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mfd: sun6i-prcm: Add codec analog controls sub-device for Allwinner A23

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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>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Chen-Yu Tsai 2016-11-25 20:34:35 +08:00 committed by Lee Jones
parent 3dfaff274d
commit ea1628e856
1 changed files with 13 additions and 0 deletions
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13
drivers/mfd/sun6i-prcm.c
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@ -12,6 +12,9 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/of.h> #include <linux/of.h>
#define SUN8I_CODEC_ANALOG_BASE 0x1c0
#define SUN8I_CODEC_ANALOG_SIZE 0x4
struct prcm_data { struct prcm_data {
int nsubdevs; int nsubdevs;
const struct mfd_cell *subdevs; const struct mfd_cell *subdevs;
@ -57,6 +60,10 @@ static const struct resource sun6i_a31_apb0_rstc_res[] = {
}, },
}; };
static const struct resource sun8i_codec_analog_res[] = {
DEFINE_RES_MEM(SUN8I_CODEC_ANALOG_BASE, SUN8I_CODEC_ANALOG_SIZE),
};
static const struct mfd_cell sun6i_a31_prcm_subdevs[] = { static const struct mfd_cell sun6i_a31_prcm_subdevs[] = {
{ {
.name = "sun6i-a31-ar100-clk", .name = "sun6i-a31-ar100-clk",
@ -109,6 +116,12 @@ static const struct mfd_cell sun8i_a23_prcm_subdevs[] = {
.num_resources = ARRAY_SIZE(sun6i_a31_apb0_rstc_res), .num_resources = ARRAY_SIZE(sun6i_a31_apb0_rstc_res),
.resources = 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 = { static const struct prcm_data sun6i_a31_prcm_data = {