linux-kernel - [PATCH] i2c: designware: Add device HID for Hygon I2C controller

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Message-ID: <20200731084845.24459-1-puwen@hygon.cn>
Date:   Fri, 31 Jul 2020 16:48:45 +0800
From:   Pu Wen <puwen@...on.cn>
To:     <rjw@...ysocki.net>, <lenb@...nel.org>,
        <jarkko.nikula@...ux.intel.com>,
        <andriy.shevchenko@...ux.intel.com>,
        <mika.westerberg@...ux.intel.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-acpi@...r.kernel.org>,
        <linux-i2c@...r.kernel.org>, Pu Wen <puwen@...on.cn>
Subject: [PATCH] i2c: designware: Add device HID for Hygon I2C controller

Add device HID HYGO0010 to match the Hygon ACPI Vendor ID (HYGO) that
was registered in http://www.uefi.org/acpi_id_list, and the I2C
controller on Hygon paltform will use the HID.

Signed-off-by: Pu Wen <puwen@...on.cn>
---
 drivers/acpi/acpi_apd.c                     | 1 +
 drivers/i2c/busses/i2c-designware-platdrv.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index ba2612e9a0eb..f24f6d3f1fa5 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -240,6 +240,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
 	{ "AMDI0020", APD_ADDR(cz_uart_desc) },
 	{ "AMD0030", },
 	{ "AMD0040", APD_ADDR(st_misc_desc)},
+	{ "HYGO0010", APD_ADDR(wt_i2c_desc) },
 #endif
 #ifdef CONFIG_ARM64
 	{ "APMC0D0F", APD_ADDR(xgene_i2c_desc) },
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index a71bc58fc03c..0dfeb2d11603 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -55,6 +55,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
 	{ "HISI02A1", 0 },
 	{ "HISI02A2", 0 },
 	{ "HISI02A3", 0 },
+	{ "HYGO0010", ACCESS_INTR_MASK },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, dw_i2c_acpi_match);
-- 
2.23.0