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authorSascha Hauer <s.hauer@pengutronix.de>2019-02-13 20:31:47 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2019-02-13 20:31:47 +0100
commite6b18f7fa973e22f4a7829412a9ac1aabb51b286 (patch)
tree521d2da0cd5f0cd3025ff72afa5a1e7157fea011 /include
parent13e7822149d6f7653dabba6b4e4a1f122d3dae6f (diff)
parent527422a4ad764c46bc958f91603e6b5e9860d4ba (diff)
downloadbarebox-e6b18f7fa973e22f4a7829412a9ac1aabb51b286.tar.gz
barebox-e6b18f7fa973e22f4a7829412a9ac1aabb51b286.tar.xz
Merge branch 'for-next/imx'
Diffstat (limited to 'include')
-rw-r--r--include/dt-bindings/reset/imx8mq-reset.h64
-rw-r--r--include/linux/reset-controller.h2
-rw-r--r--include/pm_domain.h82
-rw-r--r--include/regulator.h41
4 files changed, 186 insertions, 3 deletions
diff --git a/include/dt-bindings/reset/imx8mq-reset.h b/include/dt-bindings/reset/imx8mq-reset.h
new file mode 100644
index 0000000000..57c592498a
--- /dev/null
+++ b/include/dt-bindings/reset/imx8mq-reset.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 Zodiac Inflight Innovations
+ *
+ * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
+ */
+
+#ifndef DT_BINDING_RESET_IMX8MQ_H
+#define DT_BINDING_RESET_IMX8MQ_H
+
+#define IMX8MQ_RESET_A53_CORE_POR_RESET0 0
+#define IMX8MQ_RESET_A53_CORE_POR_RESET1 1
+#define IMX8MQ_RESET_A53_CORE_POR_RESET2 2
+#define IMX8MQ_RESET_A53_CORE_POR_RESET3 3
+#define IMX8MQ_RESET_A53_CORE_RESET0 4
+#define IMX8MQ_RESET_A53_CORE_RESET1 5
+#define IMX8MQ_RESET_A53_CORE_RESET2 6
+#define IMX8MQ_RESET_A53_CORE_RESET3 7
+#define IMX8MQ_RESET_A53_DBG_RESET0 8
+#define IMX8MQ_RESET_A53_DBG_RESET1 9
+#define IMX8MQ_RESET_A53_DBG_RESET2 10
+#define IMX8MQ_RESET_A53_DBG_RESET3 11
+#define IMX8MQ_RESET_A53_ETM_RESET0 12
+#define IMX8MQ_RESET_A53_ETM_RESET1 13
+#define IMX8MQ_RESET_A53_ETM_RESET2 14
+#define IMX8MQ_RESET_A53_ETM_RESET3 15
+#define IMX8MQ_RESET_A53_SOC_DBG_RESET 16
+#define IMX8MQ_RESET_A53_L2RESET 17
+#define IMX8MQ_RESET_SW_NON_SCLR_M4C_RST 18
+#define IMX8MQ_RESET_OTG1_PHY_RESET 19
+#define IMX8MQ_RESET_OTG2_PHY_RESET 20
+#define IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N 21
+#define IMX8MQ_RESET_MIPI_DSI_RESET_N 22
+#define IMX8MQ_RESET_MIPI_DIS_DPI_RESET_N 23
+#define IMX8MQ_RESET_MIPI_DIS_ESC_RESET_N 24
+#define IMX8MQ_RESET_MIPI_DIS_PCLK_RESET_N 25
+#define IMX8MQ_RESET_PCIEPHY 26
+#define IMX8MQ_RESET_PCIEPHY_PERST 27
+#define IMX8MQ_RESET_PCIE_CTRL_APPS_EN 28
+#define IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF 29
+#define IMX8MQ_RESET_HDMI_PHY_APB_RESET 30
+#define IMX8MQ_RESET_DISP_RESET 31
+#define IMX8MQ_RESET_GPU_RESET 32
+#define IMX8MQ_RESET_VPU_RESET 33
+#define IMX8MQ_RESET_PCIEPHY2 34
+#define IMX8MQ_RESET_PCIEPHY2_PERST 35
+#define IMX8MQ_RESET_PCIE2_CTRL_APPS_EN 36
+#define IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF 37
+#define IMX8MQ_RESET_MIPI_CSI1_CORE_RESET 38
+#define IMX8MQ_RESET_MIPI_CSI1_PHY_REF_RESET 39
+#define IMX8MQ_RESET_MIPI_CSI1_ESC_RESET 40
+#define IMX8MQ_RESET_MIPI_CSI2_CORE_RESET 41
+#define IMX8MQ_RESET_MIPI_CSI2_PHY_REF_RESET 42
+#define IMX8MQ_RESET_MIPI_CSI2_ESC_RESET 43
+#define IMX8MQ_RESET_DDRC1_PRST 44
+#define IMX8MQ_RESET_DDRC1_CORE_RESET 45
+#define IMX8MQ_RESET_DDRC1_PHY_RESET 46
+#define IMX8MQ_RESET_DDRC2_PRST 47
+#define IMX8MQ_RESET_DDRC2_CORE_RESET 48
+#define IMX8MQ_RESET_DDRC2_PHY_RESET 49
+
+#define IMX8MQ_RESET_NUM 50
+
+#endif
diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h
index d8265486a0..aff03a9c62 100644
--- a/include/linux/reset-controller.h
+++ b/include/linux/reset-controller.h
@@ -35,7 +35,7 @@ struct of_phandle_args;
* @nr_resets: number of reset controls in this reset controller device
*/
struct reset_controller_dev {
- struct reset_control_ops *ops;
+ const struct reset_control_ops *ops;
struct list_head list;
struct device_node *of_node;
int of_reset_n_cells;
diff --git a/include/pm_domain.h b/include/pm_domain.h
new file mode 100644
index 0000000000..6d59587ece
--- /dev/null
+++ b/include/pm_domain.h
@@ -0,0 +1,82 @@
+#ifndef _PM_DOMAIN_H
+#define _PM_DOMAIN_H
+
+enum gpd_status {
+ GPD_STATE_ACTIVE = 0, /* PM domain is active */
+ GPD_STATE_POWER_OFF, /* PM domain is off */
+};
+
+struct generic_pm_domain {
+ const char *name;
+ struct list_head gpd_list_node; /* Node in the global PM domains list */
+
+ enum gpd_status status; /* Current state of the domain */
+
+ int (*power_off)(struct generic_pm_domain *domain);
+ int (*power_on)(struct generic_pm_domain *domain);
+};
+
+typedef struct generic_pm_domain *(*genpd_xlate_t)(struct of_phandle_args *args,
+ void *data);
+
+#ifdef CONFIG_PM_GENERIC_DOMAINS
+
+int genpd_dev_pm_attach(struct device_d *dev);
+
+/**
+ * dev_pm_domain_attach - Attach a device to its PM domain.
+ * @dev: Device to attach.
+ * @power_on: Used to indicate whether we should power on the device.
+ *
+ * The @dev may only be attached to a single PM domain. By iterating through
+ * the available alternatives we try to find a valid PM domain for the device.
+ * As attachment succeeds, the ->detach() callback in the struct dev_pm_domain
+ * should be assigned by the corresponding attach function.
+ *
+ * This function should typically be invoked from subsystem level code during
+ * the probe phase. Especially for those that holds devices which requires
+ * power management through PM domains.
+ *
+ * Callers must ensure proper synchronization of this function with power
+ * management callbacks.
+ *
+ * Returns 0 on successfully attached PM domain or negative error code.
+ */
+static inline int dev_pm_domain_attach(struct device_d *dev, bool power_on)
+{
+ return genpd_dev_pm_attach(dev);
+}
+
+int pm_genpd_init(struct generic_pm_domain *genpd, void *gov, bool is_off);
+
+int of_genpd_add_provider_simple(struct device_node *np,
+ struct generic_pm_domain *genpd);
+
+#else
+
+static inline int pm_genpd_init(struct generic_pm_domain *genpd,
+ void *gov, bool is_off)
+{
+ return -ENOSYS;
+}
+
+static inline int genpd_dev_pm_attach(struct device_d *dev)
+{
+ return 0;
+}
+
+static inline int dev_pm_domain_attach(struct device_d *dev, bool power_on)
+{
+ return 0;
+}
+
+static inline int
+of_genpd_add_provider_simple(struct device_node *np,
+ struct generic_pm_domain *genpd)
+{
+ return -ENOTSUPP;
+}
+
+#endif
+
+#endif \ No newline at end of file
diff --git a/include/regulator.h b/include/regulator.h
index 367e13f05b..cd1d3ccf55 100644
--- a/include/regulator.h
+++ b/include/regulator.h
@@ -4,8 +4,28 @@
/* struct regulator is an opaque object for consumers */
struct regulator;
+struct regulator_desc {
+ unsigned n_voltages;
+ const struct regulator_ops *ops;
+
+ unsigned int min_uV;
+ unsigned int uV_step;
+ unsigned int linear_min_sel;
+
+ unsigned int vsel_reg;
+ unsigned int vsel_mask;
+ unsigned int apply_reg;
+ unsigned int apply_bit;
+ unsigned int enable_reg;
+ unsigned int enable_mask;
+ unsigned int enable_val;
+ unsigned int disable_val;
+ bool enable_is_inverted;
+};
+
struct regulator_dev {
- struct regulator_ops *ops;
+ const struct regulator_desc *desc;
+ struct regmap *regmap;
int boot_on;
};
@@ -14,6 +34,9 @@ struct regulator_ops {
int (*enable) (struct regulator_dev *);
int (*disable) (struct regulator_dev *);
int (*is_enabled) (struct regulator_dev *);
+
+ int (*list_voltage) (struct regulator_dev *, unsigned int);
+ int (*set_voltage_sel) (struct regulator_dev *, unsigned int);
};
#ifdef CONFIG_OFDEVICE
@@ -35,7 +58,15 @@ void regulators_print(void);
struct regulator *regulator_get(struct device_d *, const char *);
int regulator_enable(struct regulator *);
int regulator_disable(struct regulator *);
-
+int regulator_is_enabled_regmap(struct regulator_dev *);
+int regulator_enable_regmap(struct regulator_dev *);
+int regulator_disable_regmap(struct regulator_dev *);
+int regulator_set_voltage_sel_regmap(struct regulator_dev *, unsigned);
+int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV);
+int regulator_map_voltage_linear(struct regulator_dev *rdev,
+ int min_uV, int max_uV);
+int regulator_list_voltage_linear(struct regulator_dev *rdev,
+ unsigned int selector);
#else
static inline struct regulator *regulator_get(struct device_d *dev, const char *id)
@@ -53,6 +84,12 @@ static inline int regulator_disable(struct regulator *r)
return 0;
}
+static inline int regulator_set_voltage(struct regulator *regulator,
+ int min_uV, int max_uV)
+{
+ return 0;
+}
+
#endif
#endif /* __REGULATOR_H */