[U-Boot] [PATCH v2 34/34] x86: Add sound support for samus

[Simon Glass]

Enable sound on samus using the broadwell I2S and an RT5677 audio codec.

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v2: None

 arch/x86/dts/chromebook_samus.dts  | 49 +++++++++++++++++++++++++++---
 configs/chromebook_samus_defconfig |  9 ++++++
 drivers/sound/Makefile             |  2 +-
 3 files changed, 55 insertions(+), 5 deletions(-)

diff --git a/arch/x86/dts/chromebook_samus.dts b/arch/x86/dts/chromebook_samus.dts
index b58936b4ac9..ad687ce2cc3 100644
--- a/arch/x86/dts/chromebook_samus.dts
+++ b/arch/x86/dts/chromebook_samus.dts
@@ -494,10 +494,20 @@
 			intel,pre-graphics-delay = <200>;
 		};
 
-		me at 16,0 {
-			reg = <0x0000b000 0 0 0 0>;
-			compatible = "intel,me";
-			u-boot,dm-pre-reloc;
+		adsp at 13,0 {
+			reg = <0x00009800 0 0 0 0>;
+			compatible = "intel,wildcatpoint-adsp";
+			intel,adsp-d3-pg-enable = <0>;
+			intel,adsp-sram-pg-enable = <0>;
+			intel,sio-acpi-mode;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			i2s: shim {
+				compatible = "intel,broadwell-i2s";
+				#sound-dai-cells = <1>;
+				reg = <0xfb000 0xfc000 0xfd000>;
+			};
 		};
 
 		usb_1: usb at 14,0 {
@@ -505,6 +515,25 @@
 			compatible = "xhci-pci";
 		};
 
+		i2c0: i2c at 15,1 {
+			reg = <0x0000a900 0 0 0 0>;
+			compatible = "snps,designware-i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			rt5677: rt5677 at 2c {
+				compatible = "realtek,rt5677";
+				#sound-dai-cells = <1>;
+				reg = <0x2c>;
+			};
+		};
+
+		me at 16,0 {
+			reg = <0x0000b000 0 0 0 0>;
+			compatible = "intel,me";
+			u-boot,dm-pre-reloc;
+		};
+
 		usb_0: usb at 1d,0 {
 			status = "disabled";
 			reg = <0x0000e800 0 0 0 0>;
@@ -626,4 +655,16 @@
 		};
 	};
 
+	sound {
+		compatible = "google,samus-sound";
+		codec-enable-gpio = <&gpio_b 11 GPIO_ACTIVE_HIGH>;
+		cpu {
+			sound-dai = <&i2s 0>;
+		};
+
+		codec {
+			sound-dai = <&rt5677 0>;
+		};
+	};
+
 };
diff --git a/configs/chromebook_samus_defconfig b/configs/chromebook_samus_defconfig
index 745cb3db0a6..7e2453f2440 100644
--- a/configs/chromebook_samus_defconfig
+++ b/configs/chromebook_samus_defconfig
@@ -17,6 +17,7 @@ CONFIG_BOOTSTAGE_REPORT=y
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="root=/dev/sdb3 init=/sbin/init rootwait ro"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
+CONFIG_LOG_DEFAULT_LEVEL=7
 CONFIG_MISC_INIT_R=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_LAST_STAGE_INIT=y
@@ -24,7 +25,9 @@ CONFIG_HUSH_PARSER=y
 CONFIG_CMD_CPU=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
 CONFIG_CMD_PART=y
+CONFIG_CMD_SATA=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
@@ -33,6 +36,7 @@ CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
+CONFIG_CMD_SOUND=y
 CONFIG_CMD_BOOTSTAGE=y
 CONFIG_CMD_TPM=y
 CONFIG_CMD_TPM_TEST=y
@@ -48,9 +52,14 @@ CONFIG_DEFAULT_DEVICE_TREE="chromebook_samus"
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_CPU=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_DW=y
 CONFIG_CROS_EC=y
 CONFIG_CROS_EC_LPC=y
 CONFIG_SYS_NS16550=y
+CONFIG_SOUND=y
+CONFIG_SOUND_I8254=y
+CONFIG_SOUND_RT5677=y
 CONFIG_SPI=y
 CONFIG_TPM_TIS_LPC=y
 CONFIG_USB_STORAGE=y
diff --git a/drivers/sound/Makefile b/drivers/sound/Makefile
index 452a5a17616..e155041ff5f 100644
--- a/drivers/sound/Makefile
+++ b/drivers/sound/Makefile
@@ -18,5 +18,5 @@ obj-$(CONFIG_SOUND_MAX98095)	+= max98095.o maxim_codec.o
 obj-$(CONFIG_SOUND_INTEL_HDA)	+= hda_codec.o
 obj-$(CONFIG_SOUND_I8254)	+= i8254_beep.o
 obj-$(CONFIG_SOUND_RT5677)	+= rt5677.o
-obj-$(CONFIG_INTEL_BROADWELL)	+= broadwell_i2s.o #broadwell_sound.o
+obj-$(CONFIG_INTEL_BROADWELL)	+= broadwell_i2s.o broadwell_sound.o
 obj-$(CONFIG_SOUND_IVYBRIDGE)	+= ivybridge_sound.o
-- 
2.21.0.rc0.258.g878e2cd30e-goog