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ARM: dts: mxs: add hog-gpios for imx23-evk and imx28-evk

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Before gpio_request can directly ask pinctrl system to configure the
requested pin into gpio mode, we use "hog" entry (pinctrl state of
pin controller itself) to configure gpios.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2012-06-28 11:44:58 +08:00
parent f14da76788
commit d54dbb5000
2 changed files with 38 additions and 0 deletions
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17
arch/arm/boot/dts/imx23-evk.dts
View file

@ -30,6 +30,23 @@ ssp0: ssp@80010000 {
wp-gpios = <&gpio1 30 0>;
status = "okay";
};
pinctrl@80018000 {
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_a>;
hog_pins_a: hog-gpios@0 {
reg = <0>;
fsl,pinmux-ids = <
0x1123 /* MX23_PAD_LCD_RESET__GPIO_1_18 */
0x11d3 /* MX23_PAD_PWM3__GPIO_1_29 */
0x11e3 /* MX23_PAD_PWM4__GPIO_1_30 */
>;
fsl,drive-strength = <0>;
fsl,voltage = <1>;
fsl,pull-up = <0>;
};
};
};
apbx@80040000 {

21
arch/arm/boot/dts/imx28-evk.dts
View file

@ -44,6 +44,27 @@ ssp1: ssp@80012000 {
wp-gpios = <&gpio0 28 0>;
status = "okay";
};
pinctrl@80018000 {
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_a>;
hog_pins_a: hog-gpios@0 {
reg = <0>;
fsl,pinmux-ids = <
0x20d3 /* MX28_PAD_SSP1_CMD__GPIO_2_13 */
0x20f3 /* MX28_PAD_SSP1_DATA3__GPIO_2_15 */
0x40d3 /* MX28_PAD_ENET0_RX_CLK__GPIO_4_13 */
0x20c3 /* MX28_PAD_SSP1_SCK__GPIO_2_12 */
0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */
0x31e3 /* MX28_PAD_LCD_RESET__GPIO_3_30 */
0x3053 /* MX28_PAD_AUART1_TX__GPIO_3_5 */
>;
fsl,drive-strength = <0>;
fsl,voltage = <1>;
fsl,pull-up = <0>;
};
};
};
apbx@80040000 {