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ARM: dts: am335x-icev2: Add Industrial input support

PATCH In review Andrew F. Davis 2 participants 9 messages Oct 7, 2016 – Nov 18, 2016 Device tree bindings

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Andrew F. Davis

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#0 lore raw

PATCH 1/7 ARM: dts: am335x-icev2: Add Industrial input support

The SN65HVS882 is available on the AM335x-ICEv2 and is attached to SPI0. Input is attached to the I/O header.

Signed-off-by Andrew F. Davis <[email protected]>
Signed-off-by Sekhar Nori <[email protected]>
---
 arch/arm/boot/dts/am335x-icev2.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
arch/arm/boot/dts/am335x-icev2.dts +20 -0
index 85e04c2..d46efc6 100644
@@ -187,6 +187,8 @@
 			AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0) /* (B17) spi0_d0.spi0_d0 */
 			AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0) /* (B16) spi0_d1.spi0_d1 */
 			AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0) /* (A16) spi0_cs0.spi0_cs0 */
+			AM33XX_IOPAD(0x960, PIN_INPUT_PULLUP | MUX_MODE0) /* (C15) spi0_cs1.spi0_cs1 */
+			AM33XX_IOPAD(0x9a0, PIN_INPUT_PULLUP | MUX_MODE7) /* (B12) mcasp0_aclkr.gpio3[18] */
 		>;
 	};
 

@@ -224,6 +226,24 @@
 	};
 };
 
+&spi0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_pins_default>;
+
+	sn65hvs882@1 {
+		compatible = "pisosr-gpio";
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		load-gpios = <&gpio3 18 GPIO_ACTIVE_LOW>;
+
+		reg = <1>;
+		spi-max-frequency = <1000000>;
+		spi-cpol;
+	};
+};
+
 #include "tps65910.dtsi"
 
 &tps {
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author
#1 lore raw

PATCH 2/7 ARM: dts: am335x-icev2: Disable Industrial I/O LEDs and fix naming

The LEDs tied to the Industrial I/O output pins are meant for providing status feed-back and are not the primary use for the pins. Disable this use by default. Also unify the LED naming across IDK platforms.

Signed-off-by Andrew F. Davis <[email protected]>
Signed-off-by Sekhar Nori <[email protected]>
---
 arch/arm/boot/dts/am335x-icev2.dts | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)
arch/arm/boot/dts/am335x-icev2.dts +10 -10
index d46efc6..fa3f5dc 100644
@@ -43,52 +43,52 @@
 		enable-active-high;
 	};
 
-	leds0 {
+	leds-iio {
+		status = "disabled";
 		compatible = "gpio-leds";
-
-		led0 {
+		led-out0 {
 			label = "out0";
 			gpios = <&tpic2810 0 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
 		};
 
-		led1 {
+		led-out1 {
 			label = "out1";
 			gpios = <&tpic2810 1 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
 		};
 
-		led2 {
+		led-out2 {
 			label = "out2";
 			gpios = <&tpic2810 2 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
 		};
 
-		led3 {
+		led-out3 {
 			label = "out3";
 			gpios = <&tpic2810 3 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
 		};
 
-		led4 {
+		led-out4 {
 			label = "out4";
 			gpios = <&tpic2810 4 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
 		};
 
-		led5 {
+		led-out5 {
 			label = "out5";
 			gpios = <&tpic2810 5 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
 		};
 
-		led6 {
+		led-out6 {
 			label = "out6";
 			gpios = <&tpic2810 6 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
 		};
 
-		led7 {
+		led-out7 {
 			label = "out7";
 			gpios = <&tpic2810 7 GPIO_ACTIVE_HIGH>;
 			default-state = "off";
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author
#2 lore raw

PATCH 3/7 ARM: dts: am335x-icev2: Add ADC support

In reply to Andrew F. Davis

7 of the 8 ADC inputs on the am335x are connected to the Industrial I/O header, add this here.

Signed-off-by Andrew F. Davis <[email protected]>
Signed-off-by Sekhar Nori <[email protected]>
---
 arch/arm/boot/dts/am335x-icev2.dts | 7 +++++++
 1 file changed, 7 insertions(+)
arch/arm/boot/dts/am335x-icev2.dts +7 -0
index fa3f5dc..1463df3 100644
@@ -244,6 +244,13 @@
 	};
 };
 
+&tscadc {
+	status = "okay";
+	adc {
+		ti,adc-channels = <1 2 3 4 5 6 7>;
+	};
+};
+
 #include "tps65910.dtsi"
 
 &tps {
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author
#3 lore raw

PATCH 4/7 ARM: dts: am437x-idk: Add Industrial input support

In reply to Andrew F. Davis

The SN65HVS882 is available on the AM437x IDK and is attached to SPI1. Input is attached to the I/O header.

Signed-off-by Andrew F. Davis <[email protected]>
Reviewed-by Roger Quadros <[email protected]>
Signed-off-by Sekhar Nori <[email protected]>
---
 arch/arm/boot/dts/am437x-idk-evm.dts | 42 ++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
arch/arm/boot/dts/am437x-idk-evm.dts +42 -0
index 25ce611..fff7ef6 100644
@@ -178,6 +178,24 @@
 		>;
 	};
 
+	spi1_pins_default: spi1_pins_default {
+		pinctrl-single,pins = <
+			AM4372_IOPAD(0x908, PIN_INPUT | MUX_MODE2)	/* mii1_col.spi1_sclk */
+			AM4372_IOPAD(0x910, PIN_INPUT | MUX_MODE2)	/* mii1_rx_er.spi1_d1 */
+			AM4372_IOPAD(0x944, PIN_OUTPUT | MUX_MODE2)	/* rmii1_ref_clk.spi1_cs0 */
+			AM4372_IOPAD(0x90c, PIN_OUTPUT | MUX_MODE7)	/* mii1_crs.gpio3_1 */
+		>;
+	};
+
+	spi1_pins_sleep: spi1_pins_sleep {
+		pinctrl-single,pins = <
+			AM4372_IOPAD(0x908, PIN_INPUT_PULLDOWN | MUX_MODE7)
+			AM4372_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE7)
+			AM4372_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE7)
+			AM4372_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+		>;
+	};
+
 	ecap0_pins_default: backlight_pins_default {
 		pinctrl-single,pins = <
 			AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */

@@ -292,6 +310,26 @@
 	clock-frequency = <100000>;
 };
 
+&spi1 {
+	status = "okay";
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&spi1_pins_default>;
+	pinctrl-1 = <&spi1_pins_sleep>;
+	ti,pindir-d0-out-d1-in;
+
+	sn65hvs882: sn65hvs882@0 {
+		compatible = "pisosr-gpio";
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		load-gpios = <&gpio3 1 GPIO_ACTIVE_LOW>;
+
+		reg = <0>;
+		spi-max-frequency = <1000000>;
+		spi-cpol;
+	};
+};
+
 &epwmss0 {
 	status = "okay";
 };

@@ -310,6 +348,10 @@
 	status = "okay";
 };
 
+&gpio3 {
+	status = "okay";
+};
+
 &gpio4 {
 	status = "okay";
 };
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#4 lore raw

PATCH 5/7 ARM: dts: am437x-idk: Add Industrial output support

In reply to Andrew F. Davis

The TPIC2810 is available on the AM437x IDK and is attached to I2C1. Output is attached to the I/O header and 10 LEDs.

Signed-off-by Andrew F. Davis <[email protected]>
Signed-off-by Sekhar Nori <[email protected]>
---
 arch/arm/boot/dts/am437x-idk-evm.dts | 59 ++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
arch/arm/boot/dts/am437x-idk-evm.dts +59 -0
index fff7ef6..b76a7c0 100644
@@ -117,6 +117,58 @@
 		compatible = "fixed-clock";
 		clock-frequency = <32768>;
 	};
+
+	leds-iio {
+		status = "disabled";
+		compatible = "gpio-leds";
+		led-out0 {
+			label = "out0";
+			gpios = <&tpic2810 0 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out1 {
+			label = "out1";
+			gpios = <&tpic2810 1 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out2 {
+			label = "out2";
+			gpios = <&tpic2810 2 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out3 {
+			label = "out3";
+			gpios = <&tpic2810 3 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out4 {
+			label = "out4";
+			gpios = <&tpic2810 4 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out5 {
+			label = "out5";
+			gpios = <&tpic2810 5 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out6 {
+			label = "out6";
+			gpios = <&tpic2810 6 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out7 {
+			label = "out7";
+			gpios = <&tpic2810 7 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
 };
 
 &am43xx_pinmux {

@@ -308,6 +360,13 @@
 	pinctrl-0 = <&i2c2_pins_default>;
 	pinctrl-1 = <&i2c2_pins_sleep>;
 	clock-frequency = <100000>;
+
+	tpic2810: tpic2810@60 {
+		compatible = "ti,tpic2810";
+		reg = <0x60>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
 };
 
 &spi1 {
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author
#5 lore raw

PATCH 6/7 ARM: dts: am57xx-idk: Add Industrial input support

In reply to Andrew F. Davis

The SN65HVS882 is available on both the AM572x and AM571x IDKs and is attached to SPI1. Input is attached to the I/O header. The load trigger is attached to GPIO3_19 on the AM572x IDK.

Signed-off-by Andrew F. Davis <[email protected]>
Signed-off-by Sekhar Nori <[email protected]>
---
 arch/arm/boot/dts/am572x-idk.dts         |  4 ++++
 arch/arm/boot/dts/am57xx-idk-common.dtsi | 15 +++++++++++++++
 2 files changed, 19 insertions(+)
arch/arm/boot/dts/am572x-idk.dts +4 -0
index 87bbc66..27d9149 100644
@@ -83,3 +83,7 @@
 	bus-width = <4>;
 	cd-gpios = <&gpio6 27 0>; /* gpio 219 */
 };
+
+&sn65hvs882 {
+	load-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
+};
arch/arm/boot/dts/am57xx-idk-common.dtsi +15 -0
index 03cec62..438076e 100644
@@ -253,6 +253,21 @@
 	};
 };
 
+&mcspi3 {
+	status = "okay";
+	ti,pindir-d0-out-d1-in;
+
+	sn65hvs882: sn65hvs882@0 {
+		compatible = "pisosr-gpio";
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		reg = <0>;
+		spi-max-frequency = <1000000>;
+		spi-cpol;
+	};
+};
+
 &uart3 {
 	status = "okay";
 	interrupts-extended = <&crossbar_mpu GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH
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author
#6 lore raw

PATCH 7/7 ARM: dts: am57xx-idk: Add Industrial output support

In reply to Andrew F. Davis

The TPIC2810 is available on both the AM571x and the AM572x IDKs and is attached to I2C1. Output is attached to the I/O header and 10 LEDs.

Signed-off-by Andrew F. Davis <[email protected]>
Signed-off-by Sekhar Nori <[email protected]>
---
 arch/arm/boot/dts/am57xx-idk-common.dtsi | 59 ++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
arch/arm/boot/dts/am57xx-idk-common.dtsi +59 -0
index 438076e..35e210c 100644
@@ -43,6 +43,58 @@
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	leds-iio {
+		status = "disabled";
+		compatible = "gpio-leds";
+		led-out0 {
+			label = "out0";
+			gpios = <&tpic2810 0 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out1 {
+			label = "out1";
+			gpios = <&tpic2810 1 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out2 {
+			label = "out2";
+			gpios = <&tpic2810 2 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out3 {
+			label = "out3";
+			gpios = <&tpic2810 3 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out4 {
+			label = "out4";
+			gpios = <&tpic2810 4 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out5 {
+			label = "out5";
+			gpios = <&tpic2810 5 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out6 {
+			label = "out6";
+			gpios = <&tpic2810 6 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-out7 {
+			label = "out7";
+			gpios = <&tpic2810 7 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
 };
 
 &i2c1 {

@@ -266,6 +318,13 @@
 		spi-max-frequency = <1000000>;
 		spi-cpol;
 	};
+
+	tpic2810: tpic2810@60 {
+		compatible = "ti,tpic2810";
+		reg = <0x60>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
 };
 
 &uart3 {
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