kernel_samsung_a34x-permissive/arch/arm64/boot/dts/samsung/nfc_lsi.dtsi

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#if 0
#if 0
&${ese_check_parent} {
	ese_check_default: check_default {
		pins_cmd_dat {
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(${ese_check}), 0)>;
			input-enable;
			bias-disable;
		};
	};
};
#endif

&${ese_spi_parent} {
	ese_spi_bus: ese_spi_bus {
		pins_cmd_dat {
			/* spi func is 2, but this can be different by AP */
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_miso}), 2)>,
				<MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_mosi}), 2)>,
				<MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_cs}), 2)>,
				<MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_clk}), 2)>;
			bias-disable;
		};
	};

	ese_spi_bus_suspend: ese_spi_bus_suspend {
		pins_cmd_dat {
			/* spi func is 2, but this can be different by AP */
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_miso}), 0)>,
				<MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_mosi}), 0)>,
				<MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_clk}), 0)>;
			input-enable;
			bias-pull-down;
		};
	};

	/*need cs pin controlled by ese driver*/
	ese_spi_cs: ese_spi_cs {
		pins_cmd_dat {
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_cs}), 0)>;
			output-high;
			bias-disable;
		};
	};

	ese_spi_cs_suspend: ese_spi_cs_suspend {
		pins_cmd_dat {
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(${ese_spi_cs}), 0)>;
			output-high;
			bias-disable;
		};
	};
};

&${ese_spi} {
	status = "ok";
	pinctrl-names = "ese_active", "ese_suspend";
	pinctrl-0 = <&ese_spi_bus>;
	pinctrl-1 = <&ese_spi_bus_suspend &ese_spi_cs_suspend>;

	ese_spi@0 {
		compatible = "ese_p3";
		reg = <0>;
		spi-max-frequency = <7000000>;
#if 0
		ese-det-gpio = <SEC_GPIO_REF(${ese_check}) 0>;
		pinctrl-names = "default";
		pinctrl-0 = <&ese_check_default>;
#endif
#if 0
		p3-vdd-supply = <&${ese_pvdd_ldo}>;
#endif
		/*need cs pin controlled by ese driver*/
		/*ese_p3,cs-gpio = <SEC_GPIO_REF(${ese_spi_cs}) 0>;*/
	};
};

#if 0
/ {
	fragment@ese_platform {
		target-path = "/";
		__overlay__ {
			ese_platform {
				compatible = "p3_platform";
			};
		};
	};
};
#endif
#endif


&pio {
	nfc_ven: nfc_ven {
		pins_cmd_dat{
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,107), 0)>;
			output-high;
			bias-disable;
		};
	};
	ven_nc: ven_nc {
		pins_cmd_dat{
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,107), 0)>;
			input-enable;
			bias-pull-down;
		};
	};
};

&pio {
	nfc_firm: nfc_firm {
		pins_cmd_dat{
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,108), 0)>;
			output-low;
			bias-disable;
		};
	};
	firm_nc: firm_nc {
		pins_cmd_dat{
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,108), 0)>;
			input-enable;
			bias-pull-down;
		};
	};
};

&pio {
	nfc_clk_req: nfc_clk_req {
		pins_cmd_dat{
			pinmux =  <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,13), 0)>;
			input-enable;
			bias-pull-down;
		};
	};
	clk_req_nc: clk_req_nc {
		pins_cmd_dat{
			pinmux =  <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,13), 0)>;
			input-enable;
			bias-pull-down;
		};
	};
};

&pio {
	nfc_irq: nfc_irq {
		pins_cmd_dat {
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,11), 0)>;
			input-enable;
			bias-pull-down;
		};
	};

	irq_nc: irq_nc {
		pins_cmd_dat {
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,11), 0)>;
			input-enable;
			bias-pull-down;
		};
	};
};

#if 1
&pio {
	nfc_check: nfc_check {
		pins_cmd_dat {
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(AP,pio,90), 0)>;
			input-enable;
			bias-disable;
		};
	};
};
#endif

#if 0
&${sw_parent} {
	nfc_sw: nfc_sw {
		pins_cmd_dat {
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(${sw_gpio}), 0)>;
			output-low;
			bias-disable;
		};
	};
	sw_nc: sw_nc {
		pins_cmd_dat {
			pinmux = <MTK_PINMUX(SEC_GPIO_NUM(${sw_gpio}), 0)>;
			input-enable;
			bias-pull-down;
		};
	};
};
#endif

&i2c3 {
	status = "ok";
	clock-frequency = <400000>;
	mediatek,use-open-drain;
	sec_nfc: sec-nfc@27 {
		compatible = "sec-nfc";
		reg = <0x27>;
		interrupt-parent = <&pio>;
		interrupts = <SEC_GPIO_NUM(AP,pio,11) IRQ_TYPE_EDGE_RISING
			SEC_GPIO_NUM(AP,pio,11) 0>;
		sec-nfc,irq-gpio = <SEC_GPIO_REF(AP,pio,11) 0>;
		sec-nfc,ven-gpio = <SEC_GPIO_REF(AP,pio,107) 0>;
		sec-nfc,firm-gpio = <SEC_GPIO_REF(AP,pio,108) 0>;
		sec-nfc,clk_req-gpio = <SEC_GPIO_REF(AP,pio,13) 0>;
#if 1
		nfc_pvdd-supply = <&mt_pmic_vfp_ldo_reg>;
#endif
#if 1
		sec-nfc,check_nfc = <SEC_GPIO_REF(AP,pio,90) 0>;
#endif
#if 0
		sec-nfc,coldreset-gpio = <SEC_GPIO_REF(${ese_reset}) 0>;
#endif
		sec-nfc,clk_req_wake;
		sec-nfc,ldo_control;
/*		sec-nfc,pvdd-gpio = <&pio 154 0>;*/
#if 0
		sec-nfc,sw-gpio = <SEC_GPIO_REF(${sw_gpio}) 0>;
#endif
		sec-nfc,bootloader_ver = <6>;
		/*sec-nfc,irq_all_trigger;*/
		pinctrl-names = "default", "nfc_nc";

		pinctrl-0 = <&nfc_ven &nfc_firm &nfc_clk_req &nfc_irq
#if 1
					&nfc_check 
#endif
#if 0
					&nfc_sw
#endif
					>;
		pinctrl-1 = <&ven_nc &firm_nc &clk_req_nc &irq_nc
#if 0
					&sw_nc
#endif
					>;
	};
};