+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * TLMM driver for Qualcomm IPQ40xx
- *
- * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com>
- *
- * Copyright (c) 2020 Sartura Ltd.
- *
- * Author: Robert Marko <robert.marko@sartura.hr>
- *
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <asm/io.h>
-#include <dm/device_compat.h>
-#include <dm/lists.h>
-#include <dm/pinctrl.h>
-#include <linux/bitops.h>
-#include "pinctrl-snapdragon.h"
-
-struct msm_pinctrl_priv {
- phys_addr_t base;
- struct msm_pinctrl_data *data;
-};
-
-#define GPIO_CONFIG_OFFSET(x) ((x) * 0x1000)
-#define TLMM_GPIO_PULL_MASK GENMASK(1, 0)
-#define TLMM_FUNC_SEL_MASK GENMASK(5, 2)
-#define TLMM_DRV_STRENGTH_MASK GENMASK(8, 6)
-#define TLMM_GPIO_DISABLE BIT(9)
-
-static const struct pinconf_param msm_conf_params[] = {
- { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 2 },
- { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 },
- { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 2 },
-};
-
-static int msm_get_functions_count(struct udevice *dev)
-{
- struct msm_pinctrl_priv *priv = dev_get_priv(dev);
-
- return priv->data->functions_count;
-}
-
-static int msm_get_pins_count(struct udevice *dev)
-{
- struct msm_pinctrl_priv *priv = dev_get_priv(dev);
-
- return priv->data->pin_count;
-}
-
-static const char *msm_get_function_name(struct udevice *dev,
- unsigned int selector)
-{
- struct msm_pinctrl_priv *priv = dev_get_priv(dev);
-
- return priv->data->get_function_name(dev, selector);
-}
-
-static int msm_pinctrl_probe(struct udevice *dev)
-{
- struct msm_pinctrl_priv *priv = dev_get_priv(dev);
-
- priv->base = devfdt_get_addr(dev);
- priv->data = (struct msm_pinctrl_data *)dev->driver_data;
-
- return priv->base == FDT_ADDR_T_NONE ? -EINVAL : 0;
-}
-
-static const char *msm_get_pin_name(struct udevice *dev, unsigned int selector)
-{
- struct msm_pinctrl_priv *priv = dev_get_priv(dev);
-
- return priv->data->get_pin_name(dev, selector);
-}
-
-static int msm_pinmux_set(struct udevice *dev, unsigned int pin_selector,
- unsigned int func_selector)
-{
- struct msm_pinctrl_priv *priv = dev_get_priv(dev);
-
- clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector),
- TLMM_FUNC_SEL_MASK | TLMM_GPIO_DISABLE,
- priv->data->get_function_mux(func_selector) << 2);
- return 0;
-}
-
-static int msm_pinconf_set(struct udevice *dev, unsigned int pin_selector,
- unsigned int param, unsigned int argument)
-{
- struct msm_pinctrl_priv *priv = dev_get_priv(dev);
-
- switch (param) {
- case PIN_CONFIG_DRIVE_STRENGTH:
- clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector),
- TLMM_DRV_STRENGTH_MASK, argument << 6);
- break;
- case PIN_CONFIG_BIAS_DISABLE:
- clrbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector),
- TLMM_GPIO_PULL_MASK);
- break;
- case PIN_CONFIG_BIAS_PULL_UP:
- clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector),
- TLMM_GPIO_PULL_MASK, argument);
- break;
- default:
- return 0;
- }
-
- return 0;
-}
-
-static int msm_pinctrl_bind(struct udevice *dev)
-{
- ofnode node = dev_ofnode(dev);
- const char *name;
- int ret;
-
- ofnode_get_property(node, "gpio-controller", &ret);
- if (ret < 0)
- return 0;
-
- /* Get the name of gpio node */
- name = ofnode_get_name(node);
- if (!name)
- return -EINVAL;
-
- /* Bind gpio node */
- ret = device_bind_driver_to_node(dev, "gpio_msm",
- name, node, NULL);
- if (ret)
- return ret;
-
- dev_dbg(dev, "bind %s\n", name);
-
- return 0;
-}
-
-static struct pinctrl_ops msm_pinctrl_ops = {
- .get_pins_count = msm_get_pins_count,
- .get_pin_name = msm_get_pin_name,
- .set_state = pinctrl_generic_set_state,
- .pinmux_set = msm_pinmux_set,
- .pinconf_num_params = ARRAY_SIZE(msm_conf_params),
- .pinconf_params = msm_conf_params,
- .pinconf_set = msm_pinconf_set,
- .get_functions_count = msm_get_functions_count,
- .get_function_name = msm_get_function_name,
-};
-
-static const struct udevice_id msm_pinctrl_ids[] = {
- { .compatible = "qcom,ipq4019-pinctrl", .data = (ulong)&ipq4019_data },
- { }
-};
-
-U_BOOT_DRIVER(pinctrl_snapdraon) = {
- .name = "pinctrl_msm",
- .id = UCLASS_PINCTRL,
- .of_match = msm_pinctrl_ids,
- .priv_auto = sizeof(struct msm_pinctrl_priv),
- .ops = &msm_pinctrl_ops,
- .probe = msm_pinctrl_probe,
- .bind = msm_pinctrl_bind,
-};
* Author: Robert Marko <robert.marko@sartura.hr>
*/
-#include "pinctrl-snapdragon.h"
#include <common.h>
+#include <dm.h>
-#define MAX_PIN_NAME_LEN 32
-static char pin_name[MAX_PIN_NAME_LEN];
+#include "pinctrl-qcom.h"
+#define MAX_PIN_NAME_LEN 32
+static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
static const struct pinctrl_function msm_pinctrl_functions[] = {
{"gpio", 0},
{"blsp_uart0_0", 1}, /* Only for GPIO:16,17 */
{"mdc_0", 1}, /* Only for GPIO7 */
{"mdc_1", 2}, /* Only for GPIO52 */
};
-
static const char *ipq4019_get_function_name(struct udevice *dev,
unsigned int selector)
{
return msm_pinctrl_functions[selector].val;
}
-struct msm_pinctrl_data ipq4019_data = {
+static const struct msm_pinctrl_data ipq4019_data = {
.pin_count = 100,
.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
.get_function_name = ipq4019_get_function_name,
.get_function_mux = ipq4019_get_function_mux,
.get_pin_name = ipq4019_get_pin_name,
};
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+ { .compatible = "qcom,ipq4019-pinctrl", .data = (ulong)&ipq4019_data },
+ { /* Sentinal */ }
+};
+
+U_BOOT_DRIVER(pinctrl_ipq4019) = {
+ .name = "pinctrl_ipq4019",
+ .id = UCLASS_NOP,
+ .of_match = msm_pinctrl_ids,
+ .ops = &msm_pinctrl_ops,
+ .bind = msm_pinctrl_bind,
+};
projects / u-boot.git / commitdiff
