From 41845541adebc503b8574943c92670016d5e566b Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Fri, 23 Aug 2024 17:05:18 +0800 Subject: firmware: arm_scmi: Add initial support for i.MX BBM protocol i.MX95 has a battery-backed module(BBM), which has persistent storage (GPR), an RTC, and the ON/OFF button. The System Manager(SM) firmware use SCMI vendor protocol(SCMI BBM) to let agent be able to use GPR, RTC and ON/OFF button. Reviewed-by: Cristian Marussi Signed-off-by: Peng Fan Message-Id: <20240823-imx95-bbm-misc-v2-v8-2-e600ed9e9271@nxp.com> Signed-off-by: Sudeep Holla --- include/linux/scmi_imx_protocol.h | 42 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 include/linux/scmi_imx_protocol.h (limited to 'include/linux') diff --git a/include/linux/scmi_imx_protocol.h b/include/linux/scmi_imx_protocol.h new file mode 100644 index 000000000000..2df2ea0f1809 --- /dev/null +++ b/include/linux/scmi_imx_protocol.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * SCMI Message Protocol driver NXP extension header + * + * Copyright 2024 NXP. + */ + +#ifndef _LINUX_SCMI_NXP_PROTOCOL_H +#define _LINUX_SCMI_NXP_PROTOCOL_H + +#include +#include +#include +#include + +enum scmi_nxp_protocol { + SCMI_PROTOCOL_IMX_BBM = 0x81, +}; + +struct scmi_imx_bbm_proto_ops { + int (*rtc_time_set)(const struct scmi_protocol_handle *ph, u32 id, + uint64_t sec); + int (*rtc_time_get)(const struct scmi_protocol_handle *ph, u32 id, + u64 *val); + int (*rtc_alarm_set)(const struct scmi_protocol_handle *ph, u32 id, + bool enable, u64 sec); + int (*button_get)(const struct scmi_protocol_handle *ph, u32 *state); +}; + +enum scmi_nxp_notification_events { + SCMI_EVENT_IMX_BBM_RTC = 0x0, + SCMI_EVENT_IMX_BBM_BUTTON = 0x1, +}; + +struct scmi_imx_bbm_notif_report { + bool is_rtc; + bool is_button; + ktime_t timestamp; + unsigned int rtc_id; + unsigned int rtc_evt; +}; +#endif -- cgit From 61c9f03e22fc57fe61726c513b1f92c0ed1ef00f Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Fri, 23 Aug 2024 17:05:19 +0800 Subject: firmware: arm_scmi: Add initial support for i.MX MISC protocol i.MX95 System Manager(SM) firmware includes a SCMI vendor protocol, SCMI MISC protocol which includes controls that are misc settings/actions that must be exposed from the SM to agents. They are device specific and are usually define to access bit fields in various mix block control modules, IOMUX_GPR, and other General Purpose registers, Control Status Registers owned by the SM. Reviewed-by: Cristian Marussi Signed-off-by: Peng Fan Message-Id: <20240823-imx95-bbm-misc-v2-v8-3-e600ed9e9271@nxp.com> Signed-off-by: Sudeep Holla --- drivers/firmware/arm_scmi/vendors/imx/Kconfig | 10 + drivers/firmware/arm_scmi/vendors/imx/Makefile | 1 + .../firmware/arm_scmi/vendors/imx/imx-sm-misc.c | 318 +++++++++++++++++++++ include/linux/scmi_imx_protocol.h | 17 ++ 4 files changed, 346 insertions(+) create mode 100644 drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c (limited to 'include/linux') diff --git a/drivers/firmware/arm_scmi/vendors/imx/Kconfig b/drivers/firmware/arm_scmi/vendors/imx/Kconfig index 95d0dec2ca94..2883ed24a84d 100644 --- a/drivers/firmware/arm_scmi/vendors/imx/Kconfig +++ b/drivers/firmware/arm_scmi/vendors/imx/Kconfig @@ -12,4 +12,14 @@ config IMX_SCMI_BBM_EXT To compile this driver as a module, choose M here: the module will be called imx-sm-bbm. +config IMX_SCMI_MISC_EXT + tristate "i.MX SCMI MISC EXTENSION" + depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF) + default y if ARCH_MXC + help + This enables i.MX System MISC control logic such as gpio expander + wakeup + + To compile this driver as a module, choose M here: the + module will be called imx-sm-misc. endmenu diff --git a/drivers/firmware/arm_scmi/vendors/imx/Makefile b/drivers/firmware/arm_scmi/vendors/imx/Makefile index a7dbdd20dbb9..d3ee6d544924 100644 --- a/drivers/firmware/arm_scmi/vendors/imx/Makefile +++ b/drivers/firmware/arm_scmi/vendors/imx/Makefile @@ -1,2 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_IMX_SCMI_BBM_EXT) += imx-sm-bbm.o +obj-$(CONFIG_IMX_SCMI_MISC_EXT) += imx-sm-misc.o diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c new file mode 100644 index 000000000000..a86ab9b35953 --- /dev/null +++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c @@ -0,0 +1,318 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * System control and Management Interface (SCMI) NXP MISC Protocol + * + * Copyright 2024 NXP + */ + +#define pr_fmt(fmt) "SCMI Notifications MISC - " fmt + +#include +#include +#include +#include +#include +#include +#include + +#include "../../protocols.h" +#include "../../notify.h" + +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x10000 + +#define MAX_MISC_CTRL_SOURCES GENMASK(15, 0) + +enum scmi_imx_misc_protocol_cmd { + SCMI_IMX_MISC_CTRL_SET = 0x3, + SCMI_IMX_MISC_CTRL_GET = 0x4, + SCMI_IMX_MISC_CTRL_NOTIFY = 0x8, +}; + +struct scmi_imx_misc_info { + u32 version; + u32 nr_dev_ctrl; + u32 nr_brd_ctrl; + u32 nr_reason; +}; + +struct scmi_msg_imx_misc_protocol_attributes { + __le32 attributes; +}; + +#define GET_BRD_CTRLS_NR(x) le32_get_bits((x), GENMASK(31, 24)) +#define GET_REASONS_NR(x) le32_get_bits((x), GENMASK(23, 16)) +#define GET_DEV_CTRLS_NR(x) le32_get_bits((x), GENMASK(15, 0)) +#define BRD_CTRL_START_ID BIT(15) + +struct scmi_imx_misc_ctrl_set_in { + __le32 id; + __le32 num; + __le32 value[]; +}; + +struct scmi_imx_misc_ctrl_notify_in { + __le32 ctrl_id; + __le32 flags; +}; + +struct scmi_imx_misc_ctrl_notify_payld { + __le32 ctrl_id; + __le32 flags; +}; + +struct scmi_imx_misc_ctrl_get_out { + __le32 num; + __le32 val[]; +}; + +static int scmi_imx_misc_attributes_get(const struct scmi_protocol_handle *ph, + struct scmi_imx_misc_info *mi) +{ + int ret; + struct scmi_xfer *t; + struct scmi_msg_imx_misc_protocol_attributes *attr; + + ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0, + sizeof(*attr), &t); + if (ret) + return ret; + + attr = t->rx.buf; + + ret = ph->xops->do_xfer(ph, t); + if (!ret) { + mi->nr_dev_ctrl = GET_DEV_CTRLS_NR(attr->attributes); + mi->nr_brd_ctrl = GET_BRD_CTRLS_NR(attr->attributes); + mi->nr_reason = GET_REASONS_NR(attr->attributes); + dev_info(ph->dev, "i.MX MISC NUM DEV CTRL: %d, NUM BRD CTRL: %d,NUM Reason: %d\n", + mi->nr_dev_ctrl, mi->nr_brd_ctrl, mi->nr_reason); + } + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int scmi_imx_misc_ctrl_validate_id(const struct scmi_protocol_handle *ph, + u32 ctrl_id) +{ + struct scmi_imx_misc_info *mi = ph->get_priv(ph); + + /* + * [0, BRD_CTRL_START_ID) is for Dev Ctrl which is SOC related + * [BRD_CTRL_START_ID, 0xffff) is for Board Ctrl which is board related + */ + if (ctrl_id < BRD_CTRL_START_ID && ctrl_id > mi->nr_dev_ctrl) + return -EINVAL; + if (ctrl_id >= BRD_CTRL_START_ID + mi->nr_brd_ctrl) + return -EINVAL; + + return 0; +} + +static int scmi_imx_misc_ctrl_notify(const struct scmi_protocol_handle *ph, + u32 ctrl_id, u32 evt_id, u32 flags) +{ + struct scmi_imx_misc_ctrl_notify_in *in; + struct scmi_xfer *t; + int ret; + + ret = scmi_imx_misc_ctrl_validate_id(ph, ctrl_id); + if (ret) + return ret; + + ret = ph->xops->xfer_get_init(ph, SCMI_IMX_MISC_CTRL_NOTIFY, + sizeof(*in), 0, &t); + if (ret) + return ret; + + in = t->tx.buf; + in->ctrl_id = cpu_to_le32(ctrl_id); + in->flags = cpu_to_le32(flags); + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int +scmi_imx_misc_ctrl_set_notify_enabled(const struct scmi_protocol_handle *ph, + u8 evt_id, u32 src_id, bool enable) +{ + int ret; + + /* misc_ctrl_req_notify is for enablement */ + if (enable) + return 0; + + ret = scmi_imx_misc_ctrl_notify(ph, src_id, evt_id, 0); + if (ret) + dev_err(ph->dev, "FAIL_ENABLED - evt[%X] src[%d] - ret:%d\n", + evt_id, src_id, ret); + + return ret; +} + +static void * +scmi_imx_misc_ctrl_fill_custom_report(const struct scmi_protocol_handle *ph, + u8 evt_id, ktime_t timestamp, + const void *payld, size_t payld_sz, + void *report, u32 *src_id) +{ + const struct scmi_imx_misc_ctrl_notify_payld *p = payld; + struct scmi_imx_misc_ctrl_notify_report *r = report; + + if (sizeof(*p) != payld_sz) + return NULL; + + r->timestamp = timestamp; + r->ctrl_id = le32_to_cpu(p->ctrl_id); + r->flags = le32_to_cpu(p->flags); + if (src_id) + *src_id = r->ctrl_id; + dev_dbg(ph->dev, "%s: ctrl_id: %d flags: %d\n", __func__, + r->ctrl_id, r->flags); + + return r; +} + +static const struct scmi_event_ops scmi_imx_misc_event_ops = { + .set_notify_enabled = scmi_imx_misc_ctrl_set_notify_enabled, + .fill_custom_report = scmi_imx_misc_ctrl_fill_custom_report, +}; + +static const struct scmi_event scmi_imx_misc_events[] = { + { + .id = SCMI_EVENT_IMX_MISC_CONTROL, + .max_payld_sz = sizeof(struct scmi_imx_misc_ctrl_notify_payld), + .max_report_sz = sizeof(struct scmi_imx_misc_ctrl_notify_report), + }, +}; + +static struct scmi_protocol_events scmi_imx_misc_protocol_events = { + .queue_sz = SCMI_PROTO_QUEUE_SZ, + .ops = &scmi_imx_misc_event_ops, + .evts = scmi_imx_misc_events, + .num_events = ARRAY_SIZE(scmi_imx_misc_events), + .num_sources = MAX_MISC_CTRL_SOURCES, +}; + +static int scmi_imx_misc_ctrl_get(const struct scmi_protocol_handle *ph, + u32 ctrl_id, u32 *num, u32 *val) +{ + struct scmi_imx_misc_ctrl_get_out *out; + struct scmi_xfer *t; + int ret, i; + int max_msg_size = ph->hops->get_max_msg_size(ph); + int max_num = (max_msg_size - sizeof(*out)) / sizeof(__le32); + + ret = scmi_imx_misc_ctrl_validate_id(ph, ctrl_id); + if (ret) + return ret; + + ret = ph->xops->xfer_get_init(ph, SCMI_IMX_MISC_CTRL_GET, sizeof(u32), + 0, &t); + if (ret) + return ret; + + put_unaligned_le32(ctrl_id, t->tx.buf); + ret = ph->xops->do_xfer(ph, t); + if (!ret) { + out = t->rx.buf; + *num = le32_to_cpu(out->num); + + if (*num >= max_num || + *num * sizeof(__le32) > t->rx.len - sizeof(__le32)) { + ph->xops->xfer_put(ph, t); + return -EINVAL; + } + + for (i = 0; i < *num; i++) + val[i] = le32_to_cpu(out->val[i]); + } + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int scmi_imx_misc_ctrl_set(const struct scmi_protocol_handle *ph, + u32 ctrl_id, u32 num, u32 *val) +{ + struct scmi_imx_misc_ctrl_set_in *in; + struct scmi_xfer *t; + int ret, i; + int max_msg_size = ph->hops->get_max_msg_size(ph); + int max_num = (max_msg_size - sizeof(*in)) / sizeof(__le32); + + ret = scmi_imx_misc_ctrl_validate_id(ph, ctrl_id); + if (ret) + return ret; + + if (num > max_num) + return -EINVAL; + + ret = ph->xops->xfer_get_init(ph, SCMI_IMX_MISC_CTRL_SET, sizeof(*in), + 0, &t); + if (ret) + return ret; + + in = t->tx.buf; + in->id = cpu_to_le32(ctrl_id); + in->num = cpu_to_le32(num); + for (i = 0; i < num; i++) + in->value[i] = cpu_to_le32(val[i]); + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static const struct scmi_imx_misc_proto_ops scmi_imx_misc_proto_ops = { + .misc_ctrl_set = scmi_imx_misc_ctrl_set, + .misc_ctrl_get = scmi_imx_misc_ctrl_get, + .misc_ctrl_req_notify = scmi_imx_misc_ctrl_notify, +}; + +static int scmi_imx_misc_protocol_init(const struct scmi_protocol_handle *ph) +{ + struct scmi_imx_misc_info *minfo; + u32 version; + int ret; + + ret = ph->xops->version_get(ph, &version); + if (ret) + return ret; + + dev_info(ph->dev, "NXP SM MISC Version %d.%d\n", + PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + + minfo = devm_kzalloc(ph->dev, sizeof(*minfo), GFP_KERNEL); + if (!minfo) + return -ENOMEM; + + ret = scmi_imx_misc_attributes_get(ph, minfo); + if (ret) + return ret; + + return ph->set_priv(ph, minfo, version); +} + +static const struct scmi_protocol scmi_imx_misc = { + .id = SCMI_PROTOCOL_IMX_MISC, + .owner = THIS_MODULE, + .instance_init = &scmi_imx_misc_protocol_init, + .ops = &scmi_imx_misc_proto_ops, + .events = &scmi_imx_misc_protocol_events, + .supported_version = SCMI_PROTOCOL_SUPPORTED_VERSION, + .vendor_id = "NXP", + .sub_vendor_id = "IMX", +}; +module_scmi_protocol(scmi_imx_misc); + +MODULE_DESCRIPTION("i.MX SCMI MISC driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/scmi_imx_protocol.h b/include/linux/scmi_imx_protocol.h index 2df2ea0f1809..066216f1357a 100644 --- a/include/linux/scmi_imx_protocol.h +++ b/include/linux/scmi_imx_protocol.h @@ -15,6 +15,7 @@ enum scmi_nxp_protocol { SCMI_PROTOCOL_IMX_BBM = 0x81, + SCMI_PROTOCOL_IMX_MISC = 0x84, }; struct scmi_imx_bbm_proto_ops { @@ -30,6 +31,7 @@ struct scmi_imx_bbm_proto_ops { enum scmi_nxp_notification_events { SCMI_EVENT_IMX_BBM_RTC = 0x0, SCMI_EVENT_IMX_BBM_BUTTON = 0x1, + SCMI_EVENT_IMX_MISC_CONTROL = 0x0, }; struct scmi_imx_bbm_notif_report { @@ -39,4 +41,19 @@ struct scmi_imx_bbm_notif_report { unsigned int rtc_id; unsigned int rtc_evt; }; + +struct scmi_imx_misc_ctrl_notify_report { + ktime_t timestamp; + unsigned int ctrl_id; + unsigned int flags; +}; + +struct scmi_imx_misc_proto_ops { + int (*misc_ctrl_set)(const struct scmi_protocol_handle *ph, u32 id, + u32 num, u32 *val); + int (*misc_ctrl_get)(const struct scmi_protocol_handle *ph, u32 id, + u32 *num, u32 *val); + int (*misc_ctrl_req_notify)(const struct scmi_protocol_handle *ph, + u32 ctrl_id, u32 evt_id, u32 flags); +}; #endif -- cgit From 0b4f8a68b292e7ee82107b1ce15c3aad31c864b1 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Fri, 23 Aug 2024 17:05:21 +0800 Subject: firmware: imx: Add i.MX95 MISC driver The i.MX95 System manager exports SCMI MISC protocol for linux to do various settings, such as set board gpio expander as wakeup source. The driver is to add the support. Reviewed-by: Cristian Marussi Signed-off-by: Peng Fan Message-Id: <20240823-imx95-bbm-misc-v2-v8-5-e600ed9e9271@nxp.com> Signed-off-by: Sudeep Holla --- drivers/firmware/imx/Kconfig | 11 ++++ drivers/firmware/imx/Makefile | 1 + drivers/firmware/imx/sm-misc.c | 119 ++++++++++++++++++++++++++++++++++++++++ include/linux/firmware/imx/sm.h | 34 ++++++++++++ 4 files changed, 165 insertions(+) create mode 100644 drivers/firmware/imx/sm-misc.c create mode 100644 include/linux/firmware/imx/sm.h (limited to 'include/linux') diff --git a/drivers/firmware/imx/Kconfig b/drivers/firmware/imx/Kconfig index 183613f82a11..477d3f32d99a 100644 --- a/drivers/firmware/imx/Kconfig +++ b/drivers/firmware/imx/Kconfig @@ -22,3 +22,14 @@ config IMX_SCU This driver manages the IPC interface between host CPU and the SCU firmware running on M4. + +config IMX_SCMI_MISC_DRV + tristate "IMX SCMI MISC Protocol driver" + depends on IMX_SCMI_MISC_EXT || COMPILE_TEST + default y if ARCH_MXC + help + The System Controller Management Interface firmware (SCMI FW) is + a low-level system function which runs on a dedicated Cortex-M + core that could provide misc functions such as board control. + + This driver can also be built as a module. diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile index 8f9f04a513a8..8d046c341be8 100644 --- a/drivers/firmware/imx/Makefile +++ b/drivers/firmware/imx/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IMX_DSP) += imx-dsp.o obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o imx-scu-soc.o +obj-${CONFIG_IMX_SCMI_MISC_DRV} += sm-misc.o diff --git a/drivers/firmware/imx/sm-misc.c b/drivers/firmware/imx/sm-misc.c new file mode 100644 index 000000000000..fc3ee12c2be8 --- /dev/null +++ b/drivers/firmware/imx/sm-misc.c @@ -0,0 +1,119 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include +#include + +static const struct scmi_imx_misc_proto_ops *imx_misc_ctrl_ops; +static struct scmi_protocol_handle *ph; +struct notifier_block scmi_imx_misc_ctrl_nb; + +int scmi_imx_misc_ctrl_set(u32 id, u32 val) +{ + if (!ph) + return -EPROBE_DEFER; + + return imx_misc_ctrl_ops->misc_ctrl_set(ph, id, 1, &val); +}; +EXPORT_SYMBOL(scmi_imx_misc_ctrl_set); + +int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val) +{ + if (!ph) + return -EPROBE_DEFER; + + return imx_misc_ctrl_ops->misc_ctrl_get(ph, id, num, val); +} +EXPORT_SYMBOL(scmi_imx_misc_ctrl_get); + +static int scmi_imx_misc_ctrl_notifier(struct notifier_block *nb, + unsigned long event, void *data) +{ + /* + * notifier_chain_register requires a valid notifier_block and + * valid notifier_call. SCMI_EVENT_IMX_MISC_CONTROL is needed + * to let SCMI firmware enable control events, but the hook here + * is just a dummy function to avoid kernel panic as of now. + */ + return 0; +} + +static int scmi_imx_misc_ctrl_probe(struct scmi_device *sdev) +{ + const struct scmi_handle *handle = sdev->handle; + struct device_node *np = sdev->dev.of_node; + u32 src_id, flags; + int ret, i, num; + + if (!handle) + return -ENODEV; + + if (imx_misc_ctrl_ops) { + dev_err(&sdev->dev, "misc ctrl already initialized\n"); + return -EEXIST; + } + + imx_misc_ctrl_ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_IMX_MISC, &ph); + if (IS_ERR(imx_misc_ctrl_ops)) + return PTR_ERR(imx_misc_ctrl_ops); + + num = of_property_count_u32_elems(np, "nxp,ctrl-ids"); + if (num % 2) { + dev_err(&sdev->dev, "Invalid wakeup-sources\n"); + return -EINVAL; + } + + scmi_imx_misc_ctrl_nb.notifier_call = &scmi_imx_misc_ctrl_notifier; + for (i = 0; i < num; i += 2) { + ret = of_property_read_u32_index(np, "nxp,ctrl-ids", i, &src_id); + if (ret) { + dev_err(&sdev->dev, "Failed to read ctrl-id: %i\n", i); + continue; + } + + ret = of_property_read_u32_index(np, "nxp,ctrl-ids", i + 1, &flags); + if (ret) { + dev_err(&sdev->dev, "Failed to read ctrl-id value: %d\n", i + 1); + continue; + } + + ret = handle->notify_ops->devm_event_notifier_register(sdev, SCMI_PROTOCOL_IMX_MISC, + SCMI_EVENT_IMX_MISC_CONTROL, + &src_id, + &scmi_imx_misc_ctrl_nb); + if (ret) { + dev_err(&sdev->dev, "Failed to register scmi misc event: %d\n", src_id); + } else { + ret = imx_misc_ctrl_ops->misc_ctrl_req_notify(ph, src_id, + SCMI_EVENT_IMX_MISC_CONTROL, + flags); + if (ret) + dev_err(&sdev->dev, "Failed to req notify: %d\n", src_id); + } + } + + return 0; +} + +static const struct scmi_device_id scmi_id_table[] = { + { SCMI_PROTOCOL_IMX_MISC, "imx-misc-ctrl" }, + { }, +}; +MODULE_DEVICE_TABLE(scmi, scmi_id_table); + +static struct scmi_driver scmi_imx_misc_ctrl_driver = { + .name = "scmi-imx-misc-ctrl", + .probe = scmi_imx_misc_ctrl_probe, + .id_table = scmi_id_table, +}; +module_scmi_driver(scmi_imx_misc_ctrl_driver); + +MODULE_AUTHOR("Peng Fan "); +MODULE_DESCRIPTION("IMX SM MISC driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/firmware/imx/sm.h b/include/linux/firmware/imx/sm.h new file mode 100644 index 000000000000..62a2690e2abd --- /dev/null +++ b/include/linux/firmware/imx/sm.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2024 NXP + */ + +#ifndef _SCMI_IMX_H +#define _SCMI_IMX_H + +#include +#include +#include + +#define SCMI_IMX_CTRL_PDM_CLK_SEL 0 /* AON PDM clock sel */ +#define SCMI_IMX_CTRL_MQS1_SETTINGS 1 /* AON MQS settings */ +#define SCMI_IMX_CTRL_SAI1_MCLK 2 /* AON SAI1 MCLK */ +#define SCMI_IMX_CTRL_SAI3_MCLK 3 /* WAKE SAI3 MCLK */ +#define SCMI_IMX_CTRL_SAI4_MCLK 4 /* WAKE SAI4 MCLK */ +#define SCMI_IMX_CTRL_SAI5_MCLK 5 /* WAKE SAI5 MCLK */ + +#if IS_ENABLED(CONFIG_IMX_SCMI_MISC_EXT) +int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val); +int scmi_imx_misc_ctrl_set(u32 id, u32 val); +#else +static inline int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val) +{ + return -EOPNOTSUPP; +} + +static inline int scmi_imx_misc_ctrl_set(u32 id, u32 val); +{ + return -EOPNOTSUPP; +} +#endif +#endif -- cgit