The PRCM block on the A23 contains a message box like interface to the registers for the analog path controls of the internal codec.
Add a sub-device for it.
Signed-off-by: Chen-Yu Tsai wens@csie.org --- drivers/mfd/sun6i-prcm.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/mfd/sun6i-prcm.c b/drivers/mfd/sun6i-prcm.c index 011fcc555945..4abbf2ede944 100644 --- a/drivers/mfd/sun6i-prcm.c +++ b/drivers/mfd/sun6i-prcm.c @@ -12,6 +12,9 @@ #include <linux/init.h> #include <linux/of.h>
+#define SUN8I_CODEC_ANALOG_BASE 0x1c0 +#define SUN8I_CODEC_ANALOG_END (SUN8I_CODEC_ANALOG_BASE + 0x4 - 1) + struct prcm_data { int nsubdevs; const struct mfd_cell *subdevs; @@ -57,6 +60,14 @@ static const struct resource sun6i_a31_apb0_rstc_res[] = { }, };
+static const struct resource sun8i_codec_analog_res[] = { + { + .start = SUN8I_CODEC_ANALOG_BASE, + .end = SUN8I_CODEC_ANALOG_END, + .flags = IORESOURCE_MEM, + }, +}; + static const struct mfd_cell sun6i_a31_prcm_subdevs[] = { { .name = "sun6i-a31-ar100-clk", @@ -109,6 +120,12 @@ static const struct mfd_cell sun8i_a23_prcm_subdevs[] = { .num_resources = ARRAY_SIZE(sun6i_a31_apb0_rstc_res), .resources = sun6i_a31_apb0_rstc_res, }, + { + .name = "sun8i-codec-analog", + .of_compatible = "allwinner,sun8i-a23-codec-analog", + .num_resources = ARRAY_SIZE(sun8i_codec_analog_res), + .resources = sun8i_codec_analog_res, + }, };
static const struct prcm_data sun6i_a31_prcm_data = {