Subject: [PATCH v3] ARM: apq8064: Add pinmux and i2c pinctrl nodes

From: [email-masked] (Andy Gross)
Date: Mon, 15 Sep 2014 21:39:22 -0500

On Tue, Aug 26, 2014 at 05:00:45PM +0530, Kiran Padwal wrote:
> This patch adds pinmux and i2c pinctrl DT node for IFC6410 board.
> It also adds necessary DT support for i2c eeprom which is present on
> IFC6410.
> 
> Tested on IFC6410 board.

Looks fine

> 
> Signed-off-by: Kiran Padwal <[email-masked]>
> ---
> Changes since v2:
>  - Renamed pinmux i2c subnode "i2c1_pinmux" to "i2c1".
>  - Removed labes of node.
>  - Used canonical value as "okay" instead of "ok".
>  - Used macros.
> 
> Changes since v1:
>  - Renamed pinmux phandle "qcom_pinmux" to "tlmm_pinmux".
>  - Updated pinmux interrupt.
> 
>  arch/arm/boot/dts/qcom-apq8064-ifc6410.dts |   27 ++++++++++++++
>  arch/arm/boot/dts/qcom-apq8064.dtsi        |   53 ++++++++++++++++++++++++++++
>  2 files changed, 80 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> index 7c2441d..ef0857e 100644
> --- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> +++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> @@ -5,6 +5,24 @@
>  	compatible = "qcom,apq8064-ifc6410", "qcom,apq8064";
>  
>  	soc {
> +		gsbi at 12440000 {
> +			status = "okay";
> +			qcom,mode = <GSBI_PROT_I2C>;
> +
> +			i2c at 12460000 {
> +				status = "okay";
> +				clock-frequency = <200000>;
> +				pinctrl-0 = <&i2c1_pins>;
> +				pinctrl-names = "default";
> +
> +				eeprom: eeprom at 52 {
> +					compatible = "atmel,24c128";
> +					reg = <0x52>;
> +					pagesize = <32>;
> +				};

don't need read only here.  the eeprom is not being used by anything....
thankfully.

> +			};
> +		};
> +
>  		gsbi at 16600000 {
>  			status = "ok";
>  			qcom,mode = <GSBI_PROT_I2C_UART>;
> @@ -12,5 +30,14 @@
>  				status = "ok";
>  			};
>  		};
> +
> +		pinmux at 800000 {
> +			i2c1_pins: i2c1 {
> +				mux {
> +					pins = "gpio20", "gpio21";
> +					function = "gsbi1";
> +				};
> +			};
> +		};
>  	};
>  };
> diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
> index 92bf793..5dddbf3 100644
> --- a/arch/arm/boot/dts/qcom-apq8064.dtsi
> +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
> @@ -89,6 +89,17 @@
>  			cpu-offset = <0x80000>;
>  		};
>  
> +		tlmm_pinmux: pinmux at 800000 {
> +			compatible = "qcom,apq8064-pinctrl";
> +			reg = <0x800000 0x4000>;
> +
> +			gpio-controller;
> +			#gpio-cells = <2>;
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +			interrupts = <0 16 IRQ_TYPE_LEVEL_HIGH>;
> +		};
> +
>  		acc0: clock-controller at 2088000 {
>  			compatible = "qcom,kpss-acc-v1";
>  			reg = <0x02088000 0x1000>, <0x02008000 0x1000>;
> @@ -133,6 +144,48 @@
>  			regulator;
>  		};
>  
> +		gsbi1: gsbi at 12440000 {
> +			status = "disabled";
> +			compatible = "qcom,gsbi-v1.0.0";
> +			reg = <0x12440000 0x100>;
> +			clocks = <&gcc GSBI1_H_CLK>;
> +			clock-names = "iface";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;
> +
> +			i2c1: i2c at 12460000 {
> +				compatible = "qcom,i2c-qup-v1.1.1";
> +				reg = <0x12460000 0x1000>;
> +				interrupts = <0 194 IRQ_TYPE_NONE>;
> +				clocks = <&gcc GSBI1_QUP_CLK>, <&gcc GSBI1_H_CLK>;
> +				clock-names = "core", "iface";
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
> +		};
> +
> +		gsbi2: gsbi at 12480000 {
> +			status = "disabled";
> +			compatible = "qcom,gsbi-v1.0.0";
> +			reg = <0x12480000 0x100>;
> +			clocks = <&gcc GSBI2_H_CLK>;
> +			clock-names = "iface";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;
> +
> +			i2c2: i2c at 124a0000 {
> +				compatible = "qcom,i2c-qup-v1.1.1";
> +				reg = <0x124a0000 0x1000>;
> +				interrupts = <0 196 IRQ_TYPE_NONE>;
> +				clocks = <&gcc GSBI2_QUP_CLK>, <&gcc GSBI2_H_CLK>;
> +				clock-names = "core", "iface";
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
> +		};
> +
>  		gsbi7: gsbi at 16600000 {
>  			status = "disabled";
>  			compatible = "qcom,gsbi-v1.0.0";
> -- 
> 1.7.9.5
> 
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