[PATCH v1 6/7] ARM: dts: apq8064: Add DT support for GSBI6 and for UART pin mux

Srinivas Kandagatla
2015-07-27T13:52:21Z

From: Pramod Gurav <pramod.gurav@smartplayin.com>

This change adds DT support for GSBI6 and muxes the gpio pins
as UART lines. Also defines a alias for serial port on these lines.

Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
[Srinivas Kandagatla]: fix pinctrl location and rename alias correctly
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
arch/arm/boot/dts/qcom-apq8064-ifc6410.dts | 13 +++++++++++++
arch/arm/boot/dts/qcom-apq8064.dtsi | 30 +++++++++++++++++++++++++++++-
2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index cdfcf02..ec6a736 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -7,6 +7,7 @@

aliases {
serial0 = &gsbi7_serial;
+ serial1 = &gsbi6_serial;
};

soc {
@@ -125,6 +126,18 @@
};
};

+ gsbi@16500000 {
+ status = "ok";
+ qcom,mode = <GSBI_PROT_I2C_UART>;
+
+ serial@16540000 {
+ status = "ok";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart_pins>;
+ };
+ };
+
gsbi@16600000 {
status = "ok";
qcom,mode = <GSBI_PROT_I2C_UART>;
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index da214f1..b7c282b 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -126,6 +126,13 @@
function = "gsbi3";
};
};
+
+ uart_pins: uart_pins {
+ mux {
+ pins = "gpio14", "gpio15", "gpio16", "gpio17";
+ function = "gsbi6";
+ };
+ };
};

intc: interrupt-controller@2000000 {
@@ -248,7 +255,6 @@
#address-cells = <1>;
#size-cells = <1>;
ranges;
-
i2c3: i2c@16280000 {
compatible = "qcom,i2c-qup-v1.1.1";
reg = <0x16280000 0x1000>;
@@ -259,6 +265,28 @@
};
};

+ gsbi6: gsbi@16500000 {
+ status = "disabled";
+ compatible = "qcom,gsbi-v1.0.0";
+ cell-index = <6>;
+ reg = <0x16500000 0x03>;
+ clocks = <&gcc GSBI6_H_CLK>;
+ clock-names = "iface";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ gsbi6_serial: serial@16540000 {
+ compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm";
+ reg = <0x16540000 0x100>,
+ <0x16500000 0x03>;
+ interrupts = <0 156 0x0>;
+ clocks = <&gcc GSBI6_UART_CLK>, <&gcc GSBI6_H_CLK>;
+ clock-names = "core", "iface";
+ status = "disabled";
+ };
+ };
+
gsbi7: gsbi@16600000 {
status = "disabled";
compatible = "qcom,gsbi-v1.0.0";
--
1.9.1