsigned gpio50_pins[] = { 50 };
++static unsigned gpio51_pins[] = { 51 };
++
++static unsigned nand_grp_pins[] = {
++ 2, 3, 4, 5, 6, 7, 24,
++ 25, 26, 27, 28, 29, 30, 31,
++};
++
++static unsigned dectpd_grp_pins[] = { 8, 9 };
++static unsigned vdsl_phy0_grp_pins[] = { 10, 11 };
++static unsigned vdsl_phy1_grp_pins[] = { 12, 13 };
++static unsigned vdsl_phy2_grp_pins[] = { 24, 25 };
++static unsigned vdsl_phy3_grp_pins[] = { 26, 27 };
++
++#define BCM63268_GROUP(n) \
++ { \
++ .name = #n, \
++ .pins = n##_pins, \
++ .num_pins = ARRAY_SIZE(n##_pins), \
++ }
++
++static struct bcm63268_pingroup bcm63268_groups[] = {
++ BCM63268_GROUP(gpio0),
++ BCM63268_GROUP(gpio1),
++ BCM63268_GROUP(gpio2),
++ BCM63268_GROUP(gpio3),
++ BCM63268_GROUP(gpio4),
++ BCM63268_GROUP(gpio5),
++ BCM63268_GROUP(gpio6),
++ BCM63268_GROUP(gpio7),
++ BCM63268_GROUP(gpio8),
++ BCM63268_GROUP(gpio9),
++ BCM63268_GROUP(gpio10),
++ BCM63268_GROUP(gpio11),
++ BCM63268_GROUP(gpio12),
++ BCM63268_GROUP(gpio13),
++ BCM63268_GROUP(gpio14),
++ BCM63268_GROUP(gpio15),
++ BCM63268_GROUP(gpio16),
++ BCM63268_GROUP(gpio17),
++ BCM63268_GROUP(gpio18),
++ BCM63268_GROUP(gpio19),
++ BCM63268_GROUP(gpio20),
++ BCM63268_GROUP(gpio21),
++ BCM63268_GROUP(gpio22),
++ BCM63268_GROUP(gpio23),
++ BCM63268_GROUP(gpio24),
++ BCM63268_GROUP(gpio25),
++ BCM63268_GROUP(gpio26),
++ BCM63268_GROUP(gpio27),
++ BCM63268_GROUP(gpio28),
++ BCM63268_GROUP(gpio29),
++ BCM63268_GROUP(gpio30),
++ BCM63268_GROUP(gpio31),
++ BCM63268_GROUP(gpio32),
++ BCM63268_GROUP(gpio33),
++ BCM63268_GROUP(gpio34),
++ BCM63268_GROUP(gpio35),
++ BCM63268_GROUP(gpio36),
++ BCM63268_GROUP(gpio37),
++ BCM63268_GROUP(gpio38),
++ BCM63268_GROUP(gpio39),
++ BCM63268_GROUP(gpio40),
++ BCM63268_GROUP(gpio41),
++ BCM63268_GROUP(gpio42),
++ BCM63268_GROUP(gpio43),
++ BCM63268_GROUP(gpio44),
++ BCM63268_GROUP(gpio45),
++ BCM63268_GROUP(gpio46),
++ BCM63268_GROUP(gpio47),
++ BCM63268_GROUP(gpio48),
++ BCM63268_GROUP(gpio49),
++ BCM63268_GROUP(gpio50),
++ BCM63268_GROUP(gpio51),
++
++ /* multi pin groups */
++ BCM63268_GROUP(nand_grp),
++ BCM63268_GROUP(dectpd_grp),
++ BCM63268_GROUP(vdsl_phy0_grp),
++ BCM63268_GROUP(vdsl_phy1_grp),
++ BCM63268_GROUP(vdsl_phy2_grp),
++ BCM63268_GROUP(vdsl_phy3_grp),
++};
++
++static const char * const led_groups[] = {
++ "gpio0",
++ "gpio1",
++ "gpio2",
++ "gpio3",
++ "gpio4",
++ "gpio5",
++ "gpio6",
++ "gpio7",
++ "gpio8",
++ "gpio9",
++ "gpio10",
++ "gpio11",
++ "gpio12",
++ "gpio13",
++ "gpio14",
++ "gpio15",
++ "gpio16",
++ "gpio17",
++ "gpio18",
++ "gpio19",
++ "gpio20",
++ "gpio21",
++ "gpio22",
++ "gpio23",
++};
++
++static const char * const serial_led_clk_groups[] = {
++ "gpio0",
++};
++
++static const char * const serial_led_data_groups[] = {
++ "gpio1",
++};
++
++static const char * const hsspi_cs4_groups[] = {
++ "gpio16",
++};
++
++static const char * const hsspi_cs5_groups[] = {
++ "gpio17",
++};
++
++static const char * const hsspi_cs6_groups[] = {
++ "gpio8",
++};
++
++static const char * const hsspi_cs7_groups[] = {
++ "gpio9",
++};
++
++static const char * const uart1_scts_groups[] = {
++ "gpio10",
++ "gpio24",
++};
++
++static const char * const uart1_srts_groups[] = {
++ "gpio11",
++ "gpio25",
++};
++
++static const char * const uart1_sdin_groups[] = {
++ "gpio12",
++ "gpio26",
++};
++
++static const char * const uart1_sdout_groups[] = {
++ "gpio13",
++ "gpio27",
++};
++
++static const char * const ntr_pulse_in_groups[] = {
++ "gpio14",
++ "gpio28",
++};
++
++static const char * const dsl_ntr_pulse_out_groups[] = {
++ "gpio15",
++ "gpio29",
++};
++
++static const char * const adsl_spi_miso_groups[] = {
++ "gpio18",
++};
++
++static const char * const adsl_spi_mosi_groups[] = {
++ "gpio19",
++};
++
++static const char * const vreg_clk_groups[] = {
++ "gpio22",
++};
++
++static const char * const pcie_clkreq_b_groups[] = {
++ "gpio23",
++};
++
++static const char * const switch_led_clk_groups[] = {
++ "gpio30",
++};
++
++static const char * const switch_led_data_groups[] = {
++ "gpio31",
++};
++
++static const char * const wifi_groups[] = {
++ "gpio32",
++ "gpio33",
++ "gpio34",
++ "gpio35",
++ "gpio36",
++ "gpio37",
++ "gpio38",
++ "gpio39",
++ "gpio40",
++ "gpio41",
++ "gpio42",
++ "gpio43",
++ "gpio44",
++ "gpio45",
++ "gpio46",
++ "gpio47",
++ "gpio48",
++ "gpio49",
++ "gpio50",
++ "gpio51",
++};
++
++static const char * const nand_groups[] = {
++ "nand_grp",
++};
++
++static const char * const dectpd_groups[] = {
++ "dectpd_grp",
++};
++
++static const char * const vdsl_phy_override_0_groups[] = {
++ "vdsl_phy_override_0_grp",
++};
++
++static const char * const vdsl_phy_override_1_groups[] = {
++ "vdsl_phy_override_1_grp",
++};
++
++static const char * const vdsl_phy_override_2_groups[] = {
++ "vdsl_phy_override_2_grp",
++};
++
++static const char * const vdsl_phy_override_3_groups[] = {
++ "vdsl_phy_override_3_grp",
++};
++
++#define BCM63268_LED_FUN(n) \
++ { \
++ .name = #n, \
++ .groups = n##_groups, \
++ .num_groups = ARRAY_SIZE(n##_groups), \
++ .reg = BCM63268_LEDCTRL, \
++ }
++
++#define BCM63268_MODE_FUN(n) \
++ { \
++ .name = #n, \
++ .groups = n##_groups, \
++ .num_groups = ARRAY_SIZE(n##_groups), \
++ .reg = BCM63268_MODE, \
++ }
++
++#define BCM63268_CTRL_FUN(n) \
++ { \
++ .name = #n, \
++ .groups = n##_groups, \
++ .num_groups = ARRAY_SIZE(n##_groups), \
++ .reg = BCM63268_CTRL, \
++ }
++
++#define BCM63268_BASEMODE_FUN(n, val) \
++ { \
++ .name = #n, \
++ .groups = n##_groups, \
++ .num_groups = ARRAY_SIZE(n##_groups), \
++ .reg = BCM63268_BASEMODE, \
++ .mask = val, \
++ }
++
++static const struct bcm63268_function bcm63268_funcs[] = {
++ BCM63268_LED_FUN(led),
++ BCM63268_MODE_FUN(serial_led_clk),
++ BCM63268_MODE_FUN(serial_led_data),
++ BCM63268_MODE_FUN(hsspi_cs6),
++ BCM63268_MODE_FUN(hsspi_cs7),
++ BCM63268_MODE_FUN(uart1_scts),
++ BCM63268_MODE_FUN(uart1_srts),
++ BCM63268_MODE_FUN(uart1_sdin),
++ BCM63268_MODE_FUN(uart1_sdout),
++ BCM63268_MODE_FUN(ntr_pulse_in),
++ BCM63268_MODE_FUN(dsl_ntr_pulse_out),
++ BCM63268_MODE_FUN(hsspi_cs4),
++ BCM63268_MODE_FUN(hsspi_cs5),
++ BCM63268_MODE_FUN(adsl_spi_miso),
++ BCM63268_MODE_FUN(adsl_spi_mosi),
++ BCM63268_MODE_FUN(vreg_clk),
++ BCM63268_MODE_FUN(pcie_clkreq_b),
++ BCM63268_MODE_FUN(switch_led_clk),
++ BCM63268_MODE_FUN(switch_led_data),
++ BCM63268_CTRL_FUN(wifi),
++ BCM63268_BASEMODE_FUN(nand, BASEMODE_NAND),
++ BCM63268_BASEMODE_FUN(dectpd, BASEMODE_DECTPD),
++ BCM63268_BASEMODE_FUN(vdsl_phy_override_0, BASEMODE_VDSL_PHY_0),
++ BCM63268_BASEMODE_FUN(vdsl_phy_override_1, BASEMODE_VDSL_PHY_1),
++ BCM63268_BASEMODE_FUN(vdsl_phy_override_2, BASEMODE_VDSL_PHY_2),
++ BCM63268_BASEMODE_FUN(vdsl_phy_override_3, BASEMODE_VDSL_PHY_3),
++};
++
++static int bcm63268_pinctrl_get_group_count(struct pinctrl_dev *pctldev)
++{
++ return ARRAY_SIZE(bcm63268_groups);
++}
++
++static const char *bcm63268_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
++ unsigned group)
++{
++ return bcm63268_groups[group].name;
++}
++
++static int bcm63268_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
++ unsigned group,
++ const unsigned **pins,
++ unsigned *num_pins)
++{
++ *pins = bcm63268_groups[group].pins;
++ *num_pins = bcm63268_groups[group].num_pins;
++
++ return 0;
++}
++
++static int bcm63268_pinctrl_get_func_count(struct pinctrl_dev *pctldev)
++{
++ return ARRAY_SIZE(bcm63268_funcs);
++}
++
++static const char *bcm63268_pinctrl_get_func_name(struct pinctrl_dev *pctldev,
++ unsigned selector)
++{
++ return bcm63268_funcs[selector].name;
++}
++
++static int bcm63268_pinctrl_get_groups(struct pinctrl_dev *pctldev,
++ unsigned selector,
++ const char * const **groups,
++ unsigned * const num_groups)
++{
++ *groups = bcm63268_funcs[selector].groups;
++ *num_groups = bcm63268_funcs[selector].num_groups;
++
++ return 0;
++}
++
++static void bcm63268_rmw_mux(struct bcm63268_pinctrl *pctl, void __iomem *reg,
++ u32 mask, u32 val)
++{
++ unsigned long flags;
++ u32 tmp;
++
++ spin_lock_irqsave(&pctl->lock, flags);
++ tmp = __raw_readl(reg);
++ tmp &= ~mask;
++ tmp |= val;
++ __raw_writel(tmp, reg);
++
++ spin_unlock_irqrestore(&pctl->lock, flags);
++}
++
++static void bcm63268_set_gpio(struct bcm63268_pinctrl *pctl, unsigned pin)
++{
++ const struct pinctrl_pin_desc *desc = &bcm63268_pins[pin];
++ u32 basemode = (unsigned long)desc->drv_data;
++ u32 mask = BIT(pin % 32);
++
++ if (basemode)
++ bcm63268_rmw_mux(pctl, pctl->basemode, basemode, 0);
++
++ if (pin < 32) {
++ /* base mode: 0 => gpio, 1 => mux function */
++ bcm63268_rmw_mux(pctl, pctl->mode, mask, 0);
++
++ /* pins 0-23 might be muxed to led */
++ if (pin < 24)
++ bcm63268_rmw_mux(pctl, pctl->led, mask, 0);
++ } else if (pin < 52) {
++ /* ctrl reg: 0 => wifi function, 1 => gpio */
++ bcm63268_rmw_mux(pctl, pctl->ctrl, mask, mask);
++ }
++}
++
++static int bcm63268_pinctrl_set_mux(struct pinctrl_dev *pctldev,
++ unsigned selector, unsigned group)
++{
++ struct bcm63268_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
++ const struct bcm63268_pingroup *grp = &bcm63268_groups[group];
++ const struct bcm63268_function *f = &bcm63268_funcs[selector];
++ unsigned i;
++ void __iomem *reg;
++ u32 val, mask;
++
++ for (i = 0; i < grp->num_pins; i++)
++ bcm63268_set_gpio(pctl, grp->pins[i]);
++
++ switch (f->reg) {
++ case BCM63268_LEDCTRL:
++ reg = pctl->led;
++ mask = BIT(grp->pins[0]);
++ val = BIT(grp->pins[0]);
++ break;
++ case BCM63268_MODE:
++ reg = pctl->mode;
++ mask = BIT(grp->pins[0]);
++ val = BIT(grp->pins[0]);
++ break;
++ case BCM63268_CTRL:
++ reg = pctl->ctrl;
++ mask = BIT(grp->pins[0]);
++ val = 0;
++ break;
++ case BCM63268_BASEMODE:
++ reg = pctl->basemode;
++ mask = f->mask;
++ val = f->mask;
++ break;
++ default:
++ WARN_ON(1);
++ return -EINVAL;
++ }
++
++ bcm63268_rmw_mux(pctl, reg, mask, val);
++
++ return 0;
++}
++
++static int bcm63268_gpio_request_enable(struct pinctrl_dev *pctldev,
++ struct pinctrl_gpio_range *range,
++ unsigned offset)
++{
++ struct bcm63268_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
++
++ /* disable all functions using this pin */
++ bcm63268_set_gpio(pctl, offset);
++
++ return 0;
++}
++
++static struct pinctrl_ops bcm63268_pctl_ops = {
++ .get_groups_count = bcm63268_pinctrl_get_group_count,
++ .get_group_name = bcm63268_pinctrl_get_group_name,
++ .get_group_pins = bcm63268_pinctrl_get_group_pins,
++#ifdef CONFIG_OF
++ .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
++ .dt_free_map = pinctrl_utils_free_map,
++#endif
++};
++
++static struct pinmux_ops bcm63268_pmx_ops = {
++ .get_functions_count = bcm63268_pinctrl_get_func_count,
++ .get_function_name = bcm63268_pinctrl_get_func_name,
++ .get_function_groups = bcm63268_pinctrl_get_groups,
++ .set_mux = bcm63268_pinctrl_set_mux,
++ .gpio_request_enable = bcm63268_gpio_request_enable,
++ .strict = true,
++};
++
++static int bcm63268_pinctrl_probe(struct platform_device *pdev)
++{
++ struct bcm63268_pinctrl *pctl;
++ struct resource *res;
++ void __iomem *led, *mode, *ctrl, *basemode;
++
++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "led");
++ led = devm_ioremap_resource(&pdev->dev, res);
++ if (IS_ERR(led))
++ return PTR_ERR(led);
++
++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mode");
++ mode = devm_ioremap_resource(&pdev->dev, res);
++ if (IS_ERR(mode))
++ return PTR_ERR(mode);
++
++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl");
++ ctrl = devm_ioremap_resource(&pdev->dev, res);
++ if (IS_ERR(ctrl))
++ return PTR_ERR(ctrl);
++
++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "basemode");
++ basemode = devm_ioremap_resource(&pdev->dev, res);
++ if (IS_ERR(basemode))
++ return PTR_ERR(basemode);
++
++ pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL);
++ if (!pctl)
++ return -ENOMEM;
++
++ spin_lock_init(&pctl->lock);
++
++ pctl->led = led;
++ pctl->mode = mode;
++ pctl->ctrl = ctrl;
++ pctl->basemode = basemode;
++
++ pctl->desc.name = dev_name(&pdev->dev);
++ pctl->desc.owner = THIS_MODULE;
++ pctl->desc.pctlops = &bcm63268_pctl_ops;
++ pctl->desc.pmxops = &bcm63268_pmx_ops;
++
++ pctl->desc.npins = ARRAY_SIZE(bcm63268_pins);
++ pctl->desc.pins = bcm63268_pins;
++
++ platform_set_drvdata(pdev, pctl);
++
++ pctl->pctldev = bcm63xx_pinctrl_register(pdev, &pctl->desc, pctl,
++ pctl->gpio, BCM63268_NGPIO);
++ if (IS_ERR(pctl->pctldev))
++ return PTR_ERR(pctl->pctldev);
++
++ return 0;
++}
++
++static const struct of_device_id bcm63268_pinctrl_match[] = {
++ { .compatible = "brcm,bcm63268-pinctrl", },
++ { },
++};
++
++static struct platform_driver bcm63268_pinctrl_driver = {
++ .probe = bcm63268_pinctrl_probe,
++ .driver = {
++ .name = "bcm63268-pinctrl",
++ .of_match_table = bcm63268_pinctrl_match,
++ },
++};
++
++builtin_platform_driver(bcm63268_pinctrl_driver);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 09:56:36 +0000