From: Hanjun Guo <guohanjun@huawei.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>,
Jarkko Nikula <jarkko.nikula@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: <linux-i2c@vger.kernel.org>, <linux-acpi@vger.kernel.org>,
<linuxarm@huawei.com>, Sheng Feng <fengsheng5@huawei.com>,
Hanjun Guo <guohanjun@huawei.com>
Subject: [PATCH v2 1/2] ACPI / APD: Add clock frequency for Hisilicon Hip08-Lite I2C controller
Date: Mon, 3 Feb 2020 09:36:06 +0800 [thread overview]
Message-ID: <1580693767-5185-1-git-send-email-guohanjun@huawei.com> (raw)
I2C clock frequency of Designware ip for Hisilicon Hip08 Lite
is 125M, use a new ACPI HID to enable it.
Tested-by: Sheng Feng <fengsheng5@huawei.com>
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
---
v2:
- Reverse the order of the two patches suggested by Andy;
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 71511ae..ba2612e 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -161,6 +161,11 @@ static int st_misc_setup(struct apd_private_data *pdata)
.fixed_clk_rate = 250000000,
};
+static const struct apd_device_desc hip08_lite_i2c_desc = {
+ .setup = acpi_apd_setup,
+ .fixed_clk_rate = 125000000,
+};
+
static const struct apd_device_desc thunderx2_i2c_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 125000000,
@@ -243,6 +248,7 @@ static int acpi_apd_create_device(struct acpi_device *adev,
{ "CAV9007", APD_ADDR(thunderx2_i2c_desc) },
{ "HISI02A1", APD_ADDR(hip07_i2c_desc) },
{ "HISI02A2", APD_ADDR(hip08_i2c_desc) },
+ { "HISI02A3", APD_ADDR(hip08_lite_i2c_desc) },
{ "HISI0173", APD_ADDR(hip08_spi_desc) },
{ "NXP0001", APD_ADDR(nxp_i2c_desc) },
#endif
--
1.7.12.4
next reply other threads:[~2020-02-03 1:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-03 1:36 Hanjun Guo [this message]
2020-02-03 1:36 ` [PATCH v2 2/2] i2c: designware: Add ACPI HID for Hisilicon Hip08-Lite I2C controller Hanjun Guo
2020-02-03 9:01 ` Jarkko Nikula
2020-02-03 9:23 ` Andy Shevchenko
2020-02-03 9:00 ` [PATCH v2 1/2] ACPI / APD: Add clock frequency " Jarkko Nikula
2020-02-03 11:04 ` Rafael J. Wysocki
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