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From: Ayush Singh <ayushdevel1325@gmail.com>
To: linux-kernel@vger.kernel.org (open list)
Cc: Ayush Singh <ayushdevel1325@gmail.com>,
	jkridner@beagleboard.org,
	robertcnelson@beagleboard.org,
	lorforlinux@beagleboard.org,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Nishanth Menon <nm@ti.com>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Tero Kristo <kristo@kernel.org>,
	Derek Kiernan <derek.kiernan@amd.com>,
	Dragan Cvetic <dragan.cvetic@amd.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Vaishnav M A <vaishnav.a@ti.com>,
	Mark Brown <broonie@kernel.org>,
	Johan Hovold <johan@kernel.org>,
	Alex Elder <elder@kernel.org>,
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-arm-kernel@lists.infradead.org (moderated list:ARM/TEXAS INSTRUMENTS K3 ARCHITECTURE),
	linux-spi@vger.kernel.org (open list:SPI SUBSYSTEM),
	greybus-dev@lists.linaro.org (moderated list:GREYBUS SUBSYSTEM),
	Vaishnav M A <vaishnav@beagleboard.org>
Subject: [PATCH v4 5/5] dts: ti: k3-am625-beagleplay: Add mikroBUS
Date: Mon, 18 Mar 2024 01:07:13 +0530
Message-ID: <20240317193714.403132-6-ayushdevel1325@gmail.com>
In-Reply-To: <20240317193714.403132-1-ayushdevel1325@gmail.com>
References: <20240317193714.403132-1-ayushdevel1325@gmail.com>
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DONOTMERGE

this patch depends on patch 1

Add mikroBUS connector support for Beagleplay.

Co-developed-by: Vaishnav M A <vaishnav@beagleboard.org>
Signed-off-by: Vaishnav M A <vaishnav@beagleboard.org>
Signed-off-by: Ayush Singh <ayushdevel1325@gmail.com>
---
 .../arm64/boot/dts/ti/k3-am625-beagleplay.dts | 80 +++++++++++++++++--
 1 file changed, 72 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
index a34e0df2ab86..e1dce1b80153 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
@@ -29,6 +29,7 @@ aliases {
 		i2c3 = &main_i2c3;
 		i2c4 = &wkup_i2c0;
 		i2c5 = &mcu_i2c0;
+		mikrobus0 = &mikrobus0;
 		mmc0 = &sdhci0;
 		mmc1 = &sdhci1;
 		mmc2 = &sdhci2;
@@ -230,6 +231,38 @@ simple-audio-card,codec {
 		};
 	};
 
+	mikrobus0: mikrobus-connector {
+		compatible = "mikrobus-connector";
+		pinctrl-names = "default", "pwm_default", "pwm_gpio",
+				"uart_default", "uart_gpio", "i2c_default",
+				"i2c_gpio", "spi_default", "spi_gpio";
+		pinctrl-0 = <&mikrobus_gpio_pins_default>;
+		pinctrl-1 = <&mikrobus_pwm_pins_default>;
+		pinctrl-2 = <&mikrobus_pwm_pins_gpio>;
+		pinctrl-3 = <&mikrobus_uart_pins_default>;
+		pinctrl-4 = <&mikrobus_uart_pins_gpio>;
+		pinctrl-5 = <&mikrobus_i2c_pins_default>;
+		pinctrl-6 = <&mikrobus_i2c_pins_gpio>;
+		pinctrl-7 = <&mikrobus_spi_pins_default>;
+		pinctrl-8 = <&mikrobus_spi_pins_gpio>;
+		pwms = <&ecap2 0 500000 0>;
+		i2c-adapter = <&main_i2c3>;
+		spi-controller = <&main_spi2>;
+		uart = <&main_uart5>;
+		spi-cs = <0 1>;
+		mikrobus-gpios = <&main_gpio1 11 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 9 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 24 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 25 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 22 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 23 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 7 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 8 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 14 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 13 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 12 GPIO_ACTIVE_HIGH>,
+				 <&main_gpio1 10 GPIO_ACTIVE_HIGH>;
+	};
 };
 
 &main_pmx0 {
@@ -389,6 +422,18 @@ AM62X_IOPAD(0x01f0, PIN_OUTPUT, 5) /* (A18) EXT_REFCLK1.CLKOUT0 */
 		>;
 	};
 
+	mikrobus_pwm_pins_default: mikrobus-pwm-default-pins {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x01a4, PIN_INPUT, 2) /* (B20) MCASP0_ACLKX.ECAP2_IN_APWM_OUT */
+		>;
+	};
+
+	mikrobus_pwm_pins_gpio: mikrobus-pwm-gpio-pins {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x01a4, PIN_INPUT, 7) /* (B20) MCASP0_ACLKX.GPIO1_11 */
+		>;
+	};
+
 	mikrobus_i2c_pins_default: mikrobus-i2c-default-pins {
 		pinctrl-single,pins = <
 			AM62X_IOPAD(0x01d0, PIN_INPUT_PULLUP, 2) /* (A15) UART0_CTSn.I2C3_SCL */
@@ -396,6 +441,13 @@ AM62X_IOPAD(0x01d4, PIN_INPUT_PULLUP, 2) /* (B15) UART0_RTSn.I2C3_SDA */
 		>;
 	};
 
+	mikrobus_i2c_pins_gpio: mikrobus-i2c-gpio-pins {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x01d0, PIN_INPUT, 7) /* (A15) UART0_CTSn.GPIO1_22 */
+			AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */
+		>;
+	};
+
 	mikrobus_uart_pins_default: mikrobus-uart-default-pins {
 		pinctrl-single,pins = <
 			AM62X_IOPAD(0x01d8, PIN_INPUT, 1) /* (C15) MCAN0_TX.UART5_RXD */
@@ -403,6 +455,13 @@ AM62X_IOPAD(0x01dc, PIN_OUTPUT, 1) /* (E15) MCAN0_RX.UART5_TXD */
 		>;
 	};
 
+	mikrobus_uart_pins_gpio: mikrobus-uart-gpio-pins {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x01d8, PIN_INPUT, 7) /* (C15) MCAN0_TX.GPIO1_24 */
+			AM62X_IOPAD(0x01dc, PIN_INPUT, 7) /* (E15) MCAN0_RX.GPIO1_25 */
+		>;
+	};
+
 	mikrobus_spi_pins_default: mikrobus-spi-default-pins {
 		pinctrl-single,pins = <
 			AM62X_IOPAD(0x01b0, PIN_INPUT, 1) /* (A20) MCASP0_ACLKR.SPI2_CLK */
@@ -412,6 +471,15 @@ AM62X_IOPAD(0x0198, PIN_INPUT, 1) /* (A19) MCASP0_AXR2.SPI2_D1 */
 		>;
 	};
 
+	mikrobus_spi_pins_gpio: mikrobus-spi-gpio-pins {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x0194, PIN_INPUT, 7) /* (B19) MCASP0_AXR3.GPIO1_7 */
+			AM62X_IOPAD(0x0198, PIN_INPUT, 7) /* (A19) MCASP0_AXR2.GPIO1_8 */
+			AM62X_IOPAD(0x01ac, PIN_INPUT, 7) /* (E19) MCASP0_AFSR.GPIO1_13 */
+			AM62X_IOPAD(0x01b0, PIN_INPUT, 7) /* (A20) MCASP0_ACLKR.GPIO1_14 */
+		>;
+	};
+
 	mikrobus_gpio_pins_default: mikrobus-gpio-default-pins {
 		bootph-all;
 		pinctrl-single,pins = <
@@ -629,8 +697,6 @@ &main_gpio0 {
 
 &main_gpio1 {
 	bootph-all;
-	pinctrl-names = "default";
-	pinctrl-0 = <&mikrobus_gpio_pins_default>;
 	gpio-line-names = "", "", "", "", "",			/* 0-4 */
 		"SPE_RSTN", "SPE_INTN", "MIKROBUS_GPIO1_7",	/* 5-7 */
 		"MIKROBUS_GPIO1_8", "MIKROBUS_GPIO1_9",		/* 8-9 */
@@ -803,15 +869,11 @@ it66121_out: endpoint {
 };
 
 &main_i2c3 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&mikrobus_i2c_pins_default>;
 	clock-frequency = <400000>;
 	status = "okay";
 };
 
 &main_spi2 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&mikrobus_spi_pins_default>;
 	status = "okay";
 };
 
@@ -875,8 +937,6 @@ &main_uart1 {
 };
 
 &main_uart5 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&mikrobus_uart_pins_default>;
 	status = "okay";
 };
 
@@ -926,3 +986,7 @@ &mcasp1 {
 	tx-num-evt = <32>;
 	rx-num-evt = <32>;
 };
+
+&ecap2 {
+	status = "okay";
+};
-- 
2.44.0