@@ -160,6 +160,19 @@
};
};
+ dragon_gsbi8_i2c_pins: gsbi8_i2c {
+ mux {
+ pins = "gpio64", "gpio65";
+ function = "gsbi8";
+ };
+ pinconf {
+ pins = "gpio64", "gpio65";
+ drive-strength = <16>;
+ /* These have external pull-up 2.2kOhm to 1.8V */
+ bias-disable;
+ };
+ };
+
dragon_gsbi12_i2c_pins: gsbi12_i2c {
mux {
pins = "gpio115", "gpio116";
@@ -368,6 +381,42 @@
};
};
+ gsbi@19800000 {
+ status = "ok";
+ qcom,mode = <GSBI_PROT_I2C>;
+
+ i2c@19880000 {
+ status = "ok";
+ pinctrl-names = "default";
+ pinctrl-0 = <&dragon_gsbi8_i2c_pins>;
+
+ eeprom@52 {
+ /* A 16KiB Platform ID EEPROM on the CPU carrier board */
+ compatible = "atmel,24c128";
+ reg = <0x52>;
+ vcc-supply = <&pm8058_s3>;
+ pagesize = <64>;
+ };
+ wm8903: wm8903@1a {
+ /* This Woolfson Micro device has an unrouted interrupt line */
+ compatible = "wlf,wm8903";
+ reg = <0x1a>;
+
+ AVDD-supply = <&pm8058_l16>;
+ CPVDD-supply = <&pm8058_l16>;
+ DBVDD-supply = <&pm8058_s3>;
+ DCVDD-supply = <&pm8058_l0>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ micdet-cfg = <0>;
+ micdet-delay = <100>;
+ gpio-cfg = <0xffffffff 0xffffffff 0 0xffffffff 0xffffffff>;
+ };
+ };
+ };
+
gsbi@19c00000 {
status = "ok";
qcom,mode = <GSBI_PROT_I2C_UART>;
The APQ8060 Dragonboard has an Atmel AT24c128 EEPROM and a Wolfson Micro WM8903 codec connected to its GSBI8 I2C bus. Add entries for these to the device tree. The interrupt line from the WM8903 chip is not routed anywhere on this design so it can not be used. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- arch/arm/boot/dts/qcom-apq8060-dragonboard.dts | 49 ++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html