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- // SPDX-License-Identifier: GPL-2.0-or-later
- /*
- * Copyright (C) 2021 Alibaba Group Holding Limited.
- *
- */
- #include <linux/err.h>
- #include <linux/init.h>
- #include <linux/io.h>
- #include <linux/module.h>
- #include <linux/of.h>
- #include <linux/of_device.h>
- #include <linux/pinctrl/machine.h>
- #include <linux/pinctrl/pinconf.h>
- #include <linux/pinctrl/pinctrl.h>
- #include <linux/pinctrl/pinmux.h>
- #include <linux/slab.h>
- #include <dt-bindings/pinctrl/light-mpw-pinctrl.h>
- #include <dt-bindings/pinctrl/light-fm-right-pinctrl.h>
- #include <dt-bindings/pinctrl/light-fm-left-pinctrl.h>
- #include <dt-bindings/pinctrl/light-fm-aon-pinctrl.h>
- #include "../core.h"
- struct light_pin {
- unsigned int pin_id;
- unsigned int mux_mode;
- unsigned long config;
- };
- struct light_pin_group {
- const char *name;
- unsigned int npins;
- unsigned int *pin_ids;
- struct light_pin *pins;
- };
- struct light_pmx_func {
- const char *name;
- const char **groups;
- unsigned int num_groups;
- };
- struct light_pinctrl_soc_info {
- struct device *dev;
- struct pinctrl_desc *desc;
- const struct pinctrl_pin_desc *pins;
- unsigned int npins;
- struct light_pin_group *groups;
- unsigned int ngroups;
- unsigned int grp_index;
- struct light_pmx_func *functions;
- unsigned int nfunctions;
- unsigned int cfg_off;
- unsigned int mux_off;
- int (*covert_pin_off)(const unsigned int pin_id);
- };
- struct light_pinctrl {
- struct device *dev;
- struct pinctrl_dev *pctl;
- void __iomem *base;
- const struct light_pinctrl_soc_info *info;
- };
- #define LIGHT_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin)
- #define LIGHT_PAD_CONFIG(idx) (priv->info->cfg_off + (idx >> 1) * 4)
- #define LIGHT_PAD_MUX(idx) (priv->info->mux_off + ((idx >> 3) * 4))
- static const char *pin_get_name_from_info(struct light_pinctrl_soc_info *info,
- const unsigned int pin_id)
- {
- int i;
- for (i = 0; i < info->npins; i++) {
- if (info->pins[i].number == pin_id)
- return info->pins[i].name;
- }
- return NULL;
- }
- static inline const struct light_pin_group *light_pinctrl_find_group_by_name(
- const struct light_pinctrl_soc_info *info,
- const char *name)
- {
- const struct light_pin_group *grp = NULL;
- unsigned int i;
- for (i = 0; i < info->ngroups; i++) {
- if (!strcmp(info->groups[i].name, name)) {
- grp = &info->groups[i];
- break;
- }
- }
- return grp;
- }
- static int light_get_groups_count(struct pinctrl_dev *pctldev)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- return info->ngroups;
- }
- static const char *light_get_group_name(struct pinctrl_dev *pctldev,
- unsigned int selector)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- return info->groups[selector].name;
- }
- static int light_get_group_pins(struct pinctrl_dev *pctldev,
- unsigned int selector, const unsigned int **pins,
- unsigned int *npins)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- if (selector >= info->ngroups)
- return -EINVAL;
- *pins = info->groups[selector].pin_ids;
- *npins = info->groups[selector].npins;
- return 0;
- }
- static void light_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
- unsigned int offset)
- {
- seq_printf(s, "%s", dev_name(pctldev->dev));
- }
- static int light_dt_node_to_map(struct pinctrl_dev *pctldev,
- struct device_node *np,
- struct pinctrl_map **map, unsigned int *num_maps)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- const struct light_pin_group *grp;
- struct pinctrl_map *new_map;
- struct device_node *parent;
- int map_num = 1;
- int i, j;
- /*
- * first find the group of this node and check if we need create
- * config maps for pins
- */
- grp = light_pinctrl_find_group_by_name(info, np->name);
- if (!grp) {
- dev_err(info->dev, "unable to find group for node %s\n",
- np->name);
- return -EINVAL;
- }
- for (i = 0; i < grp->npins; i++)
- map_num++;
- new_map = kmalloc_array(map_num, sizeof(struct pinctrl_map),
- GFP_KERNEL);
- if (!new_map)
- return -ENOMEM;
- *map = new_map;
- *num_maps = map_num;
- /* create mux map */
- parent = of_get_parent(np);
- if (!parent) {
- kfree(new_map);
- return -EINVAL;
- }
- new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
- new_map[0].data.mux.function = parent->name;
- new_map[0].data.mux.group = np->name;
- of_node_put(parent);
- /* create config map */
- new_map++;
- for (i = j = 0; i < grp->npins; i++) {
- new_map[j].type = PIN_MAP_TYPE_CONFIGS_PIN;
- new_map[j].data.configs.group_or_pin =
- pin_get_name(pctldev, grp->pins[i].pin_id);
- new_map[j].data.configs.configs = &grp->pins[i].config;
- new_map[j].data.configs.num_configs = 1;
- j++;
- }
- dev_dbg(pctldev->dev, "maps: function %s group %s num %d\n",
- (*map)->data.mux.function, (*map)->data.mux.group, map_num);
- return 0;
- }
- static void light_dt_free_map(struct pinctrl_dev *pctldev,
- struct pinctrl_map *map, unsigned int num_maps)
- {
- kfree(map);
- }
- static const struct pinctrl_ops light_pctrl_ops = {
- .get_groups_count = light_get_groups_count,
- .get_group_name = light_get_group_name,
- .get_group_pins = light_get_group_pins,
- .pin_dbg_show = light_pin_dbg_show,
- .dt_node_to_map = light_dt_node_to_map,
- .dt_free_map = light_dt_free_map,
- };
- static int light_pmx_set(struct pinctrl_dev *pctldev, unsigned int selector,
- unsigned int group)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- unsigned int npins, pin_id;
- int i;
- struct light_pin_group *grp;
- /*
- * Configure the mux mode for each pin in the group for a specific
- * function.
- */
- grp = &info->groups[group];
- npins = grp->npins;
- dev_dbg(priv->dev, "enable function %s group %s\n",
- info->functions[selector].name, grp->name);
- for (i = 0; i < npins; i++) {
- struct light_pin *pin = &grp->pins[i];
- unsigned int mux, shift;
- dev_dbg(priv->dev, "pinmux set pin %s\n",
- pin_get_name(pctldev, pin->pin_id));
- pin_id = pin->pin_id;
- if (info->covert_pin_off) {
- pin_id = info->covert_pin_off(pin_id);
- if (pin_id < 0) /* no need to configure mux */
- continue;
- }
- mux = readl(priv->base + LIGHT_PAD_MUX(pin_id));
- shift = ((pin_id % 8) << 2);
- mux &= ~(0xF << shift); /* 4 mux bits for one pad */
- mux |= (pin->mux_mode << shift);
- writel(mux, priv->base + LIGHT_PAD_MUX(pin_id));
- dev_dbg(priv->dev, "write: offset 0x%x val 0x%x\n",
- LIGHT_PAD_MUX(pin_id), mux);
- }
- return 0;
- }
- static int light_pmx_get_funcs_count(struct pinctrl_dev *pctldev)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- return info->nfunctions;
- }
- static const char *light_pmx_get_func_name(struct pinctrl_dev *pctldev,
- unsigned int selector)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- return info->functions[selector].name;
- }
- static int light_pmx_get_groups(struct pinctrl_dev *pctldev,
- unsigned int selector,
- const char * const **groups,
- unsigned int * const num_groups)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- *groups = info->functions[selector].groups;
- *num_groups = info->functions[selector].num_groups;
- return 0;
- }
- static const struct pinmux_ops light_pmx_ops = {
- .get_functions_count = light_pmx_get_funcs_count,
- .get_function_name = light_pmx_get_func_name,
- .get_function_groups = light_pmx_get_groups,
- .set_mux = light_pmx_set,
- };
- static int light_pinconf_get(struct pinctrl_dev *pctldev,
- unsigned int pin_id, unsigned long *config)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- *config = readl(priv->base + LIGHT_PAD_CONFIG(pin_id));
- return 0;
- }
- static int light_pinconf_set(struct pinctrl_dev *pctldev,
- unsigned int pin_id, unsigned long *configs,
- unsigned int num_configs)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- int i;
- dev_dbg(priv->dev, "pinconf set pin %s\n",
- pin_get_name(pctldev, pin_id));
- for (i = 0; i < num_configs; i++) {
- unsigned long config;
- unsigned int shift;
- config = readl(priv->base + LIGHT_PAD_CONFIG(pin_id));
- shift = ((pin_id % 2) << 4);
- config &= ~(0xFFFF << shift); /* 16 cfg bits for one pad */
- config |= (configs[i] << shift);
- writel(config, priv->base + LIGHT_PAD_CONFIG(pin_id));
- dev_dbg(priv->dev, "write: offset 0x%x val 0x%lx\n",
- LIGHT_PAD_CONFIG(pin_id), config);
- } /* for each config */
- return 0;
- }
- static void light_pinconf_dbg_show(struct pinctrl_dev *pctldev,
- struct seq_file *s, unsigned int pin_id)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- unsigned long config;
- config = readl(priv->base + LIGHT_PAD_CONFIG(pin_id));
- seq_printf(s, "0x%lx", config);
- }
- static void light_pinconf_group_dbg_show(struct pinctrl_dev *pctldev,
- struct seq_file *s, unsigned int group)
- {
- struct light_pinctrl *priv = pinctrl_dev_get_drvdata(pctldev);
- const struct light_pinctrl_soc_info *info = priv->info;
- struct light_pin_group *grp;
- unsigned long config;
- const char *name;
- int i, ret;
- if (group > info->ngroups)
- return;
- seq_puts(s, "\n");
- grp = &info->groups[group];
- for (i = 0; i < grp->npins; i++) {
- struct light_pin *pin = &grp->pins[i];
- name = pin_get_name(pctldev, pin->pin_id);
- ret = light_pinconf_get(pctldev, pin->pin_id, &config);
- if (ret)
- return;
- seq_printf(s, "%s: 0x%lx", name, config);
- }
- }
- static const struct pinconf_ops light_pinconf_ops = {
- .pin_config_get = light_pinconf_get,
- .pin_config_set = light_pinconf_set,
- .pin_config_dbg_show = light_pinconf_dbg_show,
- .pin_config_group_dbg_show = light_pinconf_group_dbg_show,
- };
- /*
- * Each pin represented in thead,pins consists:
- * - u32 PIN_FUNC_ID
- * - u32 pin mux_mode
- * - u32 pin config
- * so 12 bytes in total for each pin.
- */
- #define LIGHT_PIN_SIZE 12
- static int light_pinctrl_parse_groups(struct device_node *np,
- struct light_pin_group *grp,
- struct light_pinctrl_soc_info *info,
- u32 index)
- {
- int size, i;
- const __be32 *list;
- dev_dbg(info->dev, "group(%d): %s\n", index, np->name);
- /* Initialise group */
- grp->name = np->name;
- /*
- * the binding format is thead,pins = <PIN MUX CONFIG>,
- * do sanity check and calculate pins number
- */
- list = of_get_property(np, "thead,pins", &size);
- if (!list) {
- dev_err(info->dev, "no thead,pins property in node %s\n",
- np->full_name);
- return -EINVAL;
- }
- /* we do not check return since it's safe node passed down */
- if (!size || size % LIGHT_PIN_SIZE) {
- dev_err(info->dev, "Invalid thead,pins property in node %s\n",
- np->full_name);
- return -EINVAL;
- }
- grp->npins = size / LIGHT_PIN_SIZE;
- grp->pins = devm_kzalloc(info->dev,
- grp->npins * sizeof(struct light_pin),
- GFP_KERNEL);
- grp->pin_ids = devm_kzalloc(info->dev,
- grp->npins * sizeof(unsigned int),
- GFP_KERNEL);
- if (!grp->pins || !grp->pin_ids)
- return -ENOMEM;
- for (i = 0; i < grp->npins; i++) {
- struct light_pin *pin = &grp->pins[i];
- pin->pin_id = be32_to_cpu(*list++);
- pin->mux_mode = be32_to_cpu(*list++) & 0xF;
- pin->config = be32_to_cpu(*list++) & 0xFFFF;
- grp->pin_ids[i] = grp->pins[i].pin_id;
- dev_dbg(info->dev, "%s: 0x%04x 0x%04lx",
- pin_get_name_from_info(info, pin->pin_id), pin->mux_mode, pin->config);
- }
- return 0;
- }
- static int light_pinctrl_parse_functions(struct device_node *np,
- struct light_pinctrl_soc_info *info,
- u32 index)
- {
- struct device_node *child;
- struct light_pmx_func *func;
- struct light_pin_group *grp;
- u32 i = 0;
- dev_dbg(info->dev, "parse function(%d): %s\n", index, np->name);
- func = &info->functions[index];
- /* Initialise function */
- func->name = np->name;
- func->num_groups = of_get_child_count(np);
- if (func->num_groups == 0) {
- dev_err(info->dev, "no groups defined in %s\n", np->full_name);
- return -EINVAL;
- }
- func->groups = devm_kzalloc(info->dev,
- func->num_groups * sizeof(char *),
- GFP_KERNEL);
- if (!func->groups)
- return -ENOMEM;
- for_each_child_of_node(np, child) {
- func->groups[i] = child->name;
- grp = &info->groups[info->grp_index++];
- light_pinctrl_parse_groups(child, grp, info, i++);
- }
- return 0;
- }
- static int light_pinctrl_probe_dt(struct platform_device *pdev,
- struct light_pinctrl_soc_info *info)
- {
- struct device_node *np = pdev->dev.of_node;
- struct device_node *child;
- u32 nfuncs = 0;
- u32 i = 0;
- if (!np)
- return -ENODEV;
- nfuncs = of_get_child_count(np);
- if (nfuncs <= 0) {
- dev_err(&pdev->dev, "no functions defined\n");
- return -EINVAL;
- }
- info->nfunctions = nfuncs;
- info->functions = devm_kzalloc(&pdev->dev,
- nfuncs * sizeof(struct light_pmx_func),
- GFP_KERNEL);
- if (!info->functions)
- return -ENOMEM;
- info->ngroups = 0;
- for_each_child_of_node(np, child)
- info->ngroups += of_get_child_count(child);
- info->groups = devm_kzalloc(&pdev->dev, info->ngroups *
- sizeof(struct light_pin_group),
- GFP_KERNEL);
- if (!info->groups)
- return -ENOMEM;
- for_each_child_of_node(np, child)
- light_pinctrl_parse_functions(child, info, i++);
- return 0;
- }
- static int light_pinctrl_probe(struct platform_device *pdev)
- {
- struct light_pinctrl *priv;
- struct light_pinctrl_soc_info *info;
- struct resource *res;
- int ret;
- info = (struct light_pinctrl_soc_info *)of_device_get_match_data(&pdev->dev);
- if (!info || !info->pins || !info->npins) {
- dev_err(&pdev->dev, "wrong pinctrl info\n");
- return -EINVAL;
- }
- info->dev = &pdev->dev;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(priv->base))
- return PTR_ERR(priv->base);
- info->desc = devm_kzalloc(&pdev->dev, sizeof(*info->desc), GFP_KERNEL);
- if (!info->desc)
- return -ENOMEM;
- info->desc->name = dev_name(&pdev->dev);
- info->desc->pins = info->pins;
- info->desc->npins = info->npins;
- info->desc->pctlops = &light_pctrl_ops;
- info->desc->pmxops = &light_pmx_ops;
- info->desc->confops = &light_pinconf_ops;
- info->desc->owner = THIS_MODULE;
- ret = light_pinctrl_probe_dt(pdev, info);
- if (ret) {
- dev_err(&pdev->dev, "fail to probe dt properties\n");
- return ret;
- }
- priv->info = info;
- priv->dev = info->dev;
- platform_set_drvdata(pdev, priv);
- priv->pctl = pinctrl_register(info->desc, &pdev->dev, priv);
- if (!priv->pctl) {
- dev_err(&pdev->dev, "could not register light pinctrl driver\n");
- return -EINVAL;
- }
- dev_info(&pdev->dev, "initialized light pinctrl driver\n");
- return 0;
- }
- /* Pad names for the pinmux subsystem */
- static const struct pinctrl_pin_desc light_mpw_pinctrl_pads[] = {
- LIGHT_PINCTRL_PIN(BOOT_SEL0),
- LIGHT_PINCTRL_PIN(BOOT_SEL1),
- LIGHT_PINCTRL_PIN(BOOT_SEL2),
- LIGHT_PINCTRL_PIN(OSC_BOOT),
- LIGHT_PINCTRL_PIN(QSPI0_SCK),
- LIGHT_PINCTRL_PIN(QSPI0_SSN0),
- LIGHT_PINCTRL_PIN(QSPI0_M0_MOSI),
- LIGHT_PINCTRL_PIN(QSPI0_M1_MISO),
- LIGHT_PINCTRL_PIN(QSPI0_M2_WP),
- LIGHT_PINCTRL_PIN(QSPI0_M3_HOLD),
- LIGHT_PINCTRL_PIN(QSPI1_SCK),
- LIGHT_PINCTRL_PIN(QSPI1_SSN0),
- LIGHT_PINCTRL_PIN(QSPI1_M0_MOSI),
- LIGHT_PINCTRL_PIN(QSPI1_M1_MISO),
- LIGHT_PINCTRL_PIN(QSPI1_M2_WP),
- LIGHT_PINCTRL_PIN(QSPI1_M3_HOLD),
- LIGHT_PINCTRL_PIN(SPI_SCK),
- LIGHT_PINCTRL_PIN(SPI_SSN0),
- LIGHT_PINCTRL_PIN(SPI_SSN1),
- LIGHT_PINCTRL_PIN(SPI_MOSI),
- LIGHT_PINCTRL_PIN(SPI_MISO),
- LIGHT_PINCTRL_PIN(I2C0_SCL),
- LIGHT_PINCTRL_PIN(I2C0_SDA),
- LIGHT_PINCTRL_PIN(I2C1_SCL),
- LIGHT_PINCTRL_PIN(I2C1_SDA),
- LIGHT_PINCTRL_PIN(I2C2_SCL),
- LIGHT_PINCTRL_PIN(I2C2_SDA),
- LIGHT_PINCTRL_PIN(I2C3_SCL),
- LIGHT_PINCTRL_PIN(I2C3_SDA),
- LIGHT_PINCTRL_PIN(UART0_RXD),
- LIGHT_PINCTRL_PIN(UART0_TXD),
- LIGHT_PINCTRL_PIN(UART1_RXD),
- LIGHT_PINCTRL_PIN(UART1_TXD),
- LIGHT_PINCTRL_PIN(UART3_RXD),
- LIGHT_PINCTRL_PIN(UART3_TXD),
- LIGHT_PINCTRL_PIN(UART4_RXD),
- LIGHT_PINCTRL_PIN(UART4_TXD),
- LIGHT_PINCTRL_PIN(UART4_CTSN),
- LIGHT_PINCTRL_PIN(UART4_RTSN),
- LIGHT_PINCTRL_PIN(GPIO1_DATA7),
- LIGHT_PINCTRL_PIN(GPIO1_DATA8),
- LIGHT_PINCTRL_PIN(GPIO1_DATA9),
- LIGHT_PINCTRL_PIN(GPIO1_DATA10),
- LIGHT_PINCTRL_PIN(GPIO1_DATA11),
- LIGHT_PINCTRL_PIN(GPIO1_DATA12),
- LIGHT_PINCTRL_PIN(GPIO1_DATA13),
- LIGHT_PINCTRL_PIN(GPIO1_DATA14),
- LIGHT_PINCTRL_PIN(GPIO1_DATA15),
- LIGHT_PINCTRL_PIN(GPIO1_DATA16),
- LIGHT_PINCTRL_PIN(GPIO1_DATA17),
- LIGHT_PINCTRL_PIN(GPIO1_DATA18),
- LIGHT_PINCTRL_PIN(GPIO1_DATA19),
- LIGHT_PINCTRL_PIN(GPIO1_DATA20),
- LIGHT_PINCTRL_PIN(GPIO1_DATA21),
- LIGHT_PINCTRL_PIN(GPIO1_DATA22),
- LIGHT_PINCTRL_PIN(GPIO1_DATA23),
- LIGHT_PINCTRL_PIN(GPIO1_DATA24),
- LIGHT_PINCTRL_PIN(GPIO1_DATA25),
- LIGHT_PINCTRL_PIN(GPIO1_DATA26),
- LIGHT_PINCTRL_PIN(EMMC0_DETN),
- LIGHT_PINCTRL_PIN(EMMC0_PWRON),
- LIGHT_PINCTRL_PIN(EMMC0_WPRTN),
- LIGHT_PINCTRL_PIN(EMMC0_VOL_STB),
- LIGHT_PINCTRL_PIN(EMMC1_DETN),
- LIGHT_PINCTRL_PIN(EMMC1_PWRON),
- LIGHT_PINCTRL_PIN(EMMC1_WPRTN),
- LIGHT_PINCTRL_PIN(EMMC1_VOL_STB),
- LIGHT_PINCTRL_PIN(C910_JTG_TCLK),
- LIGHT_PINCTRL_PIN(C910_JTG_TRST),
- LIGHT_PINCTRL_PIN(C910_JTG_TDI),
- LIGHT_PINCTRL_PIN(C910_JTG_TMS),
- LIGHT_PINCTRL_PIN(C910_JTG_TDO),
- LIGHT_PINCTRL_PIN(GPIO2_DATA8),
- LIGHT_PINCTRL_PIN(GPIO2_DATA9),
- LIGHT_PINCTRL_PIN(GPIO2_DATA10),
- LIGHT_PINCTRL_PIN(GPIO2_DATA11),
- LIGHT_PINCTRL_PIN(GPIO2_DATA12),
- LIGHT_PINCTRL_PIN(GPIO2_DATA13),
- LIGHT_PINCTRL_PIN(GPIO2_DATA14),
- LIGHT_PINCTRL_PIN(RGM_PAD_MS_RTE),
- LIGHT_PINCTRL_PIN(GMAC_EPHY_CLK),
- LIGHT_PINCTRL_PIN(GMAC_TX_CLK),
- LIGHT_PINCTRL_PIN(GMAC_RX_CLK),
- LIGHT_PINCTRL_PIN(GMAC_TXEN),
- LIGHT_PINCTRL_PIN(GMAC_TXD0),
- LIGHT_PINCTRL_PIN(GMAC_TXD1),
- LIGHT_PINCTRL_PIN(GMAC_TXD2),
- LIGHT_PINCTRL_PIN(GMAC_TXD3),
- LIGHT_PINCTRL_PIN(GMAC_RXDV),
- LIGHT_PINCTRL_PIN(GMAC_RXD0),
- LIGHT_PINCTRL_PIN(GMAC_RXD1),
- LIGHT_PINCTRL_PIN(GMAC_RXD2),
- LIGHT_PINCTRL_PIN(GMAC_RXD3),
- LIGHT_PINCTRL_PIN(GMAC_MDC),
- LIGHT_PINCTRL_PIN(GMAC_MDIO),
- LIGHT_PINCTRL_PIN(GMAC_COL),
- LIGHT_PINCTRL_PIN(GMAC_CRS),
- };
- static const struct pinctrl_pin_desc light_fm_right_pinctrl_pads[] = {
- LIGHT_PINCTRL_PIN(FM_UART0_TXD),
- LIGHT_PINCTRL_PIN(FM_UART0_RXD),
- LIGHT_PINCTRL_PIN(FM_QSPI0_SCLK),
- LIGHT_PINCTRL_PIN(FM_QSPI0_CSN0),
- LIGHT_PINCTRL_PIN(FM_QSPI0_CSN1),
- LIGHT_PINCTRL_PIN(FM_QSPI0_D0_MOSI),
- LIGHT_PINCTRL_PIN(FM_QSPI0_D1_MISO),
- LIGHT_PINCTRL_PIN(FM_QSPI0_D2_WP),
- LIGHT_PINCTRL_PIN(FM_QSPI0_D3_HOLD),
- LIGHT_PINCTRL_PIN(FM_I2C2_SCL),
- LIGHT_PINCTRL_PIN(FM_I2C2_SDA),
- LIGHT_PINCTRL_PIN(FM_I2C3_SCL),
- LIGHT_PINCTRL_PIN(FM_I2C3_SDA),
- LIGHT_PINCTRL_PIN(FM_GPIO2_13),
- LIGHT_PINCTRL_PIN(FM_SPI_SCLK),
- LIGHT_PINCTRL_PIN(FM_SPI_CSN),
- LIGHT_PINCTRL_PIN(FM_SPI_MOSI),
- LIGHT_PINCTRL_PIN(FM_SPI_MISO),
- LIGHT_PINCTRL_PIN(FM_GPIO2_18),
- LIGHT_PINCTRL_PIN(FM_GPIO2_19),
- LIGHT_PINCTRL_PIN(FM_GPIO2_20),
- LIGHT_PINCTRL_PIN(FM_GPIO2_21),
- LIGHT_PINCTRL_PIN(FM_GPIO2_22),
- LIGHT_PINCTRL_PIN(FM_GPIO2_23),
- LIGHT_PINCTRL_PIN(FM_GPIO2_24),
- LIGHT_PINCTRL_PIN(FM_GPIO2_25),
- LIGHT_PINCTRL_PIN(FM_SDIO0_WPRTN),
- LIGHT_PINCTRL_PIN(FM_SDIO0_DETN),
- LIGHT_PINCTRL_PIN(FM_SDIO1_WPRTN),
- LIGHT_PINCTRL_PIN(FM_SDIO1_DETN),
- LIGHT_PINCTRL_PIN(FM_GPIO2_30),
- LIGHT_PINCTRL_PIN(FM_GPIO2_31),
- LIGHT_PINCTRL_PIN(FM_GPIO3_0),
- LIGHT_PINCTRL_PIN(FM_GPIO3_1),
- LIGHT_PINCTRL_PIN(FM_GPIO3_2),
- LIGHT_PINCTRL_PIN(FM_GPIO3_3),
- LIGHT_PINCTRL_PIN(FM_HDMI_SCL),
- LIGHT_PINCTRL_PIN(FM_HDMI_SDA),
- LIGHT_PINCTRL_PIN(FM_HDMI_CEC),
- LIGHT_PINCTRL_PIN(FM_GMAC0_TX_CLK),
- LIGHT_PINCTRL_PIN(FM_GMAC0_RX_CLK),
- LIGHT_PINCTRL_PIN(FM_GMAC0_TXEN),
- LIGHT_PINCTRL_PIN(FM_GMAC0_TXD0),
- LIGHT_PINCTRL_PIN(FM_GMAC0_TXD1),
- LIGHT_PINCTRL_PIN(FM_GMAC0_TXD2),
- LIGHT_PINCTRL_PIN(FM_GMAC0_TXD3),
- LIGHT_PINCTRL_PIN(FM_GMAC0_RXDV),
- LIGHT_PINCTRL_PIN(FM_GMAC0_RXD0),
- LIGHT_PINCTRL_PIN(FM_GMAC0_RXD1),
- LIGHT_PINCTRL_PIN(FM_GMAC0_RXD2),
- LIGHT_PINCTRL_PIN(FM_GMAC0_RXD3),
- LIGHT_PINCTRL_PIN(FM_GMAC0_MDC),
- LIGHT_PINCTRL_PIN(FM_GMAC0_MDIO),
- LIGHT_PINCTRL_PIN(FM_GMAC0_COL),
- LIGHT_PINCTRL_PIN(FM_GMAC0_CRS),
- };
- static const struct pinctrl_pin_desc light_fm_left_pinctrl_pads[] = {
- LIGHT_PINCTRL_PIN(FM_QSPI1_SCLK),
- LIGHT_PINCTRL_PIN(FM_QSPI1_CSN0),
- LIGHT_PINCTRL_PIN(FM_QSPI1_D0_MOSI),
- LIGHT_PINCTRL_PIN(FM_QSPI1_D1_MISO),
- LIGHT_PINCTRL_PIN(FM_QSPI1_D2_WP ),
- LIGHT_PINCTRL_PIN(FM_QSPI1_D3_HOLD),
- LIGHT_PINCTRL_PIN(FM_I2C0_SCL),
- LIGHT_PINCTRL_PIN(FM_I2C0_SDA),
- LIGHT_PINCTRL_PIN(FM_I2C1_SCL),
- LIGHT_PINCTRL_PIN(FM_I2C1_SDA),
- LIGHT_PINCTRL_PIN(FM_UART1_TXD),
- LIGHT_PINCTRL_PIN(FM_UART1_RXD),
- LIGHT_PINCTRL_PIN(FM_UART4_TXD),
- LIGHT_PINCTRL_PIN(FM_UART4_RXD),
- LIGHT_PINCTRL_PIN(FM_UART4_CTSN),
- LIGHT_PINCTRL_PIN(FM_UART4_RTSN),
- LIGHT_PINCTRL_PIN(FM_UART3_TXD),
- LIGHT_PINCTRL_PIN(FM_UART3_RXD),
- LIGHT_PINCTRL_PIN(FM_GPIO0_18),
- LIGHT_PINCTRL_PIN(FM_GPIO0_19),
- LIGHT_PINCTRL_PIN(FM_GPIO0_20),
- LIGHT_PINCTRL_PIN(FM_GPIO0_21),
- LIGHT_PINCTRL_PIN(FM_GPIO0_22),
- LIGHT_PINCTRL_PIN(FM_GPIO0_23),
- LIGHT_PINCTRL_PIN(FM_GPIO0_24),
- LIGHT_PINCTRL_PIN(FM_GPIO0_25),
- LIGHT_PINCTRL_PIN(FM_GPIO0_26),
- LIGHT_PINCTRL_PIN(FM_GPIO0_27),
- LIGHT_PINCTRL_PIN(FM_GPIO0_28),
- LIGHT_PINCTRL_PIN(FM_GPIO0_29),
- LIGHT_PINCTRL_PIN(FM_GPIO0_30),
- LIGHT_PINCTRL_PIN(FM_GPIO0_31),
- LIGHT_PINCTRL_PIN(FM_GPIO1_0),
- LIGHT_PINCTRL_PIN(FM_GPIO1_1),
- LIGHT_PINCTRL_PIN(FM_GPIO1_2),
- LIGHT_PINCTRL_PIN(FM_GPIO1_3),
- LIGHT_PINCTRL_PIN(FM_GPIO1_4),
- LIGHT_PINCTRL_PIN(FM_GPIO1_5),
- LIGHT_PINCTRL_PIN(FM_GPIO1_6),
- LIGHT_PINCTRL_PIN(FM_GPIO1_7),
- LIGHT_PINCTRL_PIN(FM_GPIO1_8),
- LIGHT_PINCTRL_PIN(FM_GPIO1_9),
- LIGHT_PINCTRL_PIN(FM_GPIO1_10),
- LIGHT_PINCTRL_PIN(FM_GPIO1_11),
- LIGHT_PINCTRL_PIN(FM_GPIO1_12),
- LIGHT_PINCTRL_PIN(FM_GPIO1_13),
- LIGHT_PINCTRL_PIN(FM_GPIO1_14),
- LIGHT_PINCTRL_PIN(FM_GPIO1_15),
- LIGHT_PINCTRL_PIN(FM_GPIO1_16),
- LIGHT_PINCTRL_PIN(FM_CLK_OUT_0),
- LIGHT_PINCTRL_PIN(FM_CLK_OUT_1),
- LIGHT_PINCTRL_PIN(FM_CLK_OUT_2),
- LIGHT_PINCTRL_PIN(FM_CLK_OUT_3),
- LIGHT_PINCTRL_PIN(FM_GPIO1_21),
- LIGHT_PINCTRL_PIN(FM_GPIO1_22),
- LIGHT_PINCTRL_PIN(FM_GPIO1_23),
- LIGHT_PINCTRL_PIN(FM_GPIO1_24),
- LIGHT_PINCTRL_PIN(FM_GPIO1_25),
- LIGHT_PINCTRL_PIN(FM_GPIO1_26),
- LIGHT_PINCTRL_PIN(FM_GPIO1_27),
- LIGHT_PINCTRL_PIN(FM_GPIO1_28),
- LIGHT_PINCTRL_PIN(FM_GPIO1_29),
- LIGHT_PINCTRL_PIN(FM_GPIO1_30),
- };
- static const struct pinctrl_pin_desc light_fm_aon_pinctrl_pads[] = {
- LIGHT_PINCTRL_PIN(FM_OSC_CLK_IN),
- LIGHT_PINCTRL_PIN(FM_RTC_CLK_IN),
- LIGHT_PINCTRL_PIN(FM_DEBUG_MODE),
- LIGHT_PINCTRL_PIN(FM_I2C_AON_SCL),
- LIGHT_PINCTRL_PIN(FM_I2C_AON_SDA),
- LIGHT_PINCTRL_PIN(FM_CPU_JTG_TCLK),
- LIGHT_PINCTRL_PIN(FM_CPU_JTG_TMS),
- LIGHT_PINCTRL_PIN(FM_CPU_JTG_TDI),
- LIGHT_PINCTRL_PIN(FM_CPU_JTG_TDO),
- LIGHT_PINCTRL_PIN(FM_CPU_JTG_TRST),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_7),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_8),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_9),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_10),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_11),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_12),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_13),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_14),
- LIGHT_PINCTRL_PIN(FM_AOGPIO_15),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA0),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA1),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA2),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA3),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA4),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA5),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA6),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA7),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA8),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA9),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA10),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA11),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA12),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA13),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA14),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA15),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA16),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA17),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA27),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA28),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA29),
- LIGHT_PINCTRL_PIN(FM_AUDIO_PA30),
- };
- static int light_pinctrl_mpw_convert_pin_off(const unsigned int pin_id)
- {
- unsigned int cov_pin_id = pin_id;
- if (cov_pin_id >= RGM_PAD_MS_RTE)
- cov_pin_id -= 9;
- return cov_pin_id;
- }
- static int light_pinctrl_fm_aon_covert_pin_off(const unsigned int pin_id)
- {
- int cov_pin_id = pin_id;
- /* no need to configure mux according to spec */
- if ((pin_id >= 0 && pin_id <=6) || pin_id == 8)
- cov_pin_id = -1;
- return cov_pin_id;
- }
- static struct light_pinctrl_soc_info light_mpw_pinctrl_info = {
- .pins = light_mpw_pinctrl_pads,
- .npins = ARRAY_SIZE(light_mpw_pinctrl_pads),
- .cfg_off = 0x4c,
- .mux_off = 0x404,
- .covert_pin_off = light_pinctrl_mpw_convert_pin_off,
- };
- static struct light_pinctrl_soc_info light_fm_right_pinctrl_info = {
- .pins = light_fm_right_pinctrl_pads,
- .npins = ARRAY_SIZE(light_fm_right_pinctrl_pads),
- .cfg_off = 0x0,
- .mux_off = 0x400,
- };
- static struct light_pinctrl_soc_info light_fm_left_pinctrl_info = {
- .pins = light_fm_left_pinctrl_pads,
- .npins = ARRAY_SIZE(light_fm_left_pinctrl_pads),
- .cfg_off = 0x0,
- .mux_off = 0x400,
- };
- static struct light_pinctrl_soc_info light_fm_aon_pinctrl_info = {
- .pins = light_fm_aon_pinctrl_pads,
- .npins = ARRAY_SIZE(light_fm_aon_pinctrl_pads),
- .cfg_off = 0x0,
- .mux_off = 0x400,
- .covert_pin_off = light_pinctrl_fm_aon_covert_pin_off,
- };
- static const struct of_device_id light_pinctrl_of_match[] = {
- { .compatible = "thead,light-mpw-pinctrl", .data = &light_mpw_pinctrl_info},
- { .compatible = "thead,light-fm-right-pinctrl", .data = &light_fm_right_pinctrl_info},
- { .compatible = "thead,light-fm-left-pinctrl", .data = &light_fm_left_pinctrl_info},
- { .compatible = "thead,light-fm-aon-pinctrl", .data = &light_fm_aon_pinctrl_info},
- { /* sentinel */ }
- };
- MODULE_DEVICE_TABLE(of, light_pinctrl_of_match);
- static struct platform_driver light_pinctrl_driver = {
- .driver = {
- .name = "light-pinctrl",
- .owner = THIS_MODULE,
- .of_match_table = light_pinctrl_of_match,
- .suppress_bind_attrs = true,
- },
- .probe = light_pinctrl_probe,
- };
- module_platform_driver(light_pinctrl_driver);
- MODULE_AUTHOR("fugang.duan <duanfugang.dfg@linux.alibaba.com>");
- MODULE_DESCRIPTION("Thead light pinctrl driver");
- MODULE_LICENSE("GPL v2");
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