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author | Simon Glass <sjg@chromium.org> | 2020-07-07 13:11:48 -0600 |
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committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
commit | 31e1787ec15e4a498e940e9ba24b625ca059a3b2 (patch) | |
tree | 46143d89aa1acaf4b2081384ea0540823cd096ca /drivers/rtc/sandbox_rtc.c | |
parent | 4ebc940b39b6a43de9d1fa74653321cd6fdb4d3a (diff) | |
download | u-boot-31e1787ec15e4a498e940e9ba24b625ca059a3b2.zip u-boot-31e1787ec15e4a498e940e9ba24b625ca059a3b2.tar.gz u-boot-31e1787ec15e4a498e940e9ba24b625ca059a3b2.tar.bz2 |
acpi: Support generation of I2C descriptor
Add a function to write a GPIO descriptor to the generated ACPI code.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/rtc/sandbox_rtc.c')
-rw-r--r-- | drivers/rtc/sandbox_rtc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/rtc/sandbox_rtc.c b/drivers/rtc/sandbox_rtc.c index 77065e4..852770a 100644 --- a/drivers/rtc/sandbox_rtc.c +++ b/drivers/rtc/sandbox_rtc.c @@ -9,6 +9,7 @@ #include <i2c.h> #include <rtc.h> #include <asm/rtc.h> +#include <dm/acpi.h> #define REG_COUNT 0x80 @@ -67,6 +68,17 @@ static int sandbox_rtc_write8(struct udevice *dev, unsigned int reg, int val) return dm_i2c_reg_write(dev, reg, val); } +#if CONFIG_IS_ENABLED(ACPIGEN) +static int sandbox_rtc_get_name(const struct udevice *dev, char *out_name) +{ + return acpi_copy_name(out_name, "RTCC"); +} + +struct acpi_ops sandbox_rtc_acpi_ops = { + .get_name = sandbox_rtc_get_name, +}; +#endif + static const struct rtc_ops sandbox_rtc_ops = { .get = sandbox_rtc_get, .set = sandbox_rtc_set, @@ -85,4 +97,5 @@ U_BOOT_DRIVER(rtc_sandbox) = { .id = UCLASS_RTC, .of_match = sandbox_rtc_ids, .ops = &sandbox_rtc_ops, + ACPI_OPS_PTR(&sandbox_rtc_acpi_ops) }; |