ASoC: stm32: add h7 support for sai

[linux.git] / Documentation / devicetree / bindings / sound / st,stm32-sai.txt

diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt
index c59a3d779e067b9a56feba52962498dfb2e241fc..f1c5ae59e7c99f8f6117428f4c3de33aa5eb9a16 100644 (file)
--- a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt
+++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt
@@ -6,7 +6,7 @@ The SAI contains two independent audio sub-blocks. Each sub-block has
 its own clock generator and I/O lines controller.
 
 Required properties:
-  - compatible: Should be "st,stm32f4-sai"
+  - compatible: Should be "st,stm32f4-sai" or "st,stm32h7-sai"
   - reg: Base address and size of SAI common register set.
   - clocks: Must contain phandle and clock specifier pairs for each entry
        in clock-names.
@@ -36,6 +36,10 @@ SAI subnodes required properties:
   - pinctrl-names: should contain only value "default"
   - pinctrl-0: see Documentation/devicetree/bindings/pinctrl/pinctrl-stm32.txt
 
+The device node should contain one 'port' child node with one child 'endpoint'
+node, according to the bindings defined in Documentation/devicetree/bindings/
+graph.txt.
+
 Example:
 sound_card {
        compatible = "audio-graph-card";
@@ -43,38 +47,29 @@ sound_card {
 };
 
 sai1: sai1@40015800 {
-       compatible = "st,stm32f4-sai";
+       compatible = "st,stm32h7-sai";
        #address-cells = <1>;
        #size-cells = <1>;
-       ranges;
+       ranges = <0 0x40015800 0x400>;
        reg = <0x40015800 0x4>;
-       clocks = <&rcc 1 CLK_SAIQ_PDIV>, <&rcc 1 CLK_I2SQ_PDIV>;
+       clocks = <&rcc PLL1_Q>, <&rcc PLL2_P>;
        clock-names = "x8k", "x11k";
        interrupts = <87>;
 
-       sai1b: audio-controller@40015824 {
-               #sound-dai-cells = <0>;
-               compatible = "st,stm32-sai-sub-b";
-               reg = <0x40015824 0x1C>;
-               clocks = <&rcc 1 CLK_SAI2>;
+       sai1a: audio-controller@40015804 {
+               compatible = "st,stm32-sai-sub-a";
+               reg = <0x4 0x1C>;
+               clocks = <&rcc SAI1_CK>;
                clock-names = "sai_ck";
-               dmas = <&dma2 5 0 0x400 0x0>;
+               dmas = <&dmamux1 1 87 0x400 0x0>;
                dma-names = "tx";
                pinctrl-names = "default";
-               pinctrl-0 = <&pinctrl_sai1b>;
-
-               ports {
-                       #address-cells = <1>;
-                       #size-cells = <0>;
+               pinctrl-0 = <&pinctrl_sai1a>;
 
-                       sai1b_port: port@0 {
-                               reg = <0>;
-                               cpu_endpoint: endpoint {
-                                       remote-endpoint = <&codec_endpoint>;
-                                       audio-graph-card,format = "i2s";
-                                       audio-graph-card,bitclock-master = <&codec_endpoint>;
-                                       audio-graph-card,frame-master = <&codec_endpoint>;
-                               };
+               sai1b_port: port {
+                       cpu_endpoint: endpoint {
+                               remote-endpoint = <&codec_endpoint>;
+                               format = "i2s";
                        };
                };
        };