J721s2 has two instances of 8 channel ADCs in MCU domain. Add support for both ADC nodes. Signed-off-by: Bhavya Kapoor <b-kapoor@xxxxxx> --- Changelog v5->v6: - Added pinmux for ADCs link to v5 patch : https://lore.kernel.org/all/20230314095553.110559-1-b-kapoor@xxxxxx/ Testlog for v6 : https://gist.github.com/a0498981/c70327e178cb11c09b8df757e772e9be .../dts/ti/k3-j721s2-common-proc-board.dts | 44 +++++++++++++++++++ .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 40 +++++++++++++++++ 2 files changed, 84 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts index a7aa6cf08acd..b4b9edfe2d12 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts @@ -197,6 +197,32 @@ mcu_mcan1_gpio_pins_default: mcu-mcan1-gpio-pins-default { J721S2_WKUP_IOPAD(0x0c8, PIN_INPUT, 7) /* (C28) WKUP_GPIO0_2 */ >; }; + + mcu_adc0_pins_default: mcu-adc0-pins-default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x134, PIN_INPUT, 0) /* (L25) MCU_ADC0_AIN0 */ + J721S2_WKUP_IOPAD(0x138, PIN_INPUT, 0) /* (K25) MCU_ADC0_AIN1 */ + J721S2_WKUP_IOPAD(0x13c, PIN_INPUT, 0) /* (M24) MCU_ADC0_AIN2 */ + J721S2_WKUP_IOPAD(0x140, PIN_INPUT, 0) /* (L24) MCU_ADC0_AIN3 */ + J721S2_WKUP_IOPAD(0x144, PIN_INPUT, 0) /* (L27) MCU_ADC0_AIN4 */ + J721S2_WKUP_IOPAD(0x148, PIN_INPUT, 0) /* (K24) MCU_ADC0_AIN5 */ + J721S2_WKUP_IOPAD(0x14c, PIN_INPUT, 0) /* (M27) MCU_ADC0_AIN6 */ + J721S2_WKUP_IOPAD(0x150, PIN_INPUT, 0) /* (M26) MCU_ADC0_AIN7 */ + >; + }; + + mcu_adc1_pins_default: mcu-adc1-pins-default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x154, PIN_INPUT, 0) /* (P25) MCU_ADC1_AIN0 */ + J721S2_WKUP_IOPAD(0x158, PIN_INPUT, 0) /* (R25) MCU_ADC1_AIN1 */ + J721S2_WKUP_IOPAD(0x15c, PIN_INPUT, 0) /* (P28) MCU_ADC1_AIN2 */ + J721S2_WKUP_IOPAD(0x160, PIN_INPUT, 0) /* (P27) MCU_ADC1_AIN3 */ + J721S2_WKUP_IOPAD(0x164, PIN_INPUT, 0) /* (N25) MCU_ADC1_AIN4 */ + J721S2_WKUP_IOPAD(0x168, PIN_INPUT, 0) /* (P26) MCU_ADC1_AIN5 */ + J721S2_WKUP_IOPAD(0x16c, PIN_INPUT, 0) /* (N26) MCU_ADC1_AIN6 */ + J721S2_WKUP_IOPAD(0x170, PIN_INPUT, 0) /* (N27) MCU_ADC1_AIN7 */ + >; + }; }; &main_gpio2 { @@ -309,3 +335,21 @@ &mcu_mcan1 { pinctrl-0 = <&mcu_mcan1_pins_default>; phys = <&transceiver2>; }; + +&tscadc0 { + pinctrl-0 = <&mcu_adc0_pins_default>; + pinctrl-names = "default"; + status = "okay"; + adc { + ti,adc-channels = <0 1 2 3 4 5 6 7>; + }; +}; + +&tscadc1 { + pinctrl-0 = <&mcu_adc1_pins_default>; + pinctrl-names = "default"; + status = "okay"; + adc { + ti,adc-channels = <0 1 2 3 4 5 6 7>; + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi index 0af242aa9816..5da5f0cf7009 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi @@ -306,4 +306,44 @@ cpts@3d000 { ti,cpts-periodic-outputs = <2>; }; }; + + tscadc0: tscadc@40200000 { + compatible = "ti,am3359-tscadc"; + reg = <0x00 0x40200000 0x00 0x1000>; + interrupts = <GIC_SPI 860 IRQ_TYPE_LEVEL_HIGH>; + power-domains = <&k3_pds 0 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 0 0>; + assigned-clocks = <&k3_clks 0 2>; + assigned-clock-rates = <60000000>; + clock-names = "fck"; + dmas = <&main_udmap 0x7400>, + <&main_udmap 0x7401>; + dma-names = "fifo0", "fifo1"; + status = "disabled"; + + adc { + #io-channel-cells = <1>; + compatible = "ti,am3359-adc"; + }; + }; + + tscadc1: tscadc@40210000 { + compatible = "ti,am3359-tscadc"; + reg = <0x00 0x40210000 0x00 0x1000>; + interrupts = <GIC_SPI 861 IRQ_TYPE_LEVEL_HIGH>; + power-domains = <&k3_pds 1 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 1 0>; + assigned-clocks = <&k3_clks 1 2>; + assigned-clock-rates = <60000000>; + clock-names = "fck"; + dmas = <&main_udmap 0x7402>, + <&main_udmap 0x7403>; + dma-names = "fifo0", "fifo1"; + status = "disabled"; + + adc { + #io-channel-cells = <1>; + compatible = "ti,am3359-adc"; + }; + }; }; -- 2.34.1
