Commit 84b29c38 authored by Keith Short's avatar Keith Short Committed by Christopher Friedt
Browse files

npcx: Disable I2C controllers by default 



The NPCX I2C implementation contains two modules, an I2C port and an
I2C controller.  Disable the I2C controller nodes by default and require
the user to enable both the I2C port and controller in the devicetree.

Signed-off-by: default avatarKeith Short <keithshort@google.com>
parent 7db3dfd4

boards/arm/npcx7m6fb_evb/npcx7m6fb_evb.dts

+4 −0
Original line number Diff line number Diff line
@@ -90,6 +90,10 @@ 
	clock-frequency = <I2C_BITRATE_FAST>;

};



&i2c_ctrl0 {

	status = "okay";

};



&tach1 {

	status = "okay";

	pinctrl-0 = <&alt3_ta1_sl1>; /* Use TA1_SL1 (PIN40) as input pin */

boards/arm/npcx9m6f_evb/npcx9m6f_evb.dts

+4 −0
Original line number Diff line number Diff line
@@ -103,6 +103,10 @@ 
	clock-frequency = <I2C_BITRATE_FAST>;

};



&i2c_ctrl0 {

	status = "okay";

};



&tach1 {

	status = "okay";

	pinctrl-0 = <&alt3_ta1_sl1>; /* Use TA1_SL1 (PIN40) as input pin */

dts/arm/nuvoton/npcx.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -425,6 +425,7 @@ 
			interrupts = <13 3>;

			clocks = <&pcc NPCX_CLOCK_BUS_APB3 NPCX_PWDWN_CTL3 0>;

			label = "I2CCTRL_0";

			status = "disabled";

		};



		i2c_ctrl1: i2c@4000b000 {
@@ -433,6 +434,7 @@ 
			interrupts = <14 3>;

			clocks = <&pcc NPCX_CLOCK_BUS_APB3 NPCX_PWDWN_CTL3 1>;

			label = "I2CCTRL_1";

			status = "disabled";

		};



		i2c_ctrl2: i2c@400c0000 {
@@ -441,6 +443,7 @@ 
			interrupts = <36 3>;

			clocks = <&pcc NPCX_CLOCK_BUS_APB2 NPCX_PWDWN_CTL3 2>;

			label = "I2CCTRL_2";

			status = "disabled";

		};



		i2c_ctrl3: i2c@400c2000 {
@@ -449,6 +452,7 @@ 
			interrupts = <37 3>;

			clocks = <&pcc NPCX_CLOCK_BUS_APB2 NPCX_PWDWN_CTL3 3>;

			label = "I2CCTRL_3";

			status = "disabled";

		};



		i2c_ctrl4: i2c@40008000 {
@@ -457,6 +461,7 @@ 
			interrupts = <19 3>;

			clocks = <&pcc NPCX_CLOCK_BUS_APB3 NPCX_PWDWN_CTL3 4>;

			label = "I2CCTRL_4";

			status = "disabled";

		};



		i2c_ctrl5: i2c@40017000 {
@@ -465,6 +470,7 @@ 
			interrupts = <20 3>;

			clocks = <&pcc NPCX_CLOCK_BUS_APB3 NPCX_PWDWN_CTL7 0>;

			label = "I2CCTRL_5";

			status = "disabled";

		};



		i2c_ctrl6: i2c@40018000 {
@@ -473,6 +479,7 @@ 
			interrupts = <16 3>;

			clocks = <&pcc NPCX_CLOCK_BUS_APB3 NPCX_PWDWN_CTL7 1>;

			label = "I2CCTRL_6";

			status = "disabled";

		};



		i2c_ctrl7: i2c@40019000 {
@@ -481,6 +488,7 @@ 
			interrupts = <8 3>;

			clocks = <&pcc NPCX_CLOCK_BUS_APB3 NPCX_PWDWN_CTL7 2>;

			label = "I2CCTRL_7";

			status = "disabled";

		};



		tach1: tach@400e1000 {

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