Hi Aradhya, On Nov 09, 2023 at 00:46:52 +0530, Aradhya Bhatia wrote: > The Hot Plug Detect (HPD) signal for the HDMI display travels from the > on-board HDMI connector, through the IO Expander 1, and finally to the > main_gpio1 line #23, of the SoC. > > Add interrupt information for the IO Expander 1 (exp1). > Also add pinmux info of main gpio 1, line #23. > > Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx> Reviewed-by: Jai Luthra <j-luthra@xxxxxx> > --- > > Notes: > > - HDMI display on AM62A7 is not in the mainline yet. All the patches, > including this one, required to enable HDMI display and HPD on > AM62A7 SK-EVM, can be found on my github fork in the branch > "next_am62a-v3"[0]. > > [0]: https://github.com/aradhya07/linux-ab/tree/next_am62a-v3 > > arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts > index 8f64ac2c7568..560dad02ef62 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts > +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts > @@ -274,6 +274,12 @@ AM62AX_IOPAD(0x08c, PIN_OUTPUT, 2) /* (K19) GPMC0_WEn.MCASP1_AXR0 */ > AM62AX_IOPAD(0x084, PIN_INPUT, 2) /* (L18) GPMC0_ADVn_ALE.MCASP1_AXR2 */ > >; > }; > + > + main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-default-pins { > + pinctrl-single,pins = < > + AM62AX_IOPAD(0x01d4, PIN_INPUT, 7) /* (C15) UART0_RTSn.GPIO1_23 */ > + >; > + }; > }; > > &mcu_pmx0 { > @@ -407,6 +413,12 @@ exp1: gpio@22 { > reg = <0x22>; > gpio-controller; > #gpio-cells = <2>; > + interrupt-parent = <&main_gpio1>; > + interrupts = <23 IRQ_TYPE_EDGE_FALLING>; > + interrupt-controller; > + #interrupt-cells = <2>; > + pinctrl-names = "default"; > + pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>; > > gpio-line-names = "GPIO_CPSW2_RST", "GPIO_CPSW1_RST", > "BT_EN_SOC", "MMC1_SD_EN", > > base-commit: 2220f68f4504aa1ccce0fac721ccdb301e9da32f > -- > 2.42.0 > -- Thanks, Jai GPG Fingerprint: 4DE0 D818 E5D5 75E8 D45A AFC5 43DE 91F9 249A 7145
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