linux-kernel - [PATCH v1] ACPI: APD: Add AMDI0015 as platform device

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Message-ID: <20240718152324.3449253-1-Shyam-sundar.S-k@amd.com>
Date: Thu, 18 Jul 2024 20:53:24 +0530
From: Shyam Sundar S K <Shyam-sundar.S-k@....com>
To: <rafael@...nel.org>, <lenb@...nel.org>
CC: <linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Shyam
 Sundar S K" <Shyam-sundar.S-k@....com>, Sanket Goswami
	<Sanket.Goswami@....com>
Subject: [PATCH v1] ACPI: APD: Add AMDI0015 as platform device

Add AMDI0015 to the ACPI APD support list to ensure correct clock settings
for the I3C device on the latest AMD platforms.

Signed-off-by: Sanket Goswami <Sanket.Goswami@....com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@....com>
---
 drivers/acpi/acpi_apd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 80f945cbec8a..6c502268879e 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -118,6 +118,11 @@ static const struct apd_device_desc wt_i2c_desc = {
 	.fixed_clk_rate = 150000000,
 };
 
+static const struct apd_device_desc wt_i3c_desc = {
+	.setup = acpi_apd_setup,
+	.fixed_clk_rate = 125000000,
+};
+
 static struct property_entry uart_properties[] = {
 	PROPERTY_ENTRY_U32("reg-io-width", 4),
 	PROPERTY_ENTRY_U32("reg-shift", 2),
@@ -232,6 +237,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
 	{ "AMD0040", APD_ADDR(fch_misc_desc)},
 	{ "AMDI0010", APD_ADDR(wt_i2c_desc) },
 	{ "AMDI0019", APD_ADDR(wt_i2c_desc) },
+	{ "AMDI0015", APD_ADDR(wt_i3c_desc) },
 	{ "AMDI0020", APD_ADDR(cz_uart_desc) },
 	{ "AMDI0022", APD_ADDR(cz_uart_desc) },
 	{ "HYGO0010", APD_ADDR(wt_i2c_desc) },
-- 
2.25.1