drivers: spi: add npcm spip driver

add npcm spip driver. test SPI-Flash w25q256jv DUAL(BBh)/QUAD(EBh) with 3-bytes-addr ok. note: DUAL READ(BBh) 1-2-2 (cmd-addr-data) QUAD READ(EBh) 1-4-4 (cmd-addr-data) Signed-off-by: James Chiang <[email protected]>
Nuvoton-Israel · Sep 4, 2024 · 7d00739 · 7d00739
1 parent 0d9474a
commit 7d00739
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Showing 10 changed files with 479 additions and 11 deletions.
diff --git a/boards/nuvoton/npcm400_evb/npcm400_evb.dts b/boards/nuvoton/npcm400_evb/npcm400_evb.dts
@@ -187,6 +187,12 @@
 	pinctrl-names = "default";
 };
 
+&spip0 {
+	pinctrl-0 = <&pspi1_clk_io0_io1_io2_io3_cs_gp66_67_70_73_76_77>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &qspi_fiu0 {
 	ext_flash: w25q256jv@0 {
 		compatible ="nuvoton,npcm-nor";

diff --git a/boards/nuvoton/npcm400_evb/npcm400_evb_defconfig b/boards/nuvoton/npcm400_evb/npcm400_evb_defconfig
@@ -43,6 +43,11 @@ CONFIG_FLASH_NPCM_NOR=y
 CONFIG_FLASH_NPCM_SPIM_QSPI=y
 CONFIG_FLASH_NPCM_FIU_QSPI=y
 
+# SPI Driver
+CONFIG_SPI=y
+CONFIG_SPI_SHELL=y
+CONFIG_SPI_NPCM_SPIP=y
+
 # Watchdog Driver
 CONFIG_WATCHDOG=y
 CONFIG_WDT_NPCM=y

diff --git a/drivers/spi/CMakeLists.txt b/drivers/spi/CMakeLists.txt
@@ -54,4 +54,5 @@ zephyr_library_sources_ifdef(CONFIG_USERSPACE		spi_handlers.c)
 zephyr_library_sources_ifdef(CONFIG_SPI_INFINEON_CAT1	spi_ifx_cat1.c)
 zephyr_library_sources_ifdef(CONFIG_SPI_SEDI            spi_sedi.c)
 zephyr_library_sources_ifdef(CONFIG_SPI_NPCX_SPIP       spi_npcx_spip.c)
+zephyr_library_sources_ifdef(CONFIG_SPI_NPCM_SPIP	spi_npcm_spip.c)
 zephyr_library_sources_ifdef(CONFIG_SPI_GRLIB_SPIMCTRL	spi_grlib_spimctrl.c)
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
@@ -152,6 +152,8 @@ source "drivers/spi/Kconfig.sedi"
 
 source "drivers/spi/Kconfig.npcx"
 
+source "drivers/spi/Kconfig.npcm"
+
 source "drivers/spi/Kconfig.mchp_mss"
 
 source "drivers/spi/Kconfig.grlib_spimctrl"

diff --git a/drivers/spi/Kconfig.npcm b/drivers/spi/Kconfig.npcm
@@ -0,0 +1,11 @@
+# Nuvoton NPCM SPI Driver configuration options
+
+# Copyright (c) 2024 Nuvoton Technology Corporation.
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig SPI_NPCM_SPIP
+	bool "Nuvoton NPCM Enhanced Super I/O (eSIO) SPI driver"
+	default y
+	depends on DT_HAS_NUVOTON_NPCM_SPIP_ENABLED
+	help
+	  Enable the SPI peripherals on NPCM MCU.