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From 6cfadd47c2df92bbbc2a93387bb35740c1f8e3b2 Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Tue, 31 Dec 2013 14:18:00 -0600
Subject: [PATCH] arm: dts: am335x-bone-common: setup default pinmux
http://elinux.org/Basic_Proto_Cape
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
arch/arm/boot/dts/am335x-bone-common.dtsi | 130 ++++++++++++++++++++++++++++++
1 file changed, 130 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index c7357bcc7d5c..86cdb52dbf8a 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -98,6 +98,13 @@
>;
};
+ uart1_pins: pinmux_uart1_pins {
+ pinctrl-single,pins = <
+ 0x180 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_rxd.uart1_rxd */
+ 0x184 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart1_txd.uart1_txd */
+ >;
+ };
+
clkout2_pin: pinmux_clkout2_pin {
pinctrl-single,pins = <
0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */
@@ -178,6 +185,33 @@
0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
>;
};
+
+ spi0_pins: pinmux_spi0_pins {
+ pinctrl-single,pins = <
+ 0x150 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_sclk.spi0_sclk */
+ 0x154 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d0.spi0_d0 */
+ 0x158 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* spi0_d1.spi0_d1 */
+ 0x15c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* spi0_cs0.spi0_cs0 */
+ >;
+ };
+
+ ehrpwm1_pin_p9_14: pinmux_ehrpwm1_pin_p9_14 {
+ pinctrl-single,pins = <
+ 0x048 0x6 /* P9_14 (ZCZ ball U14) | MODE 6 */
+ >;
+ };
+
+ ehrpwm1_pin_p9_16: pinmux_ehrpwm1_pin_p9_16 {
+ pinctrl-single,pins = <
+ 0x04c 0x6 /* P9_16 (ZCZ ball T14) | MODE 6 */
+ >;
+ };
+
+ ecap0_pin_p9_42: pinmux_ecap0_pin_p9_42 {
+ pinctrl-single,pins = <
+ 0x164 0x0 /* P9_42 (ZCZ ball C18) | MODE 0 */
+ >;
+ };
};
&uart0 {
@@ -187,6 +221,13 @@
status = "okay";
};
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+
+ status = "okay";
+};
+
&usb {
status = "okay";
};
@@ -261,6 +302,56 @@
};
};
+&epwmss0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ecap0_pin_p9_42>;
+ status = "okay";
+
+ ecap@48300100 {
+ status = "okay";
+ };
+};
+
+&epwmss1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <
+ &ehrpwm1_pin_p9_14
+ &ehrpwm1_pin_p9_16
+ >;
+
+ status = "okay";
+
+ ehrpwm@48302200 {
+ status = "okay";
+ };
+};
+
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_pins>;
+ status = "okay";
+
+ spidev0: spi@0 {
+ compatible = "spidev";
+ reg = <0>;
+ spi-max-frequency = <16000000>;
+ spi-cpha;
+ };
+
+ spidev1: spi@1 {
+ compatible = "spidev";
+ reg = <1>;
+ spi-max-frequency = <16000000>;
+ };
+};
+
+&tscadc {
+ status = "okay";
+ adc {
+ ti,adc-channels = <4 5 6>;
+ };
+};
+
/include/ "tps65217.dtsi"
&tps {
@@ -337,3 +428,42 @@
cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
cd-inverted;
};
+
+/ {
+ ocp {
+ //FIXME: these pwm's still need work, this guild isn't working..
+ //http://elinux.org/EBC_Exercise_13_Pulse_Width_Modulation
+ pwm_test_P9_14@0 {
+ compatible = "pwm_test";
+ pwms = <&ehrpwm1 0 500000 1>;
+ pwm-names = "PWM_P9_14";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ehrpwm1_pin_p9_14>;
+ enabled = <1>;
+ duty = <0>;
+ status = "okay";
+ };
+
+ pwm_test_P9_16@0 {
+ compatible = "pwm_test";
+ pwms = <&ehrpwm1 0 500000 1>;
+ pwm-names = "PWM_P9_16";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ehrpwm1_pin_p9_16>;
+ enabled = <1>;
+ duty = <0>;
+ status = "okay";
+ };
+
+ pwm_test_P9_42 {
+ compatible = "pwm_test";
+ pwms = <&ecap0 0 500000 1>;
+ pwm-names = "PWM_P9_42";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ecap0_pin_p9_42>;
+ enabled = <1>;
+ duty = <0>;
+ status = "okay";
+ };
+ };
+};
--
1.9.3
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