ARM: dts: exynos: Add entries for sound support on Odroid-XU board

This patch adds device nodes for the AUDSS clock controller,
peripheral DMA 0/1 controllers and the Audio Subsystem I2S controller.
These entries are required for sound support on Odroid-XU board.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

3 files changed, 137 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts
index 3c271cb4b2be..c4de1353e5df 100644
--- a/arch/arm/boot/dts/exynos5410-odroidxu.dts
+++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts
@@ -15,6 +15,7 @@
 #include <dt-bindings/clock/maxim,max77802.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/sound/samsung-i2s.h>
 #include "exynos54xx-odroidxu-leds.dtsi"
 
 / {
@@ -57,6 +58,61 @@
                 compatible = "samsung,secure-firmware";
                 reg = <0x02073000 0x1000>;
         };
+
+        sound: sound {
+                compatible = "simple-audio-card";
+
+                simple-audio-card,name = "Odroid-XU";
+                simple-audio-card,widgets =
+                        "Headphone", "Headphone Jack",
+                        "Speakers", "Speakers";
+                simple-audio-card,routing =
+                        "Headphone Jack", "HPL",
+                        "Headphone Jack", "HPR",
+                        "Headphone Jack", "MICBIAS",
+                        "IN1", "Headphone Jack",
+                        "Speakers", "SPKL",
+                        "Speakers", "SPKR";
+
+                simple-audio-card,format = "i2s";
+                simple-audio-card,bitclock-master = <&link0_codec>;
+                simple-audio-card,frame-master = <&link0_codec>;
+
+                simple-audio-card,cpu {
+                        sound-dai = <&audi2s0 0>;
+                        system-clock-frequency = <19200000>;
+                };
+
+                link0_codec: simple-audio-card,codec {
+                        sound-dai = <&max98090>;
+                        clocks = <&audi2s0 CLK_I2S_CDCLK>;
+                };
+        };
+};
+
+&audi2s0 {
+        status = "okay";
+};
+
+&clock {
+        clocks = <&fin_pll>;
+        assigned-clocks = <&clock CLK_FOUT_EPLL>;
+        assigned-clock-rates = <192000000>;
+};
+
+&clock_audss {
+        assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
+                        <&clock_audss EXYNOS_MOUT_I2S>,
+                        <&clock_audss EXYNOS_DOUT_SRP>,
+                        <&clock_audss EXYNOS_DOUT_AUD_BUS>;
+
+        assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
+                        <&clock_audss EXYNOS_MOUT_AUDSS>;
+
+        assigned-clock-rates =  <0>,
+                                <0>,
+                                <96000000>,
+                                <19200000>;
 };
 
 &cpu0_thermal {
@@ -440,6 +496,19 @@
         };
 };
 
+&i2c_1 {
+        status = "okay";
+        max98090: max98090@10 {
+                compatible = "maxim,max98090";
+                reg = <0x10>;
+                interrupt-parent = <&gpj3>;
+                interrupts = <0 IRQ_TYPE_NONE>;
+                clocks = <&audi2s0 CLK_I2S_CDCLK>;
+                clock-names = "mclk";
+                #sound-dai-cells = <0>;
+        };
+};
+
 &mmc_0 {
         status = "okay";
         mmc-pwrseq = <&emmc_pwrseq>;
diff --git a/arch/arm/boot/dts/exynos5410-pinctrl.dtsi b/arch/arm/boot/dts/exynos5410-pinctrl.dtsi
index a083d23fdee3..ff46a1c27182 100644
--- a/arch/arm/boot/dts/exynos5410-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos5410-pinctrl.dtsi
@@ -615,4 +615,13 @@
                 interrupt-controller;
                 #interrupt-cells = <2>;
         };
+
+        audi2s0_bus: audi2s0-bus {
+                samsung,pins = "gpz-0", "gpz-1", "gpz-2", "gpz-3",
+                                "gpz-4";
+                samsung,pin-function = <2>;
+                samsung,pin-pud = <0>;
+                samsung,pin-drv = <0>;
+        };
+
 };
diff --git a/arch/arm/boot/dts/exynos5410.dtsi b/arch/arm/boot/dts/exynos5410.dtsi
index 137f48464f8b..9a91685d8890 100644
--- a/arch/arm/boot/dts/exynos5410.dtsi
+++ b/arch/arm/boot/dts/exynos5410.dtsi
@@ -16,6 +16,7 @@
 #include "exynos54xx.dtsi"
 #include "exynos-syscon-restart.dtsi"
 #include <dt-bindings/clock/exynos5410.h>
+#include <dt-bindings/clock/exynos-audss-clk.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
 / {
@@ -82,6 +83,14 @@
                         #clock-cells = <1>;
                 };
 
+                clock_audss: audss-clock-controller@3810000 {
+                        compatible = "samsung,exynos5410-audss-clock";
+                        reg = <0x03810000 0x0C>;
+                        #clock-cells = <1>;
+                        clocks = <&fin_pll>, <&clock CLK_FOUT_EPLL>;
+                        clock-names = "pll_ref", "pll_in";
+                };
+
                 tmu_cpu0: tmu@10060000 {
                         compatible = "samsung,exynos5420-tmu";
                         reg = <0x10060000 0x100>;
@@ -183,6 +192,56 @@
                         reg = <0x03860000 0x1000>;
                         interrupts = <0 47 0>;
                 };
+
+                amba {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        compatible = "simple-bus";
+                        interrupt-parent = <&gic>;
+                        ranges;
+
+                        pdma0: pdma@12680000 {
+                                compatible = "arm,pl330", "arm,primecell";
+                                reg = <0x121A0000 0x1000>;
+                                interrupts = <GIC_SPI 34 IRQ_TYPE_NONE>;
+                                clocks = <&clock CLK_PDMA0>;
+                                clock-names = "apb_pclk";
+                                #dma-cells = <1>;
+                                #dma-channels = <8>;
+                                #dma-requests = <32>;
+                        };
+
+                        pdma1: pdma@12690000 {
+                                compatible = "arm,pl330", "arm,primecell";
+                                reg = <0x121B0000 0x1000>;
+                                interrupts = <GIC_SPI 35 IRQ_TYPE_NONE>;
+                                clocks = <&clock CLK_PDMA1>;
+                                clock-names = "apb_pclk";
+                                #dma-cells = <1>;
+                                #dma-channels = <8>;
+                                #dma-requests = <32>;
+                        };
+                };
+
+                audi2s0: i2s@03830000 {
+                        compatible = "samsung,exynos5420-i2s";
+                        reg = <0x03830000 0x100>;
+                        dmas = <&pdma0 10
+                                &pdma0 9
+                                &pdma0 8>;
+                        dma-names = "tx", "rx", "tx-sec";
+                        clocks = <&clock_audss EXYNOS_I2S_BUS>,
+                                <&clock_audss EXYNOS_I2S_BUS>,
+                                <&clock_audss EXYNOS_SCLK_I2S>;
+                        clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
+                        #clock-cells = <1>;
+                        clock-output-names = "i2s_cdclk0";
+                        #sound-dai-cells = <1>;
+                        samsung,idma-addr = <0x03000000>;
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&audi2s0_bus>;
+                        status = "disabled";
+                };
         };
 
         thermal-zones {