dt-bindings: add imx-audmux macro definitions

Import fsl-imx-audmux.h from Linux as of v5.4-rc6. The header is
unchanged since v4.18.

That would make it easier to import DT files that depend on imx-audmux
definitions from the kernel tree.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Fabio Estevam <festevam@gmail.com>

diff --git a/include/dt-bindings/sound/fsl-imx-audmux.h b/include/dt-bindings/sound/fsl-imx-audmux.h
new file mode 100644 (file)
index 0000000..15f138b
--- /dev/null
+++ b/include/dt-bindings/sound/fsl-imx-audmux.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __DT_FSL_IMX_AUDMUX_H
+#define __DT_FSL_IMX_AUDMUX_H
+
+#define MX27_AUDMUX_HPCR1_SSI0         0
+#define MX27_AUDMUX_HPCR2_SSI1         1
+#define MX27_AUDMUX_HPCR3_SSI_PINS_4   2
+#define MX27_AUDMUX_PPCR1_SSI_PINS_1   3
+#define MX27_AUDMUX_PPCR2_SSI_PINS_2   4
+#define MX27_AUDMUX_PPCR3_SSI_PINS_3   5
+
+#define MX31_AUDMUX_PORT1_SSI0         0
+#define MX31_AUDMUX_PORT2_SSI1         1
+#define MX31_AUDMUX_PORT3_SSI_PINS_3   2
+#define MX31_AUDMUX_PORT4_SSI_PINS_4   3
+#define MX31_AUDMUX_PORT5_SSI_PINS_5   4
+#define MX31_AUDMUX_PORT6_SSI_PINS_6   5
+#define MX31_AUDMUX_PORT7_SSI_PINS_7   6
+
+#define MX51_AUDMUX_PORT1_SSI0         0
+#define MX51_AUDMUX_PORT2_SSI1         1
+#define MX51_AUDMUX_PORT3              2
+#define MX51_AUDMUX_PORT4              3
+#define MX51_AUDMUX_PORT5              4
+#define MX51_AUDMUX_PORT6              5
+#define MX51_AUDMUX_PORT7              6
+
+/*
+ * TFCSEL/RFCSEL (i.MX27) or TFSEL/TCSEL/RFSEL/RCSEL (i.MX31/51/53/6Q)
+ * can be sourced from Rx/Tx.
+ */
+#define IMX_AUDMUX_RXFS                        0x8
+#define IMX_AUDMUX_RXCLK               0x8
+
+/* Register definitions for the i.MX21/27 Digital Audio Multiplexer */
+#define IMX_AUDMUX_V1_PCR_INMMASK(x)   ((x) & 0xff)
+#define IMX_AUDMUX_V1_PCR_INMEN                (1 << 8)
+#define IMX_AUDMUX_V1_PCR_TXRXEN       (1 << 10)
+#define IMX_AUDMUX_V1_PCR_SYN          (1 << 12)
+#define IMX_AUDMUX_V1_PCR_RXDSEL(x)    (((x) & 0x7) << 13)
+#define IMX_AUDMUX_V1_PCR_RFCSEL(x)    (((x) & 0xf) << 20)
+#define IMX_AUDMUX_V1_PCR_RCLKDIR      (1 << 24)
+#define IMX_AUDMUX_V1_PCR_RFSDIR       (1 << 25)
+#define IMX_AUDMUX_V1_PCR_TFCSEL(x)    (((x) & 0xf) << 26)
+#define IMX_AUDMUX_V1_PCR_TCLKDIR      (1 << 30)
+#define IMX_AUDMUX_V1_PCR_TFSDIR       (1 << 31)
+
+/* Register definitions for the i.MX25/31/35/51 Digital Audio Multiplexer */
+#define IMX_AUDMUX_V2_PTCR_TFSDIR      (1 << 31)
+#define IMX_AUDMUX_V2_PTCR_TFSEL(x)    (((x) & 0xf) << 27)
+#define IMX_AUDMUX_V2_PTCR_TCLKDIR     (1 << 26)
+#define IMX_AUDMUX_V2_PTCR_TCSEL(x)    (((x) & 0xf) << 22)
+#define IMX_AUDMUX_V2_PTCR_RFSDIR      (1 << 21)
+#define IMX_AUDMUX_V2_PTCR_RFSEL(x)    (((x) & 0xf) << 17)
+#define IMX_AUDMUX_V2_PTCR_RCLKDIR     (1 << 16)
+#define IMX_AUDMUX_V2_PTCR_RCSEL(x)    (((x) & 0xf) << 12)
+#define IMX_AUDMUX_V2_PTCR_SYN         (1 << 11)
+
+#define IMX_AUDMUX_V2_PDCR_RXDSEL(x)   (((x) & 0x7) << 13)
+#define IMX_AUDMUX_V2_PDCR_TXRXEN      (1 << 12)
+#define IMX_AUDMUX_V2_PDCR_MODE(x)     (((x) & 0x3) << 8)
+#define IMX_AUDMUX_V2_PDCR_INMMASK(x)  ((x) & 0xff)
+
+#endif /* __DT_FSL_IMX_AUDMUX_H */