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authorSugar Zhang <sugar.zhang@rock-chips.com>2016-04-11 17:26:03 +0800
committerMark Brown <broonie@kernel.org>2016-05-30 16:19:41 +0100
commit170abcaae8bec0a53f2f7708a83119ec42fb09e2 (patch)
tree81e39509d076707f6ac8c433686088003b07d46c /sound/soc/rockchip/rockchip_i2s.h
parent1a695a905c18548062509178b98bc91e67510864 (diff)
ASoC: rockchip: i2s: configure the sdio pins' iomux mode
There are 3 i2s sdio pins, which iomux mode is as follows: - sdi3_sdo1 - sdi2_sdo2 - sdi1_sdo3 we need to configure these pins' iomux mode via the GRF register when use multi channel playback/capture. Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/rockchip/rockchip_i2s.h')
-rw-r--r--sound/soc/rockchip/rockchip_i2s.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.h b/sound/soc/rockchip/rockchip_i2s.h
index dc6e2c74d088..8e239d301bc7 100644
--- a/sound/soc/rockchip/rockchip_i2s.h
+++ b/sound/soc/rockchip/rockchip_i2s.h
@@ -236,4 +236,11 @@ enum {
#define I2S_TXDR (0x0024)
#define I2S_RXDR (0x0028)
+/* io direction cfg register */
+#define I2S_IO_DIRECTION_MASK (7)
+#define I2S_IO_8CH_OUT_2CH_IN (0)
+#define I2S_IO_6CH_OUT_4CH_IN (4)
+#define I2S_IO_4CH_OUT_6CH_IN (6)
+#define I2S_IO_2CH_OUT_8CH_IN (7)
+
#endif /* _ROCKCHIP_IIS_H */