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ARM: dts: armada388-clearfog: move I2C nodes 

Move the I2C nodes over to use the label form to reference the I2C
controllers, rather than replicating the device node path.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
This commit is contained in:
Russell King 2017-01-02 15:27:21 +00:00 committed by Gregory CLEMENT
parent fce54ee273
commit aa09b30f1b
1 changed files with 120 additions and 125 deletions
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245
arch/arm/boot/dts/armada-388-clearfog.dtsi
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@ -92,131 +92,6 @@ fixed-link {
};
};
i2c@11000 {
/* Is there anything on this? */
clock-frequency = <100000>;
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";
/*
* PCA9655 GPIO expander, up to 1MHz clock.
* 0-CON3 CLKREQ#
* 1-CON3 PERST#
* 2-
* 3-CON3 W_DISABLE
* 4-
* 5-USB3 overcurrent
* 6-USB3 power
* 7-
* 8-JP4 P1
* 9-JP4 P4
* 10-JP4 P5
* 11-m.2 DEVSLP
* 12-SFP_LOS
* 13-SFP_TX_FAULT
* 14-SFP_TX_DISABLE
* 15-SFP_MOD_DEF0
*/
expander0: gpio-expander@20 {
/*
* This is how it should be:
* compatible = "onnn,pca9655",
* "nxp,pca9555";
* but you can't do this because of
* the way I2C works.
*/
compatible = "nxp,pca9555";
gpio-controller;
#gpio-cells = <2>;
reg = <0x20>;
pcie1_0_clkreq {
gpio-hog;
gpios = <0 GPIO_ACTIVE_LOW>;
input;
line-name = "pcie1.0-clkreq";
};
pcie1_0_w_disable {
gpio-hog;
gpios = <3 GPIO_ACTIVE_LOW>;
output-low;
line-name = "pcie1.0-w-disable";
};
usb3_ilimit {
gpio-hog;
gpios = <5 GPIO_ACTIVE_LOW>;
input;
line-name = "usb3-current-limit";
};
usb3_power {
gpio-hog;
gpios = <6 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "usb3-power";
};
m2_devslp {
gpio-hog;
gpios = <11 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "m.2 devslp";
};
sfp_los {
/* SFP loss of signal */
gpio-hog;
gpios = <12 GPIO_ACTIVE_HIGH>;
input;
line-name = "sfp-los";
};
sfp_tx_fault {
/* SFP laser fault */
gpio-hog;
gpios = <13 GPIO_ACTIVE_HIGH>;
input;
line-name = "sfp-tx-fault";
};
sfp_tx_disable {
/* SFP transmit disable */
gpio-hog;
gpios = <14 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "sfp-tx-disable";
};
sfp_mod_def0 {
/* SFP module present */
gpio-hog;
gpios = <15 GPIO_ACTIVE_LOW>;
input;
line-name = "sfp-mod-def0";
};
};
/* The MCP3021 is 100kHz clock only */
mikrobus_adc: mcp3021@4c {
compatible = "microchip,mcp3021";
reg = <0x4c>;
};
/* Also something at 0x64 */
};
i2c@11100 {
/*
* Routed to SFP, mikrobus, and PCIe.
* SFP limits this to 100kHz, and requires
* an AT24C01A/02/04 with address pins tied
* low, which takes addresses 0x50 and 0x51.
* Mikrobus doesn't specify beyond an I2C
* bus being present.
* PCIe uses ARP to assign addresses, or
* 0x63-0x64.
*/
clock-frequency = <100000>;
pinctrl-0 = <&clearfog_i2c1_pins>;
pinctrl-names = "default";
status = "okay";
};
sata@a8000 {
/* pinctrl? */
status = "okay";
@ -272,6 +147,126 @@ pcie@2,0 {
};
};
&i2c0 {
/* Is there anything on this? */
clock-frequency = <100000>;
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";
/*
* PCA9655 GPIO expander, up to 1MHz clock.
* 0-CON3 CLKREQ#
* 1-CON3 PERST#
* 2-
* 3-CON3 W_DISABLE
* 4-
* 5-USB3 overcurrent
* 6-USB3 power
* 7-
* 8-JP4 P1
* 9-JP4 P4
* 10-JP4 P5
* 11-m.2 DEVSLP
* 12-SFP_LOS
* 13-SFP_TX_FAULT
* 14-SFP_TX_DISABLE
* 15-SFP_MOD_DEF0
*/
expander0: gpio-expander@20 {
/*
* This is how it should be:
* compatible = "onnn,pca9655", "nxp,pca9555";
* but you can't do this because of the way I2C works.
*/
compatible = "nxp,pca9555";
gpio-controller;
#gpio-cells = <2>;
reg = <0x20>;
pcie1_0_clkreq {
gpio-hog;
gpios = <0 GPIO_ACTIVE_LOW>;
input;
line-name = "pcie1.0-clkreq";
};
pcie1_0_w_disable {
gpio-hog;
gpios = <3 GPIO_ACTIVE_LOW>;
output-low;
line-name = "pcie1.0-w-disable";
};
usb3_ilimit {
gpio-hog;
gpios = <5 GPIO_ACTIVE_LOW>;
input;
line-name = "usb3-current-limit";
};
usb3_power {
gpio-hog;
gpios = <6 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "usb3-power";
};
m2_devslp {
gpio-hog;
gpios = <11 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "m.2 devslp";
};
sfp_los {
/* SFP loss of signal */
gpio-hog;
gpios = <12 GPIO_ACTIVE_HIGH>;
input;
line-name = "sfp-los";
};
sfp_tx_fault {
/* SFP laser fault */
gpio-hog;
gpios = <13 GPIO_ACTIVE_HIGH>;
input;
line-name = "sfp-tx-fault";
};
sfp_tx_disable {
/* SFP transmit disable */
gpio-hog;
gpios = <14 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "sfp-tx-disable";
};
sfp_mod_def0 {
/* SFP module present */
gpio-hog;
gpios = <15 GPIO_ACTIVE_LOW>;
input;
line-name = "sfp-mod-def0";
};
};
/* The MCP3021 is 100kHz clock only */
mikrobus_adc: mcp3021@4c {
compatible = "microchip,mcp3021";
reg = <0x4c>;
};
/* Also something at 0x64 */
};
&i2c1 {
/*
* Routed to SFP, mikrobus, and PCIe.
* SFP limits this to 100kHz, and requires an AT24C01A/02/04 with
* address pins tied low, which takes addresses 0x50 and 0x51.
* Mikrobus doesn't specify beyond an I2C bus being present.
* PCIe uses ARP to assign addresses, or 0x63-0x64.
*/
clock-frequency = <100000>;
pinctrl-0 = <&clearfog_i2c1_pins>;
pinctrl-names = "default";
status = "okay";
};
&pinctrl {
clearfog_i2c1_pins: i2c1-pins {
/* SFP, PCIe, mSATA, mikrobus */