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

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>

diff --git a/drivers/mfd/sun6i-prcm.c b/drivers/mfd/sun6i-prcm.c
index 011fcc555945fa5685ba0b89a4384b5f9dd06afc..2b658bed47db64f9718925576bb41995e1855c2b 100644 (file)
--- 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_SIZE        0x4
+
 struct prcm_data {
        int nsubdevs;
        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[] = {
        {
                .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),
                .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 = {