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authorLinus Torvalds <torvalds@linux-foundation.org>2025-01-24 14:56:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2025-01-24 14:56:59 -0800
commitf2ad904e923f70a80f478febf001f88dfd65a64c (patch)
tree3f54b7556b9fc5fb5d07525186e4bd216c58b55d /drivers/reset
parentf10203927097ff9e5a251f170038fefa38e274b7 (diff)
parent9ec80025030b0492512e01e2e667f4111c583b46 (diff)
Merge tag 'soc-drivers-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann: "These are changes to SoC specific drivers and DT bindings that don't have a separate subsystem tree, or that get grouped here for simplicity. Nothing out of the ordinary for the 6.14 release here: - Most of the updates are for Qualcomm specific drivers, adding support for additional SoCs in the exssting drivers, and support for wrapped encryption key access in the SCM firmware. - The Arm SCMI firmware code gains support for having multiple instances of firmware running, and better module auto loading. - A few minor updates for litex, samsung, ti, tegra, mediatek, imx and renesas platforms. - Reset controller updates for amlogic, to add support for the A1 soc and clean up the existing code. - Memory controller updates for ti davinci aemif, refactoring the code and adding a few interfaces to other drivers" * tag 'soc-drivers-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (58 commits) drivers/soc/litex: Use devm_register_restart_handler() reset: amlogic: aux: drop aux registration helper reset: amlogic: aux: get regmap through parent device reset: amlogic: add support for A1 SoC in auxiliary reset driver dt-bindings: reset: add bindings for A1 SoC audio reset controller soc/tegra: fuse: Update Tegra234 nvmem keepout list soc/tegra: Fix spelling error in tegra234_lookup_slave_timeout() soc/tegra: cbb: Drop unnecessary debugfs error handling firmware: qcom: scm: add calls for wrapped key support soc: qcom: pd_mapper: Add SM7225 compatible dt-bindings: firmware: qcom,scm: Document ipq5424 SCM soc: qcom: llcc: Update configuration data for IPQ5424 dt-bindings: cache: qcom,llcc: Add IPQ5424 compatible soc: mediatek: mtk-devapc: Fix leaking IO map on driver remove soc: mediatek: mtk-devapc: Fix leaking IO map on error paths firmware: qcom: scm: smc: Narrow 'mempool' variable scope firmware: qcom: scm: smc: Handle missing SCM device firmware: qcom: scm: Cleanup global '__scm' on probe failures firmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool() firmware: qcom: scm: Fix missing read barrier in qcom_scm_is_available() ...
Diffstat (limited to 'drivers/reset')
-rw-r--r--drivers/reset/amlogic/reset-meson-aux.c97
1 files changed, 21 insertions, 76 deletions
diff --git a/drivers/reset/amlogic/reset-meson-aux.c b/drivers/reset/amlogic/reset-meson-aux.c
index 61ce515d92a2..33c06013439e 100644
--- a/drivers/reset/amlogic/reset-meson-aux.c
+++ b/drivers/reset/amlogic/reset-meson-aux.c
@@ -11,20 +11,20 @@
#include <linux/auxiliary_bus.h>
#include <linux/regmap.h>
#include <linux/reset-controller.h>
-#include <linux/slab.h>
#include "reset-meson.h"
-#include <soc/amlogic/reset-meson-aux.h>
-static DEFINE_IDA(meson_rst_aux_ida);
-
-struct meson_reset_adev {
- struct auxiliary_device adev;
- struct regmap *map;
+static const struct meson_reset_param meson_a1_audio_param = {
+ .reset_ops = &meson_reset_toggle_ops,
+ .reset_num = 32,
+ .level_offset = 0x28,
};
-#define to_meson_reset_adev(_adev) \
- container_of((_adev), struct meson_reset_adev, adev)
+static const struct meson_reset_param meson_a1_audio_vad_param = {
+ .reset_ops = &meson_reset_toggle_ops,
+ .reset_num = 6,
+ .level_offset = 0x8,
+};
static const struct meson_reset_param meson_g12a_audio_param = {
.reset_ops = &meson_reset_toggle_ops,
@@ -40,6 +40,12 @@ static const struct meson_reset_param meson_sm1_audio_param = {
static const struct auxiliary_device_id meson_reset_aux_ids[] = {
{
+ .name = "a1-audio-clkc.rst-a1",
+ .driver_data = (kernel_ulong_t)&meson_a1_audio_param,
+ }, {
+ .name = "a1-audio-clkc.rst-a1-vad",
+ .driver_data = (kernel_ulong_t)&meson_a1_audio_vad_param,
+ }, {
.name = "axg-audio-clkc.rst-g12a",
.driver_data = (kernel_ulong_t)&meson_g12a_audio_param,
}, {
@@ -54,10 +60,13 @@ static int meson_reset_aux_probe(struct auxiliary_device *adev,
{
const struct meson_reset_param *param =
(const struct meson_reset_param *)(id->driver_data);
- struct meson_reset_adev *raux =
- to_meson_reset_adev(adev);
+ struct regmap *map;
+
+ map = dev_get_regmap(adev->dev.parent, NULL);
+ if (!map)
+ return -EINVAL;
- return meson_reset_controller_register(&adev->dev, raux->map, param);
+ return meson_reset_controller_register(&adev->dev, map, param);
}
static struct auxiliary_driver meson_reset_aux_driver = {
@@ -66,70 +75,6 @@ static struct auxiliary_driver meson_reset_aux_driver = {
};
module_auxiliary_driver(meson_reset_aux_driver);
-static void meson_rst_aux_release(struct device *dev)
-{
- struct auxiliary_device *adev = to_auxiliary_dev(dev);
- struct meson_reset_adev *raux =
- to_meson_reset_adev(adev);
-
- ida_free(&meson_rst_aux_ida, adev->id);
- kfree(raux);
-}
-
-static void meson_rst_aux_unregister_adev(void *_adev)
-{
- struct auxiliary_device *adev = _adev;
-
- auxiliary_device_delete(adev);
- auxiliary_device_uninit(adev);
-}
-
-int devm_meson_rst_aux_register(struct device *dev,
- struct regmap *map,
- const char *adev_name)
-{
- struct meson_reset_adev *raux;
- struct auxiliary_device *adev;
- int ret;
-
- raux = kzalloc(sizeof(*raux), GFP_KERNEL);
- if (!raux)
- return -ENOMEM;
-
- ret = ida_alloc(&meson_rst_aux_ida, GFP_KERNEL);
- if (ret < 0)
- goto raux_free;
-
- raux->map = map;
-
- adev = &raux->adev;
- adev->id = ret;
- adev->name = adev_name;
- adev->dev.parent = dev;
- adev->dev.release = meson_rst_aux_release;
- device_set_of_node_from_dev(&adev->dev, dev);
-
- ret = auxiliary_device_init(adev);
- if (ret)
- goto ida_free;
-
- ret = __auxiliary_device_add(adev, dev->driver->name);
- if (ret) {
- auxiliary_device_uninit(adev);
- return ret;
- }
-
- return devm_add_action_or_reset(dev, meson_rst_aux_unregister_adev,
- adev);
-
-ida_free:
- ida_free(&meson_rst_aux_ida, adev->id);
-raux_free:
- kfree(raux);
- return ret;
-}
-EXPORT_SYMBOL_GPL(devm_meson_rst_aux_register);
-
MODULE_DESCRIPTION("Amlogic Meson Reset Auxiliary driver");
MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
MODULE_LICENSE("Dual BSD/GPL");