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Initial support SPI driver for Renesas RZ/N2L, T2M #97237

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Initial support SPI driver for Renesas RZ/N2L, T2M #97237

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653f243
manifest: Update commit id for hal_renesas
le-quang168 Oct 8, 2025
6cb2e60
drivers: spi: Initial support for RZN2L, T2M
le-quang168 Oct 8, 2025
f89eb47
dts: renesas: Add SPI support for RZN2L, T2M
le-quang168 Oct 8, 2025
abff592
boards: renesas: Add SPI support for RZN2L, T2M
le-quang168 Oct 8, 2025
db18f67
tests: drivers: spi: Add support for RZN2L, T2M
le-quang168 Oct 8, 2025
85c5a01
samples: drivers: spi: Add support for RZT2M
le-quang168 Oct 8, 2025
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9 changes: 9 additions & 0 deletions boards/renesas/rzn2l_rsk/rzn2l_rsk-pinctrl.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -48,4 +48,13 @@
<RZN_PINMUX(PORT_05, 3, 9)>; /* SDA */
};
};

/omit-if-no-ref/ spi2_pins: spi2 {
spi2-pinmux {
pinmux = <RZN_PINMUX(PORT_18, 4, 3)>, /* CK2 */
<RZN_PINMUX(PORT_18, 5, 3)>, /* MOSI2 */
<RZN_PINMUX(PORT_18, 6, 5)>, /* MISO2 */
<RZN_PINMUX(PORT_21, 1, 6)>; /* SSL20 */
};
};
};
6 changes: 6 additions & 0 deletions boards/renesas/rzn2l_rsk/rzn2l_rsk.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -123,3 +123,9 @@
pinctrl-names = "default";
status = "okay";
};

&spi2 {
pinctrl-0 = <&spi2_pins>;
pinctrl-names = "default";
status = "okay";
};
1 change: 1 addition & 0 deletions boards/renesas/rzn2l_rsk/rzn2l_rsk.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,4 +11,5 @@ supported:
- adc
- i2c
- counter
- spi
vendor: renesas
9 changes: 9 additions & 0 deletions boards/renesas/rzt2m_rsk/rzt2m_rsk-pinctrl.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -40,4 +40,13 @@
<RZT_PINMUX(PORT_22, 7, 2)>; /* SDA */
};
};

/omit-if-no-ref/ spi2_pins: spi2 {
spi2-pinmux {
pinmux = <RZT_PINMUX(PORT_18, 4, 3)>, /* CK2 */
<RZT_PINMUX(PORT_18, 5, 3)>, /* MOSI2 */
<RZT_PINMUX(PORT_18, 6, 5)>, /* MISO2 */
<RZT_PINMUX(PORT_18, 7, 3)>; /* SSL20 */
};
};
};
6 changes: 6 additions & 0 deletions boards/renesas/rzt2m_rsk/rzt2m_rsk_r9a07g075m24gbg_cr520.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -120,3 +120,9 @@
&adc1 {
status = "okay";
};

&spi2 {
pinctrl-0 = <&spi2_pins>;
pinctrl-names = "default";
status = "okay";
};
1 change: 1 addition & 0 deletions boards/renesas/rzt2m_rsk/rzt2m_rsk_r9a07g075m24gbg_cr520.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,4 +16,5 @@ supported:
- adc
- i2c
- counter
- spi
vendor: renesas
1 change: 1 addition & 0 deletions drivers/spi/CMakeLists.txt
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Expand Up @@ -54,6 +54,7 @@ zephyr_library_sources_ifdef(CONFIG_SPI_PW spi_pw.c)
zephyr_library_sources_ifdef(CONFIG_SPI_RENESAS_RA spi_renesas_ra.c)
zephyr_library_sources_ifdef(CONFIG_SPI_RENESAS_RA8 spi_b_renesas_ra8.c)
zephyr_library_sources_ifdef(CONFIG_SPI_RENESAS_RX spi_renesas_rx.c)
zephyr_library_sources_ifdef(CONFIG_SPI_RENESAS_RZ spi_renesas_rz.c)
zephyr_library_sources_ifdef(CONFIG_SPI_RENESAS_RZ_RSPI spi_renesas_rz_rspi.c)
zephyr_library_sources_ifdef(CONFIG_SPI_RPI_PICO_PIO spi_rpi_pico_pio.c)
zephyr_library_sources_ifdef(CONFIG_SPI_RV32M1_LPSPI spi_rv32m1_lpspi.c)
Expand Down
28 changes: 26 additions & 2 deletions drivers/spi/Kconfig.renesas_rz
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Expand Up @@ -23,6 +23,32 @@ config SPI_RENESAS_RZ_RSPI_DMAC
help
Enable the SPI DMA mode for SPI instances

endif # SPI_RENESAS_RZ_RSPI

config SPI_RENESAS_RZ
bool "Renesas RZ SPI"
default y
depends on DT_HAS_RENESAS_RZ_SPI_ENABLED
select USE_RZ_FSP_SPI
select PINCTRL
help
Enable Renesas RZ SPI Driver.

if SPI_RENESAS_RZ

config SPI_RENESAS_RZ_INTERRUPT
bool "RZ SPI Interrupt Support"
help
Enable Interrupt support for the SPI.

config SPI_USE_HW_SS
bool "RZ SPI Hardware Peripheral Select support"
default y
help
Use Hardware Peripheral Select instead of Software Peripheral Select.

endif # SPI_RENESAS_RZ

if SPI_RTIO
config SPI_RTIO_SQ_SIZE
int "Number of available submission queue entries"
Expand All @@ -40,5 +66,3 @@ config SPI_RTIO_CQ_SIZE
default 8 # Sensible default that covers most common spi transactions

endif # SPI_RTIO

endif # SPI_RENESAS_RZ_RSPI
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