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Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch')
-rw-r--r--target/linux/brcm63xx/patches-4.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch736
1 files changed, 0 insertions, 736 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch b/target/linux/brcm63xx/patches-4.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch
deleted file mode 100644
index 089d14e..0000000
--- a/target/linux/brcm63xx/patches-4.4/142-pinctrl-add-a-pincontrol-driver-for-BCM63268.patch
+++ /dev/null
@@ -1,736 +0,0 @@
-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 v1.1 at 2024-11-16 21:08:06 +0000