ARM: dts: overo: Add device tree for Palo35 board

Also, reduce the maximum SPI device speed to the max. supported by the
LCD controller used on the LGPhilips LB035Q02 panel for this board.

Signed-off-by: Ash Charles <ashcharles@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index c29485f..1c62928 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -409,10 +409,12 @@ dtb-$(CONFIG_ARCH_OMAP3) += \
        omap3-overo-alto35.dtb \
        omap3-overo-chestnut43.dtb \
        omap3-overo-gallop43.dtb \
+       omap3-overo-palo35.dtb \
        omap3-overo-palo43.dtb \
        omap3-overo-storm-alto35.dtb \
        omap3-overo-storm-chestnut43.dtb \
        omap3-overo-storm-gallop43.dtb \
+       omap3-overo-storm-palo35.dtb \
        omap3-overo-storm-palo43.dtb \
        omap3-overo-storm-summit.dtb \
        omap3-overo-storm-tobi.dtb \

diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi
index 233c69e..b874eb7 100644 (file)
--- a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi
+++ b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi
@@ -62,6 +62,7 @@
                        OMAP3_CORE1_IOPAD(0x21ca, PIN_INPUT | MUX_MODE0)        /* mcspi1_simo.mcspi1_simo */
                        OMAP3_CORE1_IOPAD(0x21cc, PIN_INPUT | MUX_MODE0)        /* mcspi1_somi.mcspi1_somi */
                        OMAP3_CORE1_IOPAD(0x21ce, PIN_INPUT | MUX_MODE0)        /* mcspi1_cs0.mcspi1_cs0 */
+                       OMAP3_CORE1_IOPAD(0x21d0, PIN_INPUT | MUX_MODE0)        /* mcspi1_cs1.mcspi1_cs1 */
                >;
        };
 
@@ -123,7 +124,7 @@
                label = "lcd";
 
                reg = <1>;                                      /* CS1 */
-               spi-max-frequency = <10000000>;
+               spi-max-frequency = <500000>;
                spi-cpol;
                spi-cpha;
 

diff --git a/arch/arm/boot/dts/omap3-overo-palo35-common.dtsi b/arch/arm/boot/dts/omap3-overo-palo35-common.dtsi
new file mode 100644 (file)
index 0000000..680d726
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-overo-palo35-common.dtsi
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2015 Ash Charles, Gumstix Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Palo35 expansion board is manufactured by Gumstix Inc.
+ */
+
+#include "omap3-overo-common-peripherals.dtsi"
+#include "omap3-overo-common-lcd35.dtsi"
+
+#include <dt-bindings/input/input.h>
+
+/ {
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&led_pins>;
+               heartbeat {
+                       label = "overo:red:gpio21";
+                       gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;            /* gpio_21 */
+                       linux,default-trigger = "heartbeat";
+               };
+               gpio22 {
+                       label = "overo:blue:gpio22";
+                       gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;            /* gpio_22 */
+               };
+       };
+
+       gpio_keys {
+               compatible = "gpio-keys";
+               pinctrl-names = "default";
+               pinctrl-0 = <&button_pins>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               button0@23 {
+                       label = "button0";
+                       linux,code = <BTN_0>;
+                       gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;            /* gpio_23 */
+                       gpio-key,wakeup;
+               };
+               button1@14 {
+                       label = "button1";
+                       linux,code = <BTN_1>;
+                       gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;            /* gpio_14 */
+                       gpio-key,wakeup;
+               };
+       };
+};

diff --git a/arch/arm/boot/dts/omap3-overo-palo35.dts b/arch/arm/boot/dts/omap3-overo-palo35.dts
new file mode 100644 (file)
index 0000000..e3e2bce
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-overo-palo35.dts
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2015 Ash Charles, Gumstix Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Palo35 expansion board is manufactured by Gumstix Inc.
+ */
+
+/dts-v1/;
+
+#include "omap3-overo.dtsi"
+#include "omap3-overo-palo35-common.dtsi"
+
+/ {
+       model = "OMAP35xx Gumstix Overo on Palo35";
+       compatible = "gumstix,omap3-overo-palo35", "gumstix,omap3-overo", "ti,omap3430", "ti,omap3";
+};
+
+&omap3_pmx_core2 {
+       led_pins: pinmux_led_pins {
+               pinctrl-single,pins = <
+                       OMAP3430_CORE2_IOPAD(0x25ea, PIN_OUTPUT | MUX_MODE4)    /* etk_d7.gpio_21 */
+                       OMAP3430_CORE2_IOPAD(0x25ec, PIN_OUTPUT | MUX_MODE4)    /* etk_d8.gpio_22 */
+               >;
+       };
+
+       button_pins: pinmux_button_pins {
+               pinctrl-single,pins = <
+                       OMAP3430_CORE2_IOPAD(0x25ee, PIN_INPUT | MUX_MODE4)     /* etk_d9.gpio_23 */
+                       OMAP3430_CORE2_IOPAD(0x25dc, PIN_INPUT | MUX_MODE4)     /* etk_d0.gpio_14 */
+               >;
+       };
+};

diff --git a/arch/arm/boot/dts/omap3-overo-storm-palo35.dts b/arch/arm/boot/dts/omap3-overo-storm-palo35.dts
new file mode 100644 (file)
index 0000000..4e725d2
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-overo-storm-palo35.dts
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2015 Ash Charles, Gumstix, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Palo35 expansion board is manufactured by Gumstix Inc.
+ */
+
+/dts-v1/;
+
+#include "omap3-overo-storm.dtsi"
+#include "omap3-overo-palo35-common.dtsi"
+
+/ {
+       model = "OMAP36xx/AM37xx/DM37xx Gumstix Overo on Palo35";
+       compatible = "gumstix,omap3-overo-palo35", "gumstix,omap3-overo", "ti,omap36xx", "ti,omap3";
+};
+
+&omap3_pmx_core2 {
+       led_pins: pinmux_led_pins {
+               pinctrl-single,pins = <
+                       OMAP3630_CORE2_IOPAD(0x25ea, PIN_OUTPUT | MUX_MODE4)    /* etk_d7.gpio_21 */
+                       OMAP3630_CORE2_IOPAD(0x25ec, PIN_OUTPUT | MUX_MODE4)    /* etk_d8.gpio_22 */
+               >;
+       };
+
+       button_pins: pinmux_button_pins {
+               pinctrl-single,pins = <
+                       OMAP3630_CORE2_IOPAD(0x25ee, PIN_INPUT | MUX_MODE4)     /* etk_d9.gpio_23 */
+                       OMAP3630_CORE2_IOPAD(0x25dc, PIN_INPUT | MUX_MODE4)     /* etk_d0.gpio_14 */
+               >;
+       };
+};