boards: renesas: rzg3s_smarc: Add SPI support

Add SPI support for board RZ/G3S-SMARC

Signed-off-by: Quang Le <[email protected]>
Signed-off-by: Binh Nguyen <[email protected]>

Author: le-quang168

boards/renesas/rzg3s_smarc/doc/index.rst

@@ -58,40 +58,7 @@ Please see :zephyr:code-sample:`rz-openamp-linux-zephyr` sample for reference.
 Supported Features
 ==================
 
-The ``rzg3s_smarc/r9a08g045s33gbg/cm33`` board target supports the ARM Cortex-M33 System Core without FPU
-and the following hardware features:
-
-+-----------+------------+-------------------------------------+
-| Interface | Controller | Driver/Component                    |
-+===========+============+=====================================+
-| NVIC      | on-chip    | arch/arm                            |
-+-----------+------------+-------------------------------------+
-| SYSTICK   | on-chip    | arch/arm                            |
-+-----------+------------+-------------------------------------+
-| PINCTRL   | on-chip    | pinctrl                             |
-+-----------+------------+-------------------------------------+
-| ADC       | on-chip    | adc                                 |
-+-----------+------------+-------------------------------------+
-| GPIO      | on-chip    | gpio                                |
-+-----------+------------+-------------------------------------+
-| DMA       | on-chip    | dma                                 |
-+-----------+------------+-------------------------------------+
-| I2C       | on-chip    | i2c                                 |
-+-----------+------------+-------------------------------------+
-| UART      | on-chip    | serial                              |
-+-----------+------------+-------------------------------------+
-| GTM       | on-chip    | counter                             |
-+-----------+------------+-------------------------------------+
-| GPT       | on-chip    | pwm                                 |
-+-----------+------------+-------------------------------------+
-| INTC      | on-chip    | external interrupt controller       |
-+-----------+------------+-------------------------------------+
-| CLOCK     | on-chip    | clock control                       |
-+-----------+------------+-------------------------------------+
-| MHU       | on-chip    | mbox                                |
-+-----------+------------+-------------------------------------+
-
-Other hardware features are currently not supported by the port.
+.. zephyr:board-supported-hw::
 
 Programming and Debugging
 *************************

boards/renesas/rzg3s_smarc/rzg3s_smarc-pinctrl.dtsi

@@ -69,4 +69,13 @@
 				 <RZG_PINMUX(PORT_17, 1, 3)>; /* RX */
 		};
 	};
+
+	/omit-if-no-ref/ spi0_pins: spi0 {
+		spi0-pinmux {
+			pinmux = <RZG_PINMUX(PORT_15, 0, 1)>, /* CK */
+				 <RZG_PINMUX(PORT_15, 1, 1)>, /* MOSI */
+				 <RZG_PINMUX(PORT_15, 2, 1)>, /* MISO */
+				 <RZG_PINMUX(PORT_15, 3, 1)>; /* SSL */
+		};
+	};
 };

boards/renesas/rzg3s_smarc/rzg3s_smarc_r9a08g045s33gbg_cm33.dts

@@ -97,15 +97,21 @@
 	status = "okay";
 };
 
-&gpio0{
+&spi0 {
+	pinctrl-0 = <&spi0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&gpio0 {
 	status = "okay";
 };
 
 &gpio13{
 	status = "okay";
 };
 
-&gpio18{
+&gpio18 {
 	status = "okay";
 };
 

boards/renesas/rzg3s_smarc/rzg3s_smarc_r9a08g045s33gbg_cm33.yaml

@@ -13,4 +13,5 @@ supported:
   - gpio
   - counter
   - pwm
+  - spi
   - can