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Commit 13b4569b authored by Maxime Ripard's avatar Maxime Ripard Committed by Shawn Guo
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ARM: dts: cfa10049: Add the 74HC595 gpio expanders 



Add the two daisy-chains of 74hc595s shift registers available on the
CFA-10049.

Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent acd3b69f

arch/arm/boot/dts/imx28-cfa10049.dts

+21 −0
Original line number Original line Diff line number Diff line
@@ -27,6 +27,8 @@ 
					fsl,pinmux-ids = <

					fsl,pinmux-ids = <

						0x0181 /* MX28_PAD_GPMI_RDN__SSP3_SCK */

						0x0181 /* MX28_PAD_GPMI_RDN__SSP3_SCK */

						0x01c1 /* MX28_PAD_GPMI_RESETN__SSP3_CMD */

						0x01c1 /* MX28_PAD_GPMI_RESETN__SSP3_CMD */

						0x0111 /* MX28_PAD_GPMI_CE1N__SSP3_D3 */

						0x01a2 /* MX28_PAD_GPMI_ALE__SSP3_D4 */

					>;

					>;

					fsl,drive-strength = <1>;

					fsl,drive-strength = <1>;

					fsl,voltage = <1>;

					fsl,voltage = <1>;
@@ -39,6 +41,25 @@ 
				pinctrl-names = "default";

				pinctrl-names = "default";

				pinctrl-0 = <&spi3_pins_cfa10049>;

				pinctrl-0 = <&spi3_pins_cfa10049>;

				status = "okay";

				status = "okay";



				gpio5: gpio5@0 {

					compatible = "fairchild,74hc595";

					gpio-controller;

					#gpio-cells = <2>;

					reg = <0>;

					registers-number = <2>;

					spi-max-frequency = <100000>;

				};



				gpio6: gpio6@1 {

					compatible = "fairchild,74hc595";

					gpio-controller;

					#gpio-cells = <2>;

					reg = <1>;

					registers-number = <4>;

					spi-max-frequency = <100000>;

				};



			};

			};

		};

		};