PROCESSOR-SDK-AM62X: facing issues to enable spi

// SPDX-License-Identifier: GPL-2.0
/*
 * AM625 SK: https://www.ti.com/lit/zip/sprr448
 *
 * Copyright (C) 2021-2022 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;

#include "k3-am62x-sk-common.dtsi"

/ {
	compatible = "ti,am625-sk", "ti,am625";
	model = "Texas Instruments AM625 SK";

	opp-table {
		/* Add 1.4GHz OPP for am625-sk board. Requires VDD_CORE to be at 0.85V */
		opp-1400000000 {
			opp-hz = /bits/ 64 <1400000000>;
			opp-supported-hw = <0x01 0x0004>;
			clock-latency-ns = <6000000>;
		};
	};

	memory@80000000 {
		device_type = "memory";
		/* 2G RAM */
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
	};

	/* Regulators */
	vmain_pd: regulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "vmain_pd";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
	};

	vcc_5v0: regulator-1 {
		compatible = "regulator-fixed";
		regulator-name = "vcc_5v0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&vmain_pd>;
		regulator-always-on;
		regulator-boot-on;
	};

	vcc_3v3_sys: regulator-2 {
		compatible = "regulator-fixed";
		regulator-name = "vcc_3v3_sys";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vmain_pd>;
		regulator-always-on;
		regulator-boot-on;
	};

	vdd_mmc1: regulator-3 {
		compatible = "regulator-fixed";
		regulator-name = "vdd_mmc1";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		enable-active-high;
		vin-supply = <&vcc_3v3_sys>;
		gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
	};

	vdd_sd_dv: regulator-4 {
		compatible = "regulator-gpio";
		regulator-name = "tlv71033";
		pinctrl-names = "default";
		pinctrl-0 = <&vdd_sd_dv_pins_default>;
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		vin-supply = <&vcc_5v0>;
		gpios = <&main_gpio0 31 GPIO_ACTIVE_HIGH>;
		states = <1800000 0x0>,
			 <3300000 0x1>;
	};

	vcc_1v8: regulator-5 {
		compatible = "regulator-fixed";
		regulator-name = "vcc_1v8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vcc_3v3_sys>;
		regulator-always-on;
		regulator-boot-on;
	};
};

&main_pmx0 {
	/* Pin multiplexing configurations */
	main_spi0_pins_default: main-spi0-pins-default {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x01bc, PIN_OUTPUT, 0) /* (A14) SPI0_CLK */
			AM62X_IOPAD(0x01c0, PIN_INPUT, 0)  /* (B13) SPI0_D0 */
			AM62X_IOPAD(0x01c4, PIN_OUTPUT, 0) /* (B14) SPI0_D1 */
			AM62X_IOPAD(0x01b4, PIN_OUTPUT, 0) /* (A13) SPI0_CS0 */
		>;
	};
};

&main_gpio0 {
	bootph-all;
};

&main_gpio1 {
	bootph-all;
};

&main_i2c1 {
	exp1: gpio@22 {
		compatible = "ti,tca6424";
		reg = <0x22>;
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "GPIO_CPSW2_RST", "GPIO_CPSW1_RST",
				   "PRU_DETECT", "MMC1_SD_EN",
				   "VPP_LDO_EN", "EXP_PS_3V3_En",
				   "EXP_PS_5V0_En", "EXP_HAT_DETECT",
				   "GPIO_AUD_RSTn", "GPIO_eMMC_RSTn",
				   "UART1_FET_BUF_EN", "WL_LT_EN",
				   "GPIO_HDMI_RSTn", "CSI_GPIO1",
				   "CSI_GPIO2", "PRU_3V3_EN",
				   "HDMI_INTn", "PD_I2C_IRQ",
				   "MCASP1_FET_EN", "MCASP1_BUF_BT_EN",
				   "MCASP1_FET_SEL", "UART1_FET_SEL",
				   "TSINT#", "IO_EXP_TEST_LED";

		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>;
	};
};

&sdhci1 {
	vmmc-supply = <&vdd_mmc1>;
	vqmmc-supply = <&vdd_sd_dv>;
};

&cpsw3g {
	pinctrl-names = "default";
	pinctrl-0 = <&main_rgmii1_pins_default
		     &main_rgmii2_pins_default>;

	cpts@3d000 {
		ti,pps = <2 1>;
	};
};

&fss {
	bootph-all;
};

/* Disable OSPI controller to free up SPI bus */
&ospi0 {
	status = "disabled";  /* Disable OSPI to free up SPI bus */
};

/* Disable OSPI flash partitions */
&ospi0_flash {
    status = "disabled";  /* Disable OSPI flash partitions */
};

/* Enable spidev on SPI0 */
&main_spi0 {
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&main_spi0_pins_default>;
	pinctrl-names = "default";

	spidev@0 {
		compatible = "spidev";
		spi-max-frequency = <24000000>;
		reg = <0>;  /* Chip select 0 */
		status = "okay";
	};
};

&tlv320aic3106 {
	DVDD-supply = <&vcc_1v8>;
};

# SPDX-License-Identifier: GPL-2.0
#
# Makefile for kernel SPI drivers.
#

ccflags-$(CONFIG_SPI_DEBUG) := -DDEBUG

# small core, mostly translating board-specific
# config declarations into driver model code
obj-$(CONFIG_SPI_MASTER)		+= spi.o
obj-$(CONFIG_SPI_MEM)			+= spi-mem.o
obj-$(CONFIG_SPI_MUX)			+= spi-mux.o
obj-$(CONFIG_SPI_SPIDEV)		+= spidev.o
#obj-y		                        += spidev.o
obj-$(CONFIG_SPI_LOOPBACK_TEST)		+= spi-loopback-test.o

# SPI master controller drivers (bus)
obj-$(CONFIG_SPI_ALTERA)		+= spi-altera-platform.o
obj-$(CONFIG_SPI_ALTERA_CORE)		+= spi-altera-core.o
obj-$(CONFIG_SPI_ALTERA_DFL)		+= spi-altera-dfl.o
obj-$(CONFIG_SPI_AMLOGIC_SPIFC_A1)	+= spi-amlogic-spifc-a1.o
obj-$(CONFIG_SPI_AR934X)		+= spi-ar934x.o
obj-$(CONFIG_SPI_ARMADA_3700)		+= spi-armada-3700.o
obj-$(CONFIG_SPI_ASPEED_SMC)		+= spi-aspeed-smc.o
obj-$(CONFIG_SPI_ATMEL)			+= spi-atmel.o
obj-$(CONFIG_SPI_ATMEL_QUADSPI)		+= atmel-quadspi.o
obj-$(CONFIG_SPI_AT91_USART)		+= spi-at91-usart.o
obj-$(CONFIG_SPI_ATH79)			+= spi-ath79.o
obj-$(CONFIG_SPI_AU1550)		+= spi-au1550.o
obj-$(CONFIG_SPI_AXI_SPI_ENGINE)	+= spi-axi-spi-engine.o
obj-$(CONFIG_SPI_BCM2835)		+= spi-bcm2835.o
obj-$(CONFIG_SPI_BCM2835AUX)		+= spi-bcm2835aux.o
obj-$(CONFIG_SPI_BCM63XX)		+= spi-bcm63xx.o
obj-$(CONFIG_SPI_BCM63XX_HSSPI)		+= spi-bcm63xx-hsspi.o
obj-$(CONFIG_SPI_BCMBCA_HSSPI)		+= spi-bcmbca-hsspi.o
obj-$(CONFIG_SPI_BCM_QSPI)		+= spi-iproc-qspi.o spi-brcmstb-qspi.o spi-bcm-qspi.o
obj-$(CONFIG_SPI_BITBANG)		+= spi-bitbang.o
obj-$(CONFIG_SPI_BUTTERFLY)		+= spi-butterfly.o
obj-$(CONFIG_SPI_CADENCE)		+= spi-cadence.o
obj-$(CONFIG_SPI_CADENCE_QUADSPI)	+= spi-cadence-quadspi.o
obj-$(CONFIG_SPI_CADENCE_XSPI)		+= spi-cadence-xspi.o
obj-$(CONFIG_SPI_CLPS711X)		+= spi-clps711x.o
obj-$(CONFIG_SPI_COLDFIRE_QSPI)		+= spi-coldfire-qspi.o
obj-$(CONFIG_SPI_CS42L43)		+= spi-cs42l43.o
obj-$(CONFIG_SPI_DAVINCI)		+= spi-davinci.o
obj-$(CONFIG_SPI_DLN2)			+= spi-dln2.o
obj-$(CONFIG_SPI_DESIGNWARE)		+= spi-dw.o
spi-dw-y				:= spi-dw-core.o
spi-dw-$(CONFIG_SPI_DW_DMA)		+= spi-dw-dma.o
obj-$(CONFIG_SPI_DW_BT1)		+= spi-dw-bt1.o
obj-$(CONFIG_SPI_DW_MMIO)		+= spi-dw-mmio.o
obj-$(CONFIG_SPI_DW_PCI)		+= spi-dw-pci.o
obj-$(CONFIG_SPI_EP93XX)		+= spi-ep93xx.o
obj-$(CONFIG_SPI_FALCON)		+= spi-falcon.o
obj-$(CONFIG_SPI_FSI)			+= spi-fsi.o
obj-$(CONFIG_SPI_FSL_CPM)		+= spi-fsl-cpm.o
obj-$(CONFIG_SPI_FSL_DSPI)		+= spi-fsl-dspi.o
obj-$(CONFIG_SPI_FSL_LIB)		+= spi-fsl-lib.o
obj-$(CONFIG_SPI_FSL_ESPI)		+= spi-fsl-espi.o
obj-$(CONFIG_SPI_FSL_LPSPI)		+= spi-fsl-lpspi.o
obj-$(CONFIG_SPI_FSL_QUADSPI)		+= spi-fsl-qspi.o
obj-$(CONFIG_SPI_FSL_SPI)		+= spi-fsl-spi.o
obj-$(CONFIG_SPI_GPIO)			+= spi-gpio.o
obj-$(CONFIG_SPI_GXP)			+= spi-gxp.o
obj-$(CONFIG_SPI_HISI_KUNPENG)		+= spi-hisi-kunpeng.o
obj-$(CONFIG_SPI_HISI_SFC_V3XX)		+= spi-hisi-sfc-v3xx.o
obj-$(CONFIG_SPI_IMG_SPFI)		+= spi-img-spfi.o
obj-$(CONFIG_SPI_IMX)			+= spi-imx.o
obj-$(CONFIG_SPI_INGENIC)		+= spi-ingenic.o
obj-$(CONFIG_SPI_INTEL)			+= spi-intel.o
obj-$(CONFIG_SPI_INTEL_PCI)		+= spi-intel-pci.o
obj-$(CONFIG_SPI_INTEL_PLATFORM)	+= spi-intel-platform.o
obj-$(CONFIG_SPI_LANTIQ_SSC)		+= spi-lantiq-ssc.o
obj-$(CONFIG_SPI_JCORE)			+= spi-jcore.o
obj-$(CONFIG_SPI_LM70_LLP)		+= spi-lm70llp.o
obj-$(CONFIG_SPI_LOONGSON_CORE)		+= spi-loongson-core.o
obj-$(CONFIG_SPI_LOONGSON_PCI)		+= spi-loongson-pci.o
obj-$(CONFIG_SPI_LOONGSON_PLATFORM)	+= spi-loongson-plat.o
obj-$(CONFIG_SPI_LP8841_RTC)		+= spi-lp8841-rtc.o
obj-$(CONFIG_SPI_MESON_SPICC)		+= spi-meson-spicc.o
obj-$(CONFIG_SPI_MESON_SPIFC)		+= spi-meson-spifc.o
obj-$(CONFIG_SPI_MICROCHIP_CORE)	+= spi-microchip-core.o
obj-$(CONFIG_SPI_MICROCHIP_CORE_QSPI)	+= spi-microchip-core-qspi.o
obj-$(CONFIG_SPI_MPC512x_PSC)		+= spi-mpc512x-psc.o
obj-$(CONFIG_SPI_MPC52xx_PSC)		+= spi-mpc52xx-psc.o
obj-$(CONFIG_SPI_MPC52xx)		+= spi-mpc52xx.o
obj-$(CONFIG_SPI_MT65XX)                += spi-mt65xx.o
obj-$(CONFIG_SPI_MT7621)		+= spi-mt7621.o
obj-$(CONFIG_SPI_MTK_NOR)		+= spi-mtk-nor.o
obj-$(CONFIG_SPI_MTK_SNFI)		+= spi-mtk-snfi.o
obj-$(CONFIG_SPI_MXIC)			+= spi-mxic.o
obj-$(CONFIG_SPI_MXS)			+= spi-mxs.o
obj-$(CONFIG_SPI_WPCM_FIU)		+= spi-wpcm-fiu.o
obj-$(CONFIG_SPI_NPCM_FIU)		+= spi-npcm-fiu.o
obj-$(CONFIG_SPI_NPCM_PSPI)		+= spi-npcm-pspi.o
obj-$(CONFIG_SPI_NXP_FLEXSPI)		+= spi-nxp-fspi.o
obj-$(CONFIG_SPI_OC_TINY)		+= spi-oc-tiny.o
spi-octeon-objs				:= spi-cavium.o spi-cavium-octeon.o
obj-$(CONFIG_SPI_OCTEON)		+= spi-octeon.o
obj-$(CONFIG_SPI_OMAP_UWIRE)		+= spi-omap-uwire.o
obj-$(CONFIG_SPI_OMAP24XX)		+= spi-omap2-mcspi.o
obj-$(CONFIG_SPI_TI_QSPI)		+= spi-ti-qspi.o
obj-$(CONFIG_SPI_ORION)			+= spi-orion.o
obj-$(CONFIG_SPI_PCI1XXXX)		+= spi-pci1xxxx.o
obj-$(CONFIG_SPI_PIC32)			+= spi-pic32.o
obj-$(CONFIG_SPI_PIC32_SQI)		+= spi-pic32-sqi.o
obj-$(CONFIG_SPI_PL022)			+= spi-pl022.o
obj-$(CONFIG_SPI_PPC4xx)		+= spi-ppc4xx.o
spi-pxa2xx-platform-objs		:= spi-pxa2xx.o spi-pxa2xx-dma.o
obj-$(CONFIG_SPI_PXA2XX)		+= spi-pxa2xx-platform.o
obj-$(CONFIG_SPI_PXA2XX_PCI)		+= spi-pxa2xx-pci.o
obj-$(CONFIG_SPI_QCOM_GENI)		+= spi-geni-qcom.o
obj-$(CONFIG_SPI_QCOM_QSPI)		+= spi-qcom-qspi.o
obj-$(CONFIG_SPI_QUP)			+= spi-qup.o
obj-$(CONFIG_SPI_ROCKCHIP)		+= spi-rockchip.o
obj-$(CONFIG_SPI_ROCKCHIP_SFC)		+= spi-rockchip-sfc.o
obj-$(CONFIG_SPI_RB4XX)			+= spi-rb4xx.o
obj-$(CONFIG_MACH_REALTEK_RTL)		+= spi-realtek-rtl.o
obj-$(CONFIG_SPI_RPCIF)			+= spi-rpc-if.o
obj-$(CONFIG_SPI_RSPI)			+= spi-rspi.o
obj-$(CONFIG_SPI_RZV2M_CSI)		+= spi-rzv2m-csi.o
obj-$(CONFIG_SPI_S3C64XX)		+= spi-s3c64xx.o
obj-$(CONFIG_SPI_SC18IS602)		+= spi-sc18is602.o
obj-$(CONFIG_SPI_SH)			+= spi-sh.o
obj-$(CONFIG_SPI_SH_HSPI)		+= spi-sh-hspi.o
obj-$(CONFIG_SPI_SH_MSIOF)		+= spi-sh-msiof.o
obj-$(CONFIG_SPI_SH_SCI)		+= spi-sh-sci.o
obj-$(CONFIG_SPI_SIFIVE)		+= spi-sifive.o
obj-$(CONFIG_SPI_SLAVE_MT27XX)          += spi-slave-mt27xx.o
obj-$(CONFIG_SPI_SN_F_OSPI)		+= spi-sn-f-ospi.o
obj-$(CONFIG_SPI_SPRD)			+= spi-sprd.o
obj-$(CONFIG_SPI_SPRD_ADI)		+= spi-sprd-adi.o
obj-$(CONFIG_SPI_STM32) 		+= spi-stm32.o
obj-$(CONFIG_SPI_STM32_QSPI) 		+= spi-stm32-qspi.o
obj-$(CONFIG_SPI_ST_SSC4)		+= spi-st-ssc4.o
obj-$(CONFIG_SPI_SUN4I)			+= spi-sun4i.o
obj-$(CONFIG_SPI_SUN6I)			+= spi-sun6i.o
obj-$(CONFIG_SPI_SUNPLUS_SP7021)	+= spi-sunplus-sp7021.o
obj-$(CONFIG_SPI_SYNQUACER)		+= spi-synquacer.o
obj-$(CONFIG_SPI_TEGRA210_QUAD)		+= spi-tegra210-quad.o
obj-$(CONFIG_SPI_TEGRA114)		+= spi-tegra114.o
obj-$(CONFIG_SPI_TEGRA20_SFLASH)	+= spi-tegra20-sflash.o
obj-$(CONFIG_SPI_TEGRA20_SLINK)		+= spi-tegra20-slink.o
obj-$(CONFIG_SPI_TLE62X0)		+= spi-tle62x0.o
spi-thunderx-objs			:= spi-cavium.o spi-cavium-thunderx.o
obj-$(CONFIG_SPI_THUNDERX)		+= spi-thunderx.o
obj-$(CONFIG_SPI_TOPCLIFF_PCH)		+= spi-topcliff-pch.o
obj-$(CONFIG_SPI_UNIPHIER)		+= spi-uniphier.o
obj-$(CONFIG_SPI_XCOMM)		+= spi-xcomm.o
obj-$(CONFIG_SPI_XILINX)		+= spi-xilinx.o
obj-$(CONFIG_SPI_XLP)			+= spi-xlp.o
obj-$(CONFIG_SPI_XTENSA_XTFPGA)		+= spi-xtensa-xtfpga.o
obj-$(CONFIG_SPI_ZYNQ_QSPI)		+= spi-zynq-qspi.o
obj-$(CONFIG_SPI_ZYNQMP_GQSPI)		+= spi-zynqmp-gqspi.o
obj-$(CONFIG_SPI_AMD)			+= spi-amd.o

# SPI slave protocol handlers
obj-$(CONFIG_SPI_SLAVE_TIME)		+= spi-slave-time.o
obj-$(CONFIG_SPI_SLAVE_SYSTEM_CONTROL)	+= spi-slave-system-control.o

I have shared k3-am625-sk.dts file and spi makefile  Isthis crct or should i do any modification

Hello,

The thread owner is out for the rest of September. Feel free to ping the thread in early October.

Regards,

Nick

Hello,

            Can u please suggest some resolving methods for above query

Hi Vaishnavi,

thanks for your patience here. Looking through this thread it looks like the Kernel might not be able to load or locate the driver (kernel module)

Can you please check these posts here for steps to analyze/trouble-shoot:

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1419751/am620-q1-what-s-involved-in-adding-spi-ports-to-the-config-files---dts-and-dtsi/5442081#5442081
https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1419751/am620-q1-what-s-involved-in-adding-spi-ports-to-the-config-files---dts-and-dtsi/5451634#5451634

Regards, Andreas

For what it's worth tisdk-tiny-image does not appear to automatically support spi. But tisdk-base-image does. 

-regards.