Add support for i2c controller on the DB8074 board.
It also adds necessary DT support for i2c eeprom which is present on
DB8074 board.
Signed-off-by: Kiran Padwal <kiran.padwal@xxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/qcom-apq8074-dragonboard.dts | 21 +++++++++++++++++++++
arch/arm/boot/dts/qcom-msm8974.dtsi | 15 +++++++++++++--
2 files changed, 34 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
index b4dfb01..4737049 100644
--- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
+++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
@@ -22,6 +22,13 @@
pinctrl@fd510000 {
+ i2c11_pins: i2c11 {
+ mux {
+ pins = "gpio83", "gpio84";
+ function = "blsp_i2c11";
+ };
+ };
+
spi8_default: spi8_default {
mosi {
pins = "gpio45";
@@ -41,5 +48,19 @@
};
};
};
+
+ i2c@f9967000 {
+ status = "okay";
+ clock-frequency = <200000>;
+ pinctrl-0 = <&i2c11_pins>;
+ pinctrl-names = "default";
+
+ eeprom: eeprom@52 {
+ compatible = "atmel,24c128";
+ reg = <0x52>;
+ pagesize = <32>;
+ read-only;
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 69dca2a..e265ec1 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -1,8 +1,8 @@
/dts-v1/;
-#include "skeleton.dtsi"
-
+#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/qcom,gcc-msm8974.h>
+#include "skeleton.dtsi"
/ {
model = "Qualcomm MSM8974";
@@ -236,5 +236,16 @@
#interrupt-cells = <2>;
interrupts = <0 208 0>;
};
+
+ blsp_i2c11: i2c@f9967000 {
+ status = "disable";
+ compatible = "qcom,i2c-qup-v2.1.1";
+ reg = <0xf9967000 0x1000>;
+ interrupts = <0 105 IRQ_TYPE_NONE>;
+ clocks = <&gcc GCC_BLSP2_QUP5_I2C_APPS_CLK>, <&gcc GCC_BLSP2_AHB_CLK>;
+ clock-names = "core", "iface";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
};
};
--
1.7.9.5
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