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

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Message-ID: <20240308135900.603192-4-rf@opensource.cirrus.com>
Date: Fri, 8 Mar 2024 13:59:00 +0000
From: Richard Fitzgerald <rf@...nsource.cirrus.com>
To: <broonie@...nel.org>, <tiwai@...e.com>, <hdegoede@...hat.com>,
        <lenb@...nel.org>, <rafael@...nel.org>
CC: <linux-sound@...r.kernel.org>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>, <patches@...nsource.cirrus.com>,
        <platform-driver-x86@...r.kernel.org>, <linux-acpi@...r.kernel.org>,
        "Simon
 Trimmer" <simont@...nsource.cirrus.com>,
        Richard Fitzgerald
	<rf@...nsource.cirrus.com>
Subject: [PATCH 3/3] platform/x86: serial-multi-instantiate: Add support for CS35L54 and CS35L57

From: Simon Trimmer <simont@...nsource.cirrus.com>

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

Signed-off-by: Simon Trimmer <simont@...nsource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@...nsource.cirrus.com>
---
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