[PATCH v5 7/7] ARM: dts: ti: cpcap-mapphone: add USB safe pinctrl state
Ivaylo Dimitrov <[email protected]> Sat, 11 Jul 2026 23:42:10 +0300
| Newsgroups | org.kernel.vger.linux-omap,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-gpio,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Add a pinctrl state that configures the USB interface pins into a safe GPIO configuration. This allows the CPCAP USB PHY driver to place the pins into a defined state whenever the USB interface is not active. Signed-off-by: Ivaylo Dimitrov <[email protected]> --- .../dts/ti/omap/motorola-cpcap-mapphone.dtsi | 3 ++- .../dts/ti/omap/motorola-mapphone-common.dtsi | 19 +++++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/ti/omap/motorola-cpcap-mapphone.dtsi b/arch/arm/boot/dts/ti/omap/motorola-cpcap-mapphone.dtsi index 51a858021541..368cb539997f 100644 --- a/arch/arm/boot/dts/ti/omap/motorola-cpcap-mapphone.dtsi +++ b/arch/arm/boot/dts/ti/omap/motorola-cpcap-mapphone.dtsi @@ -120,7 +120,8 @@ cpcap_usb2_phy: phy { pinctrl-1 = <&usb_ulpi_pins>; pinctrl-2 = <&usb_utmi_pins>; pinctrl-3 = <&uart3_pins>; - pinctrl-names = "default", "ulpi", "utmi", "uart"; + pinctrl-4 = <&usb_safe_pins>; + pinctrl-names = "default", "ulpi", "utmi", "uart", "safe"; #phy-cells = <0>; interrupts-extended = <&cpcap 15 0>, <&cpcap 14 0>, <&cpcap 28 0>, diff --git a/arch/arm/boot/dts/ti/omap/motorola-mapphone-common.dtsi b/arch/arm/boot/dts/ti/omap/motorola-mapphone-common.dtsi index acac3c243c7a..475ffe678e76 100644 --- a/arch/arm/boot/dts/ti/omap/motorola-mapphone-common.dtsi +++ b/arch/arm/boot/dts/ti/omap/motorola-mapphone-common.dtsi @@ -352,6 +352,25 @@ OMAP4_IOPAD(0x1c8, PIN_INPUT_PULLUP | MUX_MODE7) >; }; + usb_safe_pins: usb-safe-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x196, MUX_MODE7) + OMAP4_IOPAD(0x198, MUX_MODE7) + OMAP4_IOPAD(0x1b2, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1b4, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1b6, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1b8, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1ba, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1bc, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1be, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1c0, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1c2, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1c4, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1c6, PIN_INPUT_PULLUP | MUX_MODE7) + OMAP4_IOPAD(0x1c8, PIN_INPUT_PULLUP | MUX_MODE7) + >; + }; + /* * Note that the v3.0.8 stock userspace dynamically remuxes uart1 * rts pin probably for PM purposes to PIN_INPUT_PULLUP | MUX_MODE7 -- 2.39.5