[PATCH 1/2] ASoC: q6afe: dt-bindings: add q6afe clock bindings

From: Srinivas Kandagatla
Date: Thu Sep 10 2020 - 17:27:04 EST


q6afe exposes various lpass clocks controls via q6dsp q6afe commands.
This patch adds bindings required for this clock controller.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
.../devicetree/bindings/sound/qcom,q6afe.txt | 23 ++++++
include/dt-bindings/sound/qcom,q6afe.h | 74 ++++++++++++++++++-
2 files changed, 96 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt
index 4916dd6a0896..2d6fb2ea75a0 100644
--- a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt
+++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt
@@ -98,6 +98,24 @@ configuration of each dai. Must contain the following properties.
0 - MSB
1 - LSB

+= AFE CLOCKSS
+"clocks" subnode of the AFE node. It represents q6afe clocks
+"clocks" node should have following properties.
+- compatible:
+ Usage: required
+ Value type: <stringlist>
+ Definition: must be "qcom,q6afe-clocks"
+
+- #clock-cells:
+ Usage: required
+ Value type: <u32>
+ Definition: Must be 2. Clock Id followed by
+ below valid clock coupling attributes.
+ 1 - for no coupled clock
+ 2 - for dividend of the coupled clock
+ 3 - for divisor of the coupled clock
+ 4 - for inverted and no couple clock
+
= EXAMPLE

apr-service@4 {
@@ -175,4 +193,9 @@ apr-service@4 {
qcom,sd-lines = <1>;
};
};
+
+ clocks {
+ compatible = "qcom,q6afe-clocks";
+ #clock-cells = <2>;
+ };
};
diff --git a/include/dt-bindings/sound/qcom,q6afe.h b/include/dt-bindings/sound/qcom,q6afe.h
index 7207ab2b57bf..f64b5d2e6efd 100644
--- a/include/dt-bindings/sound/qcom,q6afe.h
+++ b/include/dt-bindings/sound/qcom,q6afe.h
@@ -130,5 +130,77 @@
#define RX_CODEC_DMA_RX_6 125
#define RX_CODEC_DMA_RX_7 126

-#endif /* __DT_BINDINGS_Q6_AFE_H__ */
+#define LPASS_CLK_ID_PRI_MI2S_IBIT 1
+#define LPASS_CLK_ID_PRI_MI2S_EBIT 2
+#define LPASS_CLK_ID_SEC_MI2S_IBIT 3
+#define LPASS_CLK_ID_SEC_MI2S_EBIT 4
+#define LPASS_CLK_ID_TER_MI2S_IBIT 5
+#define LPASS_CLK_ID_TER_MI2S_EBIT 6
+#define LPASS_CLK_ID_QUAD_MI2S_IBIT 7
+#define LPASS_CLK_ID_QUAD_MI2S_EBIT 8
+#define LPASS_CLK_ID_SPEAKER_I2S_IBIT 9
+#define LPASS_CLK_ID_SPEAKER_I2S_EBIT 10
+#define LPASS_CLK_ID_SPEAKER_I2S_OSR 11
+#define LPASS_CLK_ID_QUI_MI2S_IBIT 12
+#define LPASS_CLK_ID_QUI_MI2S_EBIT 13
+#define LPASS_CLK_ID_SEN_MI2S_IBIT 14
+#define LPASS_CLK_ID_SEN_MI2S_EBIT 15
+#define LPASS_CLK_ID_INT0_MI2S_IBIT 16
+#define LPASS_CLK_ID_INT1_MI2S_IBIT 17
+#define LPASS_CLK_ID_INT2_MI2S_IBIT 18
+#define LPASS_CLK_ID_INT3_MI2S_IBIT 19
+#define LPASS_CLK_ID_INT4_MI2S_IBIT 20
+#define LPASS_CLK_ID_INT5_MI2S_IBIT 21
+#define LPASS_CLK_ID_INT6_MI2S_IBIT 22
+#define LPASS_CLK_ID_QUI_MI2S_OSR 23
+#define LPASS_CLK_ID_PRI_PCM_IBIT 24
+#define LPASS_CLK_ID_PRI_PCM_EBIT 25
+#define LPASS_CLK_ID_SEC_PCM_IBIT 26
+#define LPASS_CLK_ID_SEC_PCM_EBIT 27
+#define LPASS_CLK_ID_TER_PCM_IBIT 28
+#define LPASS_CLK_ID_TER_PCM_EBIT 29
+#define LPASS_CLK_ID_QUAD_PCM_IBIT 30
+#define LPASS_CLK_ID_QUAD_PCM_EBIT 31
+#define LPASS_CLK_ID_QUIN_PCM_IBIT 32
+#define LPASS_CLK_ID_QUIN_PCM_EBIT 33
+#define LPASS_CLK_ID_QUI_PCM_OSR 34
+#define LPASS_CLK_ID_PRI_TDM_IBIT 35
+#define LPASS_CLK_ID_PRI_TDM_EBIT 36
+#define LPASS_CLK_ID_SEC_TDM_IBIT 37
+#define LPASS_CLK_ID_SEC_TDM_EBIT 38
+#define LPASS_CLK_ID_TER_TDM_IBIT 39
+#define LPASS_CLK_ID_TER_TDM_EBIT 40
+#define LPASS_CLK_ID_QUAD_TDM_IBIT 41
+#define LPASS_CLK_ID_QUAD_TDM_EBIT 42
+#define LPASS_CLK_ID_QUIN_TDM_IBIT 43
+#define LPASS_CLK_ID_QUIN_TDM_EBIT 44
+#define LPASS_CLK_ID_QUIN_TDM_OSR 45
+#define LPASS_CLK_ID_MCLK_1 46
+#define LPASS_CLK_ID_MCLK_2 47
+#define LPASS_CLK_ID_MCLK_3 48
+#define LPASS_CLK_ID_MCLK_4 49
+#define LPASS_CLK_ID_INTERNAL_DIGITAL_CODEC_CORE 50
+#define LPASS_CLK_ID_INT_MCLK_0 51
+#define LPASS_CLK_ID_INT_MCLK_1 52
+#define LPASS_CLK_ID_MCLK_5 53
+#define LPASS_CLK_ID_WSA_CORE_MCLK 54
+#define LPASS_CLK_ID_WSA_CORE_NPL_MCLK 55
+#define LPASS_CLK_ID_VA_CORE_MCLK 56
+#define LPASS_CLK_ID_TX_CORE_MCLK 57
+#define LPASS_CLK_ID_TX_CORE_NPL_MCLK 58
+#define LPASS_CLK_ID_RX_CORE_MCLK 59
+#define LPASS_CLK_ID_RX_CORE_NPL_MCLK 60
+#define LPASS_CLK_ID_VA_CORE_2X_MCLK 61
+
+#define LPASS_HW_AVTIMER_VOTE 101
+#define LPASS_HW_MACRO_VOTE 102
+#define LPASS_HW_DCODEC_VOTE 103
+
+#define Q6AFE_MAX_CLK_ID 104

+#define LPASS_CLK_ATTRIBUTE_INVALID 0x0
+#define LPASS_CLK_ATTRIBUTE_COUPLE_NO 0x1
+#define LPASS_CLK_ATTRIBUTE_COUPLE_DIVIDEND 0x2
+#define LPASS_CLK_ATTRIBUTE_COUPLE_DIVISOR 0x3
+
+#endif /* __DT_BINDINGS_Q6_AFE_H__ */
--
2.21.0