[PATCH 3/3] platform/x86: serial-multi-instantiate: Add support for CS35L54 and CS35L57

From: Richard Fitzgerald
Date: Fri Mar 08 2024 - 09:00:16 EST


From: Simon Trimmer <simont@xxxxxxxxxxxxxxxxxxxxx>

Add the ACPI HIDs and smi_node descriptions for the CS35L54 and CS35L57
Boosted Smart Amplifiers.

Signed-off-by: Simon Trimmer <simont@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx>
---
This patch doesn't have any build dependencies on the ASOC/HDA code so
can be take separately.
---
drivers/acpi/scan.c | 2 ++
.../platform/x86/serial-multi-instantiate.c | 28 +++++++++++++++++++
2 files changed, 30 insertions(+)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index e6ed1ba91e5c..091c501bed1f 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1725,7 +1725,9 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
{"BSG1160", },
{"BSG2150", },
{"CSC3551", },
+ {"CSC3554", },
{"CSC3556", },
+ {"CSC3557", },
{"INT33FE", },
{"INT3515", },
/* Non-conforming _HID for Cirrus Logic already released */
diff --git a/drivers/platform/x86/serial-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c
index 8158e3cf5d6d..97b9c6392230 100644
--- a/drivers/platform/x86/serial-multi-instantiate.c
+++ b/drivers/platform/x86/serial-multi-instantiate.c
@@ -329,6 +329,19 @@ static const struct smi_node cs35l41_hda = {
.bus_type = SMI_AUTO_DETECT,
};

+static const struct smi_node cs35l54_hda = {
+ .instances = {
+ { "cs35l54-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l54-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l54-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l54-hda", IRQ_RESOURCE_AUTO, 0 },
+ /* a 5th entry is an alias address, not a real device */
+ { "cs35l54-hda_dummy_dev" },
+ {}
+ },
+ .bus_type = SMI_AUTO_DETECT,
+};
+
static const struct smi_node cs35l56_hda = {
.instances = {
{ "cs35l56-hda", IRQ_RESOURCE_AUTO, 0 },
@@ -342,6 +355,19 @@ static const struct smi_node cs35l56_hda = {
.bus_type = SMI_AUTO_DETECT,
};

+static const struct smi_node cs35l57_hda = {
+ .instances = {
+ { "cs35l57-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l57-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l57-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l57-hda", IRQ_RESOURCE_AUTO, 0 },
+ /* a 5th entry is an alias address, not a real device */
+ { "cs35l57-hda_dummy_dev" },
+ {}
+ },
+ .bus_type = SMI_AUTO_DETECT,
+};
+
/*
* Note new device-ids must also be added to ignore_serial_bus_ids in
* drivers/acpi/scan.c: acpi_device_enumeration_by_parent().
@@ -350,7 +376,9 @@ static const struct acpi_device_id smi_acpi_ids[] = {
{ "BSG1160", (unsigned long)&bsg1160_data },
{ "BSG2150", (unsigned long)&bsg2150_data },
{ "CSC3551", (unsigned long)&cs35l41_hda },
+ { "CSC3554", (unsigned long)&cs35l54_hda },
{ "CSC3556", (unsigned long)&cs35l56_hda },
+ { "CSC3557", (unsigned long)&cs35l57_hda },
{ "INT3515", (unsigned long)&int3515_data },
/* Non-conforming _HID for Cirrus Logic already released */
{ "CLSA0100", (unsigned long)&cs35l41_hda },
--
2.30.2