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