devicetree: Add DTS file to support the Nexus7 2013 (flo) device.

This patch adds a dts file to support the Nexus7 2013
device. Its based off of the qcom-apq8064-ifc6410.dts
which is similar hardware.

Also includes some comments and context folded in
from Vinay Simha BN <simhavcs@gmail.com>

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Arnd Bergmann <arnd.bergmann@linaro.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Andy Gross <agross@codeaurora.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Vinay Simha BN <simhavcs@gmail.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index a4a6d70..f6444be 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -524,6 +524,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
        qcom-apq8064-cm-qs600.dtb \
        qcom-apq8064-ifc6410.dtb \
        qcom-apq8064-sony-xperia-yuga.dtb \
+       qcom-apq8064-asus-nexus7-flo.dtb \
        qcom-apq8074-dragonboard.dtb \
        qcom-apq8084-ifc6540.dtb \
        qcom-apq8084-mtp.dtb \

diff --git a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
new file mode 100644 (file)
index 0000000..c535b3f
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
@@ -0,0 +1,276 @@
+#include "qcom-apq8064-v2.0.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+/ {
+       model = "Asus Nexus7(flo)";
+       compatible = "asus,nexus7-flo", "qcom,apq8064";
+
+       aliases {
+               serial0 = &gsbi7_serial;
+               serial1 = &gsbi6_serial;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       ext_3p3v: regulator-fixed@1 {
+               compatible = "regulator-fixed";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-name = "ext_3p3v";
+               regulator-type = "voltage";
+               startup-delay-us = <0>;
+               gpio = <&tlmm_pinmux 77 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+               regulator-boot-on;
+       };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+               power {
+                       label = "Power";
+                       gpios = <&tlmm_pinmux 26 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_POWER>;
+                       gpio-key,wakeup;
+               };
+               volume_up {
+                       label = "Volume Up";
+                       gpios = <&pm8921_gpio 4 GPIO_ACTIVE_HIGH>;
+                       linux,code = <KEY_VOLUMEUP>;
+               };
+               volume_down {
+                       label = "Volume Down";
+                       gpios = <&pm8921_gpio 38 GPIO_ACTIVE_HIGH>;
+                       linux,code = <KEY_VOLUMEDOWN>;
+               };
+       };
+
+       soc {
+               rpm@108000 {
+                       regulators {
+                               vdd_l1_l2_l12_l18-supply = <&pm8921_s4>;
+                               vin_lvs1_3_6-supply = <&pm8921_s4>;
+                               vin_lvs4_5_7-supply = <&pm8921_s4>;
+
+
+                               vdd_l24-supply = <&pm8921_s1>;
+                               vdd_l25-supply = <&pm8921_s1>;
+                               vin_lvs2-supply = <&pm8921_s1>;
+
+                               vdd_l26-supply = <&pm8921_s7>;
+                               vdd_l27-supply = <&pm8921_s7>;
+                               vdd_l28-supply = <&pm8921_s7>;
+
+                               vdd_ncp-supply = <&pm8921_l6>;
+
+                               /* Buck SMPS */
+                               s1 {
+                                       regulator-always-on;
+                                       regulator-min-microvolt = <1225000>;
+                                       regulator-max-microvolt = <1225000>;
+                                       qcom,switch-mode-frequency = <3200000>;
+                                       bias-pull-down;
+                               };
+
+                               /* msm otg HSUSB_VDDCX */
+                               s3 {
+                                       regulator-min-microvolt = <500000>;
+                                       regulator-max-microvolt = <1150000>;
+                                       qcom,switch-mode-frequency = <4800000>;
+                               };
+
+                               /*
+                                * msm_sdcc.1-sdc-vdd_io
+                                * tabla2x-slim-CDC_VDDA_RX
+                                * tabla2x-slim-CDC_VDDA_TX
+                                * tabla2x-slim-CDC_VDD_CP
+                                * tabla2x-slim-VDDIO_CDC
+                                */
+                               s4 {
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                                       qcom,switch-mode-frequency = <3200000>;
+                                       regulator-always-on;
+                               };
+
+                               s7 {
+                                       regulator-min-microvolt = <1300000>;
+                                       regulator-max-microvolt = <1300000>;
+                                       qcom,switch-mode-frequency = <3200000>;
+                               };
+
+                               /* mipi_dsi.1-dsi1_pll_vdda */
+                               l2 {
+                                       regulator-min-microvolt = <1200000>;
+                                       regulator-max-microvolt = <1200000>;
+                               };
+
+                               /* msm_otg-HSUSB_3p3 */
+                               l3 {
+                                       regulator-min-microvolt = <3075000>;
+                                       regulator-max-microvolt = <3075000>;
+                                       bias-pull-down;
+                               };
+
+                               /* msm_otg-HSUSB_1p8 */
+                               l4 {
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                                       bias-pull-down;
+                               };
+
+                               /* msm_sdcc.1-sdc_vdd */
+                               l5 {
+                                       regulator-min-microvolt = <2950000>;
+                                       regulator-max-microvolt = <2950000>;
+                                       regulator-always-on;
+                                       bias-pull-down;
+                               };
+
+                               l6 {
+                                       regulator-min-microvolt = <2950000>;
+                                       regulator-max-microvolt = <2950000>;
+                               };
+
+                               /* mipi_dsi.1-dsi1_avdd */
+                               l11 {
+                                       regulator-min-microvolt = <3000000>;
+                                       regulator-max-microvolt = <3000000>;
+                                       bias-pull-down;
+                               };
+
+                               /* pwm_power for backlight */
+                               l17 {
+                                       regulator-min-microvolt = <3000000>;
+                                       regulator-max-microvolt = <3600000>;
+                                       bias-pull-down;
+                               };
+
+                               /* camera, qdsp6 */
+                               l23 {
+                                       regulator-min-microvolt = <1800000>;
+                                       regulator-max-microvolt = <1800000>;
+                                       bias-pull-down;
+                               };
+
+                               /*
+                                * tabla2x-slim-CDC_VDDA_A_1P2V
+                                * tabla2x-slim-VDDD_CDC_D
+                                */
+                               l25 {
+                                       regulator-min-microvolt = <1250000>;
+                                       regulator-max-microvolt = <1250000>;
+                                       bias-pull-down;
+                               };
+
+                               lvs1 {
+                                       bias-pull-down;
+                               };
+
+                               lvs4 {
+                                       bias-pull-down;
+                               };
+
+                               lvs5 {
+                                       bias-pull-down;
+                               };
+
+                               lvs6 {
+                                       bias-pull-down;
+                               };
+                               /*
+                                * mipi_dsi.1-dsi1_vddio
+                                * pil_riva-pll_vdd
+                                */
+                               lvs7 {
+                                       bias-pull-down;
+                               };
+                       };
+               };
+
+               gsbi@16200000 {
+                       status = "okay";
+                       qcom,mode = <GSBI_PROT_I2C>;
+                       i2c@16280000 {
+                               status = "okay";
+                               clock-frequency = <200000>;
+                               pinctrl-0 = <&i2c3_pins>;
+                               pinctrl-names = "default";
+
+                               trackpad@10 {
+                                       compatible = "elan,ekth3500";
+                                       reg = <0x10>;
+                                       interrupt-parent = <&tlmm_pinmux>;
+                                       interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+                               };
+                       };
+               };
+
+
+               gsbi@12440000 {
+                       status = "okay";
+                       qcom,mode = <GSBI_PROT_I2C>;
+
+                       i2c@12460000 {
+                               status = "okay";
+                               clock-frequency = <200000>;
+                               pinctrl-0 = <&i2c1_pins>;
+                               pinctrl-names = "default";
+
+                               eeprom@52 {
+                                       compatible = "atmel,24c128";
+                                       reg = <0x52>;
+                                       pagesize = <32>;
+                               };
+                       };
+               };
+
+               gsbi@16500000 {
+                       status = "ok";
+                       qcom,mode = <GSBI_PROT_I2C_UART>;
+
+                       serial@16540000 {
+                               status = "ok";
+
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&gsbi6_uart_4pins>;
+                       };
+               };
+
+               gsbi@16600000 {
+                       status = "ok";
+                       qcom,mode = <GSBI_PROT_I2C_UART>;
+                       serial@16640000 {
+                               status = "ok";
+                       };
+               };
+
+               /* OTG */
+               phy@12500000 {
+                       status          = "okay";
+                       vddcx-supply    = <&pm8921_s3>;
+                       v3p3-supply     = <&pm8921_l3>;
+                       v1p8-supply     = <&pm8921_l4>;
+               };
+
+               gadget@12500000 {
+                       status = "okay";
+               };
+
+               /* OTG */
+               usb@12500000 {
+                       status = "okay";
+               };
+
+               amba {
+                       /* eMMC */
+                       sdcc@12400000 {
+                               status = "okay";
+                               vmmc-supply = <&pm8921_l5>;
+                               vqmmc-supply = <&pm8921_s4>;
+                       };
+               };
+       };
+};