* [PATCH v1] mfd: dln2: Allow to be enumerated via ACPI
@ 2020-03-23 20:02 Andy Shevchenko
2020-03-24 11:56 ` Lee Jones
0 siblings, 1 reply; 2+ messages in thread
From: Andy Shevchenko @ 2020-03-23 20:02 UTC (permalink / raw)
To: Lee Jones, linux-kernel; +Cc: Andy Shevchenko
On some platforms user may want to enumerate DLN2 device, its children,
to be enumerated via ACPI. In order to achieve this, let's distinguish
children by _ADR value.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/mfd/dln2.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 64196b06bfec..3a729b196b1f 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -640,35 +640,56 @@ static int dln2_start_rx_urbs(struct dln2_dev *dln2, gfp_t gfp)
return 0;
}
+enum {
+ DLN2_ACPI_MATCH_GPIO = 0,
+ DLN2_ACPI_MATCH_I2C = 1,
+ DLN2_ACPI_MATCH_SPI = 2,
+};
+
static struct dln2_platform_data dln2_pdata_gpio = {
.handle = DLN2_HANDLE_GPIO,
};
+static struct mfd_cell_acpi_match dln2_acpi_match_gpio = {
+ .adr = DLN2_ACPI_MATCH_GPIO,
+};
+
/* Only one I2C port seems to be supported on current hardware */
static struct dln2_platform_data dln2_pdata_i2c = {
.handle = DLN2_HANDLE_I2C,
.port = 0,
};
+static struct mfd_cell_acpi_match dln2_acpi_match_i2c = {
+ .adr = DLN2_ACPI_MATCH_I2C,
+};
+
/* Only one SPI port supported */
static struct dln2_platform_data dln2_pdata_spi = {
.handle = DLN2_HANDLE_SPI,
.port = 0,
};
+static struct mfd_cell_acpi_match dln2_acpi_match_spi = {
+ .adr = DLN2_ACPI_MATCH_SPI,
+};
+
static const struct mfd_cell dln2_devs[] = {
{
.name = "dln2-gpio",
+ .acpi_match = &dln2_acpi_match_gpio,
.platform_data = &dln2_pdata_gpio,
.pdata_size = sizeof(struct dln2_platform_data),
},
{
.name = "dln2-i2c",
+ .acpi_match = &dln2_acpi_match_i2c,
.platform_data = &dln2_pdata_i2c,
.pdata_size = sizeof(struct dln2_platform_data),
},
{
.name = "dln2-spi",
+ .acpi_match = &dln2_acpi_match_spi,
.platform_data = &dln2_pdata_spi,
.pdata_size = sizeof(struct dln2_platform_data),
},
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v1] mfd: dln2: Allow to be enumerated via ACPI
2020-03-23 20:02 [PATCH v1] mfd: dln2: Allow to be enumerated via ACPI Andy Shevchenko
@ 2020-03-24 11:56 ` Lee Jones
0 siblings, 0 replies; 2+ messages in thread
From: Lee Jones @ 2020-03-24 11:56 UTC (permalink / raw)
To: Andy Shevchenko; +Cc: linux-kernel
On Mon, 23 Mar 2020, Andy Shevchenko wrote:
> On some platforms user may want to enumerate DLN2 device, its children,
> to be enumerated via ACPI. In order to achieve this, let's distinguish
> children by _ADR value.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
> drivers/mfd/dln2.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
Applied, thanks.
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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