lkml.org 
[lkml]   [2020]   [Sep]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] ASoC: dt-bindings: fsl_xcvr: Add document for XCVR
Date
From: Viorel Suman <viorel.suman@nxp.com>

XCVR (Audio Transceiver) is a new IP module found on i.MX8MP.

Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
---
.../devicetree/bindings/sound/fsl,xcvr.yaml | 104 +++++++++++++++++++++
1 file changed, 104 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/fsl,xcvr.yaml

diff --git a/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml
new file mode 100644
index 00000000..d4bb792
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml
@@ -0,0 +1,104 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/fsl,xcvr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP Audio Transceiver (XCVR) Controller
+
+maintainers:
+ - Viorel Suman <viorel.suman@nxp.com>
+
+properties:
+ $nodename:
+ pattern: "^xcvr@.*"
+
+ compatible:
+ const: fsl,imx8mp-xcvr
+
+ reg:
+ items:
+ - description: 20K RAM for code and data
+ - description: registers space
+ - description: RX FIFO address
+ - description: TX FIFO address
+
+ reg-names:
+ items:
+ - const: ram
+ - const: regs
+ - const: rxfifo
+ - const: txfifo
+
+ interrupts:
+ maxItems: 3
+
+ clocks:
+ items:
+ - description: Peripheral clock
+ - description: PHY clock
+ - description: SPBA clock
+ - description: PLL clock
+
+ clock-names:
+ items:
+ - const: ipg
+ - const: phy
+ - const: spba
+ - const: pll_ipg
+
+ dmas:
+ maxItems: 2
+
+ dma-names:
+ items:
+ - const: rx
+ - const: tx
+
+ firmware-name:
+ $ref: /schemas/types.yaml#/definitions/string
+ const: imx/xcvr/xcvr-imx8mp.bin
+ description: |
+ Should contain the name of the default firmware image
+ file located on the firmware search path
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - clocks
+ - clock-names
+ - dmas
+ - dma-names
+ - firmware-name
+ - resets
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mp-clock.h>
+ #include <dt-bindings/reset/imx8mp-reset.h>
+
+ xcvr: xcvr@30cc0000 {
+ compatible = "fsl,imx8mp-xcvr";
+ reg = <0x30cc0000 0x800>,
+ <0x30cc0800 0x400>,
+ <0x30cc0c00 0x080>,
+ <0x30cc0e00 0x080>;
+ reg-names = "ram", "regs", "rxfifo", "txfifo";
+ interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, /* XCVR IRQ 0 */
+ <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>, /* XCVR IRQ 1 */
+ <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>; /* XCVR PHY - SPDIF wakeup IRQ */
+ clocks = <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_IPG>,
+ <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_PHY>,
+ <&audiomix_clk IMX8MP_CLK_AUDIOMIX_SPBA2_ROOT>,
+ <&audiomix_clk IMX8MP_CLK_AUDIOMIX_AUDPLL_ROOT>;
+ clock-names = "ipg", "phy", "spba", "pll_ipg";
+ dmas = <&sdma2 30 2 0>, <&sdma2 31 2 0>;
+ dma-names = "rx", "tx";
+ firmware-name = "imx/xcvr/xcvr-imx8mp.bin";
+ resets = <&audiomix_reset 0>;
+ };
--
2.7.4
\
 
 \ /
  Last update: 2020-09-16 11:19    [W:0.098 / U:3.456 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site