This commit enables the NBUS on the TS-4600, using the ts-nbus driver.
---
Changes v3 -> v4:
- rebase on master
- fix vendor prefixes for dts properties (suggested by Rob Herring)
- v3 was acked by Linus Walleij
Changes v2 -> v3:
- rebase on master
Changes v1 -> v2:
- rebase on master
- remove the simple-bus compatibility as the root node will now
populate the child nodes (suggested by Rob Herring)
- add the vendor prefix to all gpio (suggested by Rob Herring)
Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx28-ts4600-common.dtsi | 43 ++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/arch/arm/boot/dts/imx28-ts4600-common.dtsi b/arch/arm/boot/dts/imx28-ts4600-common.dtsi
index 04bd5a5c0cb4..a90bd934e4a3 100644
--- a/arch/arm/boot/dts/imx28-ts4600-common.dtsi
+++ b/arch/arm/boot/dts/imx28-ts4600-common.dtsi
@@ -44,6 +44,28 @@
fsl,pull-up = <MXS_PULL_DISABLE>;
};
+ nbus_pins: nbus_pins {
+ fsl,pinmux-ids = <
+ MX28_PAD_GPMI_D00__GPIO_0_0
+ MX28_PAD_GPMI_D01__GPIO_0_1
+ MX28_PAD_GPMI_D02__GPIO_0_2
+ MX28_PAD_GPMI_D03__GPIO_0_3
+ MX28_PAD_GPMI_D04__GPIO_0_4
+ MX28_PAD_GPMI_D05__GPIO_0_5
+ MX28_PAD_GPMI_D06__GPIO_0_6
+ MX28_PAD_GPMI_D07__GPIO_0_7
+ MX28_PAD_GPMI_CE0N__GPIO_0_16
+ MX28_PAD_GPMI_RDY1__GPIO_0_21
+ MX28_PAD_GPMI_RDN__GPIO_0_24
+ MX28_PAD_GPMI_WRN__GPIO_0_25
+ MX28_PAD_GPMI_ALE__GPIO_0_26
+ >;
+ fsl,drive-strength = <MXS_DRIVE_4mA>;
+ fsl,voltage = <MXS_VOLTAGE_HIGH>;
+ fsl,pull-up = <MXS_PULL_DISABLE>;
+
+ };
+
};
};
@@ -75,4 +97,25 @@
};
};
+ nbus {
+ compatible = "technologic,ts-nbus";
+ pinctrl-0 = <&nbus_pins>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pwms = <&pwm 2 83>;
+ ts,data-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH
+ &gpio0 1 GPIO_ACTIVE_HIGH
+ &gpio0 2 GPIO_ACTIVE_HIGH
+ &gpio0 3 GPIO_ACTIVE_HIGH
+ &gpio0 4 GPIO_ACTIVE_HIGH
+ &gpio0 5 GPIO_ACTIVE_HIGH
+ &gpio0 6 GPIO_ACTIVE_HIGH
+ &gpio0 7 GPIO_ACTIVE_HIGH>;
+ ts,csn-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+ ts,txrx-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
+ ts,strobe-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>;
+ ts,ale-gpios = <&gpio0 26 GPIO_ACTIVE_HIGH>;
+ ts,rdy-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
+ };
+
};
--
2.13.0
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