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Diffstat (limited to 'arch/arm/boot/dts/am437x-gp-evm.dts')
-rw-r--r--arch/arm/boot/dts/am437x-gp-evm.dts198
1 files changed, 181 insertions, 17 deletions
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 84aa30c32..22038f21f 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -21,12 +21,11 @@
aliases {
display0 = &lcd0;
- serial3 = &uart3;
};
- vmmcsd_fixed: fixedregulator-sd {
+ evm_v3_3d: fixedregulator-v3_3d {
compatible = "regulator-fixed";
- regulator-name = "vmmcsd_fixed";
+ regulator-name = "evm_v3_3d";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
enable-active-high;
@@ -83,17 +82,6 @@
compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
label = "lcd";
- pinctrl-names = "default";
- pinctrl-0 = <&lcd_pins>;
-
- /*
- * SelLCDorHDMI, LOW to select HDMI. This is not really the
- * panel's enable GPIO, but we don't have HDMI driver support nor
- * support to switch between two displays, so using this gpio as
- * panel's enable should be safe.
- */
- enable-gpios = <&gpio5 8 GPIO_ACTIVE_HIGH>;
-
panel-timing {
clock-frequency = <33000000>;
hactive = <800>;
@@ -124,6 +112,39 @@
clock-frequency = <12000000>;
};
+ /* fixed 32k external oscillator clock */
+ clk_32k_rtc: clk_32k_rtc {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ };
+
+ sound0: sound@0 {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "AM437x-GP-EVM";
+ simple-audio-card,widgets =
+ "Headphone", "Headphone Jack",
+ "Line", "Line In";
+ simple-audio-card,routing =
+ "Headphone Jack", "HPLOUT",
+ "Headphone Jack", "HPROUT",
+ "LINE1L", "Line In",
+ "LINE1R", "Line In";
+ simple-audio-card,format = "dsp_b";
+ simple-audio-card,bitclock-master = <&sound0_master>;
+ simple-audio-card,frame-master = <&sound0_master>;
+ simple-audio-card,bitclock-inversion;
+
+ simple-audio-card,cpu {
+ sound-dai = <&mcasp1>;
+ system-clock-frequency = <12000000>;
+ };
+
+ sound0_master: simple-audio-card,codec {
+ sound-dai = <&tlv320aic3106>;
+ system-clock-frequency = <12000000>;
+ };
+ };
};
&am43xx_pinmux {
@@ -217,7 +238,6 @@
nand_flash_x8: nand_flash_x8 {
pinctrl-single,pins = <
- 0x26c(PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* spi2_cs0.gpio/eMMCorNANDsel */
0x0 (PIN_INPUT | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */
0x4 (PIN_INPUT | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */
0x8 (PIN_INPUT | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */
@@ -270,7 +290,7 @@
>;
};
- lcd_pins: lcd_pins {
+ display_mux_pins: display_mux_pins {
pinctrl-single,pins = <
/* GPIO 5_8 to select LCD / HDMI */
0x238 (PIN_OUTPUT_PULLUP | MUX_MODE7)
@@ -409,6 +429,60 @@
0x234 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart3_rtsn.uart3_rtsn */
>;
};
+
+ mcasp1_pins: mcasp1_pins {
+ pinctrl-single,pins = <
+ 0x108 (PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* mii1_col.mcasp1_axr2 */
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */
+ 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rxerr.mcasp1_fsx */
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* rmii1_ref_clk.mcasp1_axr3 */
+ >;
+ };
+
+ mcasp1_sleep_pins: mcasp1_sleep_pins {
+ pinctrl-single,pins = <
+ 0x108 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
+
+ gpio0_pins: gpio0_pins {
+ pinctrl-single,pins = <
+ 0x26c (PIN_OUTPUT | MUX_MODE9) /* spi2_cs0.gpio0_23 SEL_eMMCorNANDn */
+ >;
+ };
+
+ emmc_pins_default: emmc_pins_default {
+ pinctrl-single,pins = <
+ 0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
+ 0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
+ 0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
+ 0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
+ 0x10 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */
+ 0x14 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */
+ 0x18 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */
+ 0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
+ 0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
+ 0x84 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
+ >;
+ };
+
+ emmc_pins_sleep: emmc_pins_sleep {
+ pinctrl-single,pins = <
+ 0x00 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad0.gpio1_0 */
+ 0x04 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad1.gpio1_1 */
+ 0x08 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad2.gpio1_2 */
+ 0x0c (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad3.gpio1_3 */
+ 0x10 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad4.gpio1_4 */
+ 0x14 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad5.gpio1_5 */
+ 0x18 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad6.gpio1_6 */
+ 0x1c (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad7.gpio1_7 */
+ 0x80 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn1.gpio1_30 */
+ 0x84 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn2.gpio1_31 */
+ >;
+ };
};
&i2c0 {
@@ -455,6 +529,8 @@
regulator-name = "v1_0bat";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
+ regulator-boot-on;
+ regulator-always-on;
};
dcdc6: regulator-dcdc6 {
@@ -462,6 +538,8 @@
regulator-name = "v1_8bat";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
};
ldo1: regulator-ldo1 {
@@ -521,6 +599,19 @@
};
};
};
+
+ tlv320aic3106: tlv320aic3106@1b {
+ #sound-dai-cells = <0>;
+ compatible = "ti,tlv320aic3106";
+ reg = <0x1b>;
+ status = "okay";
+
+ /* Regulators */
+ IOVDD-supply = <&evm_v3_3d>; /* V3_3D -> <tps63031> EN: V1_8D -> VBAT */
+ AVDD-supply = <&evm_v3_3d>; /* v3_3AUD -> V3_3D -> ... */
+ DRVDD-supply = <&evm_v3_3d>; /* v3_3AUD -> V3_3D -> ... */
+ DVDD-supply = <&ldo1>; /* V1_8D -> LDO1 */
+ };
};
&epwmss0 {
@@ -542,7 +633,23 @@
};
&gpio0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio0_pins>;
status = "okay";
+
+ p23 {
+ gpio-hog;
+ gpios = <23 GPIO_ACTIVE_HIGH>;
+ /* SelEMMCorNAND selects between eMMC and NAND:
+ * Low: NAND
+ * High: eMMC
+ * When changing this line make sure the newly
+ * selected device node is enabled and the previously
+ * selected device node is disabled.
+ */
+ output-low;
+ line-name = "SelEMMCorNAND";
+ };
};
&gpio1 {
@@ -558,19 +665,48 @@
};
&gpio5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&display_mux_pins>;
status = "okay";
ti,no-reset-on-init;
+
+ p8 {
+ /*
+ * SelLCDorHDMI selects between display and audio paths:
+ * Low: HDMI display with audio via HDMI
+ * High: LCD display with analog audio via aic3111 codec
+ */
+ gpio-hog;
+ gpios = <8 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "SelLCDorHDMI";
+ };
};
&mmc1 {
status = "okay";
- vmmc-supply = <&vmmcsd_fixed>;
+ vmmc-supply = <&evm_v3_3d>;
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
};
+/* eMMC sits on mmc2 */
+&mmc2 {
+ /*
+ * When enabling eMMC, disable GPMC/NAND and set
+ * SelEMMCorNAND to output-high
+ */
+ status = "disabled";
+ vmmc-supply = <&evm_v3_3d>;
+ bus-width = <8>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&emmc_pins_default>;
+ pinctrl-1 = <&emmc_pins_sleep>;
+ ti,non-removable;
+};
+
&mmc3 {
status = "okay";
/* these are on the crossbar and are outlined in the
@@ -651,6 +787,10 @@
};
&gpmc {
+ /*
+ * When enabling GPMC, disable eMMC and set
+ * SelEMMCorNAND to output-low
+ */
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&nand_flash_x8>;
@@ -790,3 +930,27 @@
};
};
};
+
+&mcasp1 {
+ #sound-dai-cells = <0>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mcasp1_pins>;
+ pinctrl-1 = <&mcasp1_sleep_pins>;
+
+ status = "okay";
+
+ op-mode = <0>; /* MCASP_IIS_MODE */
+ tdm-slots = <2>;
+ /* 4 serializers */
+ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
+ 0 0 1 2
+ >;
+ tx-num-evt = <32>;
+ rx-num-evt = <32>;
+};
+
+&rtc {
+ clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
+ clock-names = "ext-clk", "int-clk";
+ status = "okay";
+};
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-16 10:24:55 +0000