From 376d5d86cb208c43887feaa1823901aa34ab58c4 Mon Sep 17 00:00:00 2001 From: Olivier Moysan Date: Thu, 10 Oct 2019 15:02:47 +0200 Subject: [PATCH] ARM: dts: stm32: add hdmi audio support to stm32mp157a-dk1 board Add HDMI audio support through Sil9022 HDMI transceiver on stm32mp157a-dk1 board. Signed-off-by: Olivier Moysan Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/stm32mp157a-dk1.dts | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts index 3a57be31..1cffe0a 100644 --- a/arch/arm/boot/dts/stm32mp157a-dk1.dts +++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts @@ -93,7 +93,7 @@ "Playback" , "MCLK", "Capture" , "MCLK", "MICL" , "Mic Bias"; - dais = <&sai2a_port &sai2b_port>; + dais = <&sai2a_port &sai2b_port &i2s2_port>; status = "okay"; }; }; @@ -174,6 +174,7 @@ reset-gpios = <&gpioa 10 GPIO_ACTIVE_LOW>; interrupts = <1 IRQ_TYPE_EDGE_FALLING>; interrupt-parent = <&gpiog>; + #sound-dai-cells = <0>; status = "okay"; ports { @@ -186,6 +187,13 @@ remote-endpoint = <<dc_ep0_out>; }; }; + + port@3 { + reg = <3>; + sii9022_tx_endpoint: endpoint { + remote-endpoint = <&i2s2_endpoint>; + }; + }; }; }; @@ -371,6 +379,23 @@ }; }; +&i2s2 { + clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>; + clock-names = "pclk", "i2sclk", "x8k", "x11k"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2s2_pins_a>; + pinctrl-1 = <&i2s2_pins_sleep_a>; + status = "okay"; + + i2s2_port: port { + i2s2_endpoint: endpoint { + remote-endpoint = <&sii9022_tx_endpoint>; + format = "i2s"; + mclk-fs = <256>; + }; + }; +}; + &ipcc { status = "okay"; }; -- 2.7.4