* [PATCH v2 1/3] soc: amlogic: meson-gx-socinfo: move common code to header file
2024-02-21 14:36 [PATCH v2 0/3] soc: amlogic: add new meson-gx-socinfo-sm driver Viacheslav Bocharov
@ 2024-02-21 14:36 ` Viacheslav Bocharov
2024-02-21 14:36 ` [PATCH v2 2/3] soc: amlogic: meson-gx-socinfo-sm: Add Amlogic secure-monitor SoC Information driver Viacheslav Bocharov
2024-02-21 14:36 ` [PATCH v2 3/3] soc: amlogic: meson-gx-socinfo: add new definition for Amlogic A113X package Viacheslav Bocharov
2 siblings, 0 replies; 7+ messages in thread
From: Viacheslav Bocharov @ 2024-02-21 14:36 UTC (permalink / raw)
To: Neil Armstrong, Kevin Hilman, Jerome Brunet, Martin Blumenstingl,
linux-kernel, linux-arm-kernel, linux-amlogic
Move common constants and inline functions from meson-gx-socinfo driver
to header file. Create new structures for store meson64 cpu_id and chip_id.
Signed-off-by: Viacheslav Bocharov <adeep@lexina.in>
---
.../soc/amlogic/meson-gx-socinfo-internal.h | 120 ++++++++++++++++
drivers/soc/amlogic/meson-gx-socinfo.c | 136 ++----------------
2 files changed, 134 insertions(+), 122 deletions(-)
create mode 100644 drivers/soc/amlogic/meson-gx-socinfo-internal.h
diff --git a/drivers/soc/amlogic/meson-gx-socinfo-internal.h b/drivers/soc/amlogic/meson-gx-socinfo-internal.h
new file mode 100644
index 000000000000..3ebb80972fc7
--- /dev/null
+++ b/drivers/soc/amlogic/meson-gx-socinfo-internal.h
@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2017 BayLibre, SAS
+ * Copyright (c) 2024 JetHome
+ * Author: Neil Armstrong <neil.armstrong@linaro.org>
+ * Author: Viacheslav Bocharov <adeep@lexina.in>
+ *
+ */
+
+#ifndef _MESON_GX_SOCINFO_INTERNAL_H_
+#define _MESON_GX_SOCINFO_INTERNAL_H_
+
+#include <linux/types.h>
+
+#define AO_SEC_SD_CFG8 0xe0
+#define AO_SEC_SOCINFO_OFFSET AO_SEC_SD_CFG8
+
+union meson_cpu_id {
+ struct { // cpu_id v1
+ u32 layout_ver:4;
+ u32 reserved:4;
+ u32 chip_rev:8;
+ u32 pack_id:8;
+ u32 major_id:8;
+ } v1;
+ struct { // cpu_id v2
+ u32 major_id:8;
+ u32 chip_rev:8;
+ u32 pack_id:8;
+ u32 reserved:4;
+ u32 layout_ver:4;
+ } v2;
+ u32 raw;
+};
+
+struct meson_sm_chip_id {
+ u32 version;
+ union meson_cpu_id cpu_id;
+ u8 serial[12];
+};
+
+static const struct meson_gx_soc_id {
+ const char *name;
+ unsigned int id;
+} soc_ids[] = {
+ { "GXBB", 0x1f },
+ { "GXTVBB", 0x20 },
+ { "GXL", 0x21 },
+ { "GXM", 0x22 },
+ { "TXL", 0x23 },
+ { "TXLX", 0x24 },
+ { "AXG", 0x25 },
+ { "GXLX", 0x26 },
+ { "TXHD", 0x27 },
+ { "G12A", 0x28 },
+ { "G12B", 0x29 },
+ { "SM1", 0x2b },
+ { "A1", 0x2c },
+};
+
+static const struct meson_gx_package_id {
+ const char *name;
+ unsigned int major_id;
+ unsigned int pack_id;
+ unsigned int pack_mask;
+} soc_packages[] = {
+ { "S905", 0x1f, 0, 0x20 }, /* pack_id != 0x20 */
+ { "S905H", 0x1f, 0x3, 0xf }, /* pack_id & 0xf == 0x3 */
+ { "S905M", 0x1f, 0x20, 0xf0 }, /* pack_id == 0x20 */
+ { "S905D", 0x21, 0, 0xf0 },
+ { "S905X", 0x21, 0x80, 0xf0 },
+ { "S905W", 0x21, 0xa0, 0xf0 },
+ { "S905L", 0x21, 0xc0, 0xf0 },
+ { "S905M2", 0x21, 0xe0, 0xf0 },
+ { "S805X", 0x21, 0x30, 0xf0 },
+ { "S805Y", 0x21, 0xb0, 0xf0 },
+ { "S912", 0x22, 0, 0x0 }, /* Only S912 is known for GXM */
+ { "962X", 0x24, 0x10, 0xf0 },
+ { "962E", 0x24, 0x20, 0xf0 },
+ { "A113X", 0x25, 0x37, 0xff },
+ { "A113D", 0x25, 0x22, 0xff },
+ { "S905D2", 0x28, 0x10, 0xf0 },
+ { "S905Y2", 0x28, 0x30, 0xf0 },
+ { "S905X2", 0x28, 0x40, 0xf0 },
+ { "A311D", 0x29, 0x10, 0xf0 },
+ { "S922X", 0x29, 0x40, 0xf0 },
+ { "S905D3", 0x2b, 0x4, 0xf5 },
+ { "S905X3", 0x2b, 0x5, 0xf5 },
+ { "S905X3", 0x2b, 0x10, 0x3f },
+ { "S905D3", 0x2b, 0x30, 0x3f },
+ { "A113L", 0x2c, 0x0, 0xf8 },
+};
+
+static inline const char *socinfo_v1_to_package_id(union meson_cpu_id socinfo)
+{
+ int i;
+
+ for (i = 0 ; i < ARRAY_SIZE(soc_packages) ; ++i) {
+ if (soc_packages[i].major_id == socinfo.v1.major_id &&
+ soc_packages[i].pack_id ==
+ (socinfo.v1.pack_id & soc_packages[i].pack_mask))
+ return soc_packages[i].name;
+ }
+
+ return "Unknown";
+}
+
+static inline const char *socinfo_v1_to_soc_id(union meson_cpu_id socinfo)
+{
+ int i;
+
+ for (i = 0 ; i < ARRAY_SIZE(soc_ids) ; ++i) {
+ if (soc_ids[i].id == socinfo.v1.major_id)
+ return soc_ids[i].name;
+ }
+
+ return "Unknown";
+}
+
+#endif /* _MESON_GX_SOCINFO_INTERNAL_H_ */
diff --git a/drivers/soc/amlogic/meson-gx-socinfo.c b/drivers/soc/amlogic/meson-gx-socinfo.c
index 6abb730344ab..006f3b09940d 100644
--- a/drivers/soc/amlogic/meson-gx-socinfo.c
+++ b/drivers/soc/amlogic/meson-gx-socinfo.c
@@ -12,118 +12,10 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/sys_soc.h>
-#include <linux/bitfield.h>
#include <linux/regmap.h>
#include <linux/mfd/syscon.h>
-#define AO_SEC_SD_CFG8 0xe0
-#define AO_SEC_SOCINFO_OFFSET AO_SEC_SD_CFG8
-
-#define SOCINFO_MAJOR GENMASK(31, 24)
-#define SOCINFO_PACK GENMASK(23, 16)
-#define SOCINFO_MINOR GENMASK(15, 8)
-#define SOCINFO_MISC GENMASK(7, 0)
-
-static const struct meson_gx_soc_id {
- const char *name;
- unsigned int id;
-} soc_ids[] = {
- { "GXBB", 0x1f },
- { "GXTVBB", 0x20 },
- { "GXL", 0x21 },
- { "GXM", 0x22 },
- { "TXL", 0x23 },
- { "TXLX", 0x24 },
- { "AXG", 0x25 },
- { "GXLX", 0x26 },
- { "TXHD", 0x27 },
- { "G12A", 0x28 },
- { "G12B", 0x29 },
- { "SM1", 0x2b },
- { "A1", 0x2c },
-};
-
-static const struct meson_gx_package_id {
- const char *name;
- unsigned int major_id;
- unsigned int pack_id;
- unsigned int pack_mask;
-} soc_packages[] = {
- { "S905", 0x1f, 0, 0x20 }, /* pack_id != 0x20 */
- { "S905H", 0x1f, 0x3, 0xf }, /* pack_id & 0xf == 0x3 */
- { "S905M", 0x1f, 0x20, 0xf0 }, /* pack_id == 0x20 */
- { "S905D", 0x21, 0, 0xf0 },
- { "S905X", 0x21, 0x80, 0xf0 },
- { "S905W", 0x21, 0xa0, 0xf0 },
- { "S905L", 0x21, 0xc0, 0xf0 },
- { "S905M2", 0x21, 0xe0, 0xf0 },
- { "S805X", 0x21, 0x30, 0xf0 },
- { "S805Y", 0x21, 0xb0, 0xf0 },
- { "S912", 0x22, 0, 0x0 }, /* Only S912 is known for GXM */
- { "962X", 0x24, 0x10, 0xf0 },
- { "962E", 0x24, 0x20, 0xf0 },
- { "A113X", 0x25, 0x37, 0xff },
- { "A113D", 0x25, 0x22, 0xff },
- { "S905D2", 0x28, 0x10, 0xf0 },
- { "S905Y2", 0x28, 0x30, 0xf0 },
- { "S905X2", 0x28, 0x40, 0xf0 },
- { "A311D", 0x29, 0x10, 0xf0 },
- { "S922X", 0x29, 0x40, 0xf0 },
- { "S905D3", 0x2b, 0x4, 0xf5 },
- { "S905X3", 0x2b, 0x5, 0xf5 },
- { "S905X3", 0x2b, 0x10, 0x3f },
- { "S905D3", 0x2b, 0x30, 0x3f },
- { "A113L", 0x2c, 0x0, 0xf8 },
-};
-
-static inline unsigned int socinfo_to_major(u32 socinfo)
-{
- return FIELD_GET(SOCINFO_MAJOR, socinfo);
-}
-
-static inline unsigned int socinfo_to_minor(u32 socinfo)
-{
- return FIELD_GET(SOCINFO_MINOR, socinfo);
-}
-
-static inline unsigned int socinfo_to_pack(u32 socinfo)
-{
- return FIELD_GET(SOCINFO_PACK, socinfo);
-}
-
-static inline unsigned int socinfo_to_misc(u32 socinfo)
-{
- return FIELD_GET(SOCINFO_MISC, socinfo);
-}
-
-static const char *socinfo_to_package_id(u32 socinfo)
-{
- unsigned int pack = socinfo_to_pack(socinfo);
- unsigned int major = socinfo_to_major(socinfo);
- int i;
-
- for (i = 0 ; i < ARRAY_SIZE(soc_packages) ; ++i) {
- if (soc_packages[i].major_id == major &&
- soc_packages[i].pack_id ==
- (pack & soc_packages[i].pack_mask))
- return soc_packages[i].name;
- }
-
- return "Unknown";
-}
-
-static const char *socinfo_to_soc_id(u32 socinfo)
-{
- unsigned int id = socinfo_to_major(socinfo);
- int i;
-
- for (i = 0 ; i < ARRAY_SIZE(soc_ids) ; ++i) {
- if (soc_ids[i].id == id)
- return soc_ids[i].name;
- }
-
- return "Unknown";
-}
+#include "meson-gx-socinfo-internal.h"
static int __init meson_gx_socinfo_init(void)
{
@@ -131,7 +23,7 @@ static int __init meson_gx_socinfo_init(void)
struct soc_device *soc_dev;
struct device_node *np;
struct regmap *regmap;
- unsigned int socinfo;
+ union meson_cpu_id socinfo;
struct device *dev;
int ret;
@@ -160,11 +52,11 @@ static int __init meson_gx_socinfo_init(void)
return -ENODEV;
}
- ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &socinfo);
+ ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &socinfo.raw);
if (ret < 0)
return ret;
- if (!socinfo) {
+ if (!socinfo.raw) {
pr_err("%s: invalid chipid value\n", __func__);
return -EINVAL;
}
@@ -175,13 +67,13 @@ static int __init meson_gx_socinfo_init(void)
soc_dev_attr->family = "Amlogic Meson";
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%x:%x - %x:%x",
- socinfo_to_major(socinfo),
- socinfo_to_minor(socinfo),
- socinfo_to_pack(socinfo),
- socinfo_to_misc(socinfo));
+ socinfo.v1.major_id,
+ socinfo.v1.chip_rev,
+ socinfo.v1.pack_id,
+ (socinfo.v1.reserved<<4) + socinfo.v1.layout_ver);
soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%s (%s)",
- socinfo_to_soc_id(socinfo),
- socinfo_to_package_id(socinfo));
+ socinfo_v1_to_soc_id(socinfo),
+ socinfo_v1_to_package_id(socinfo));
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
@@ -194,10 +86,10 @@ static int __init meson_gx_socinfo_init(void)
dev_info(dev, "Amlogic Meson %s Revision %x:%x (%x:%x) Detected\n",
soc_dev_attr->soc_id,
- socinfo_to_major(socinfo),
- socinfo_to_minor(socinfo),
- socinfo_to_pack(socinfo),
- socinfo_to_misc(socinfo));
+ socinfo.v1.major_id,
+ socinfo.v1.chip_rev,
+ socinfo.v1.pack_id,
+ (socinfo.v1.reserved<<4) + socinfo.v1.layout_ver);
return 0;
}
--
2.43.2
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
^ permalink raw reply [flat|nested] 7+ messages in thread* [PATCH v2 2/3] soc: amlogic: meson-gx-socinfo-sm: Add Amlogic secure-monitor SoC Information driver
2024-02-21 14:36 [PATCH v2 0/3] soc: amlogic: add new meson-gx-socinfo-sm driver Viacheslav Bocharov
2024-02-21 14:36 ` [PATCH v2 1/3] soc: amlogic: meson-gx-socinfo: move common code to header file Viacheslav Bocharov
@ 2024-02-21 14:36 ` Viacheslav Bocharov
2024-02-22 5:35 ` kernel test robot
2024-02-22 7:27 ` kernel test robot
2024-02-21 14:36 ` [PATCH v2 3/3] soc: amlogic: meson-gx-socinfo: add new definition for Amlogic A113X package Viacheslav Bocharov
2 siblings, 2 replies; 7+ messages in thread
From: Viacheslav Bocharov @ 2024-02-21 14:36 UTC (permalink / raw)
To: Neil Armstrong, Kevin Hilman, Jerome Brunet, Martin Blumenstingl,
linux-kernel, linux-arm-kernel, linux-amlogic
Amlogic SoCs have a SoC information secure-monitor call for SoC type,
package type, revision information and chipid.
This patchs adds support for secure-monitor call decoding and exposing
with the SoC bus infrastructure in addition to the previous SoC
Information driver.
Signed-off-by: Viacheslav Bocharov <adeep@lexina.in>
---
drivers/soc/amlogic/Kconfig | 10 ++
drivers/soc/amlogic/Makefile | 1 +
drivers/soc/amlogic/meson-gx-socinfo-sm.c | 192 ++++++++++++++++++++++
3 files changed, 203 insertions(+)
create mode 100644 drivers/soc/amlogic/meson-gx-socinfo-sm.c
diff --git a/drivers/soc/amlogic/Kconfig b/drivers/soc/amlogic/Kconfig
index d08e398bdad4..edb724e67968 100644
--- a/drivers/soc/amlogic/Kconfig
+++ b/drivers/soc/amlogic/Kconfig
@@ -26,6 +26,16 @@ config MESON_GX_SOCINFO
Say yes to support decoding of Amlogic Meson GX SoC family
information about the type, package and version.
+config MESON_GX_SOCINFO_SM
+ bool "Amlogic Meson GX SoC Information driver via Secure Monitor"
+ depends on (ARM64 && ARCH_MESON && MESON_GX_SOCINFO && MESON_SM) || COMPILE_TEST
+ default MESON_GX_SOCINFO && MESON_SM
+ select SOC_BUS
+ help
+ Say yes to support decoding of Amlogic Meson GX SoC family
+ information about the type, package and version via secure
+ monitor call.
+
config MESON_MX_SOCINFO
bool "Amlogic Meson MX SoC Information driver"
depends on (ARM && ARCH_MESON) || COMPILE_TEST
diff --git a/drivers/soc/amlogic/Makefile b/drivers/soc/amlogic/Makefile
index c25f835e6a26..45d9d6f5904c 100644
--- a/drivers/soc/amlogic/Makefile
+++ b/drivers/soc/amlogic/Makefile
@@ -2,4 +2,5 @@
obj-$(CONFIG_MESON_CANVAS) += meson-canvas.o
obj-$(CONFIG_MESON_CLK_MEASURE) += meson-clk-measure.o
obj-$(CONFIG_MESON_GX_SOCINFO) += meson-gx-socinfo.o
+obj-$(CONFIG_MESON_GX_SOCINFO_SM) += meson-gx-socinfo-sm.o
obj-$(CONFIG_MESON_MX_SOCINFO) += meson-mx-socinfo.o
diff --git a/drivers/soc/amlogic/meson-gx-socinfo-sm.c b/drivers/soc/amlogic/meson-gx-socinfo-sm.c
new file mode 100644
index 000000000000..e30e1d2feb61
--- /dev/null
+++ b/drivers/soc/amlogic/meson-gx-socinfo-sm.c
@@ -0,0 +1,192 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2017 BayLibre, SAS
+ * Copyright (c) 2024 JetHome
+ * Author: Neil Armstrong <neil.armstrong@linaro.org>
+ * Author: Viacheslav Bocharov <adeep@lexina.in>
+ *
+ */
+
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+
+#include <linux/firmware/meson/meson_sm.h>
+
+#include "meson-gx-socinfo-internal.h"
+
+static char *socinfo_get_chipid(struct device *dev, struct meson_sm_firmware *fw,
+ union meson_cpu_id *socinfo)
+{
+ char *buf;
+ struct meson_sm_chip_id *id_buf;
+ int ret;
+
+ id_buf = devm_kzalloc(dev, sizeof(struct meson_sm_chip_id)+1, GFP_KERNEL);
+ if (!id_buf)
+ return NULL;
+
+ ret = meson_sm_call_read(fw, id_buf, sizeof(struct meson_sm_chip_id), SM_GET_CHIP_ID,
+ 2, 0, 0, 0, 0);
+ if (ret < 0) {
+ kfree(id_buf);
+ return NULL;
+ }
+ dev_info(dev, "got sm version call %i\n", id_buf->version);
+
+ if (id_buf->version != 2) {
+
+ u8 tmp;
+ /**
+ * Legacy 12-byte chip ID read out, transform data
+ * to expected order format
+ */
+ memmove((void *)&id_buf->serial, (void *)&id_buf->cpu_id, 12);
+ for (int i = 0; i < 6; i++) {
+ tmp = id_buf->serial[i];
+ id_buf->serial[i] = id_buf->serial[11 - i];
+ id_buf->serial[11 - i] = tmp;
+ }
+ id_buf->cpu_id.v2.major_id = socinfo->v1.major_id;
+ id_buf->cpu_id.v2.pack_id = socinfo->v1.pack_id;
+ id_buf->cpu_id.v2.chip_rev = socinfo->v1.chip_rev;
+ id_buf->cpu_id.v2.reserved = socinfo->v1.reserved;
+ id_buf->cpu_id.v2.layout_ver = socinfo->v1.layout_ver;
+ } else {
+ /**
+ * rewrite socinfo from regmap with value from secure monitor call
+ */
+ socinfo->v1.major_id = id_buf->cpu_id.v2.major_id;
+ socinfo->v1.pack_id = id_buf->cpu_id.v2.pack_id;
+ socinfo->v1.chip_rev = id_buf->cpu_id.v2.chip_rev;
+ socinfo->v1.reserved = id_buf->cpu_id.v2.reserved;
+ socinfo->v1.layout_ver = id_buf->cpu_id.v2.layout_ver;
+ }
+
+ buf = kasprintf(GFP_KERNEL, "%4phN%12phN", &(id_buf->cpu_id), &(id_buf->serial));
+
+ kfree(id_buf);
+
+ return buf;
+}
+
+static int meson_gx_socinfo_sm_probe(struct platform_device *pdev)
+{
+ struct soc_device_attribute *soc_dev_attr;
+ struct soc_device *soc_dev;
+ struct device_node *sm_np;
+ struct meson_sm_firmware *fw;
+ struct regmap *regmap;
+ union meson_cpu_id socinfo;
+ struct device *dev;
+ int ret;
+
+ /* check if chip-id is available */
+ if (!of_property_read_bool(pdev->dev.of_node, "amlogic,has-chip-id"))
+ return -ENODEV;
+
+ /* node should be a syscon */
+ regmap = syscon_node_to_regmap(pdev->dev.of_node);
+ if (IS_ERR(regmap)) {
+ dev_err(&pdev->dev, "failed to get regmap\n");
+ return -ENODEV;
+ }
+
+ sm_np = of_parse_phandle(pdev->dev.of_node, "secure-monitor", 0);
+ if (!sm_np) {
+ dev_err(&pdev->dev, "no secure-monitor node found\n");
+ return -ENODEV;
+ }
+
+ fw = meson_sm_get(sm_np);
+ of_node_put(sm_np);
+ if (!fw) {
+ dev_info(&pdev->dev, "secure-monitor device not ready, probe later\n");
+ return -EPROBE_DEFER;
+ }
+
+ ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &socinfo.raw);
+ if (ret < 0)
+ return ret;
+
+ if (!socinfo.raw) {
+ dev_err(&pdev->dev, "invalid regmap chipid value\n");
+ return -EINVAL;
+ }
+
+ soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr),
+ GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENOMEM;
+
+ soc_dev_attr->serial_number = socinfo_get_chipid(&pdev->dev, fw, &socinfo);
+
+ soc_dev_attr->family = "Amlogic Meson";
+ soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%x:%x - %x:%x",
+ socinfo.v1.major_id,
+ socinfo.v1.chip_rev,
+ socinfo.v1.pack_id,
+ (socinfo.v1.reserved<<4) + socinfo.v1.layout_ver);
+ soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%s (%s)",
+ socinfo_v1_to_soc_id(socinfo),
+ socinfo_v1_to_package_id(socinfo));
+
+ soc_dev = soc_device_register(soc_dev_attr);
+
+
+ if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr->revision);
+ kfree_const(soc_dev_attr->soc_id);
+ kfree(soc_dev_attr);
+ return PTR_ERR(soc_dev);
+ }
+
+ dev = soc_device_to_device(soc_dev);
+ platform_set_drvdata(pdev, soc_dev);
+
+ dev_info(dev, "Amlogic Meson %s Revision %x:%x (%x:%x) Detected (SM)\n",
+ soc_dev_attr->soc_id,
+ socinfo.v1.major_id,
+ socinfo.v1.chip_rev,
+ socinfo.v1.pack_id,
+ (socinfo.v1.reserved<<4) + socinfo.v1.layout_ver);
+
+ return PTR_ERR_OR_ZERO(dev);
+}
+
+
+static int meson_gx_socinfo_sm_remove(struct platform_device *pdev)
+{
+ struct soc_device *soc_dev = platform_get_drvdata(pdev);
+
+ soc_device_unregister(soc_dev);
+ return 0;
+}
+
+static const struct of_device_id meson_gx_socinfo_match[] = {
+ { .compatible = "amlogic,meson-gx-ao-secure", },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, meson_gx_socinfo_match);
+
+static struct platform_driver meson_gx_socinfo_driver = {
+ .probe = meson_gx_socinfo_sm_probe,
+ .remove = meson_gx_socinfo_sm_remove,
+ .driver = {
+ .name = "meson-gx-socinfo-sm",
+ .of_match_table = meson_gx_socinfo_match,
+ },
+};
+
+
+module_platform_driver(meson_gx_socinfo_driver);
+
+MODULE_AUTHOR("Viacheslav Bocharov <adeep@lexina.in>");
+MODULE_DESCRIPTION("Amlogic Meson GX SOC SM driver");
+MODULE_LICENSE("GPL");
--
2.43.2
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