[PATCH 1/2] ARM: dts: exynos: add accelerometer and gyro to p4note

[PATCH 1/2] ARM: dts: exynos: add accelerometer and gyro to p4note

[Martin Jücker]

Add entries for LSM330DLC accelerometer and gyro to the p4note.

Signed-off-by: Martin Jücker <martin.juecker@gmail.com>
---
 .../boot/dts/samsung/exynos4412-p4note.dtsi   | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi b/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi
index 0b89d5682f857..39a3d1cbe4c3b 100644
--- a/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi
+++ b/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi
@@ -362,6 +362,39 @@ &hsotg {
 	status = "okay";
 };
 
+&i2c_1 {
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-slave-addr = <0x10>;
+	samsung,i2c-max-bus-freq = <400000>;
+	pinctrl-0 = <&i2c1_bus>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	accelerometer@19 {
+		compatible = "st,lsm330dlc-accel";
+		reg = <0x19>;
+		interrupt-parent = <&gpx0>;
+		interrupts = <0 IRQ_TYPE_EDGE_RISING>;
+		pinctrl-0 = <&accelerometer_irq>;
+		pinctrl-names = "default";
+		mount-matrix =	"1",  "0",  "0",
+				"0", "-1",  "0",
+				"0",  "0", "-1";
+	};
+
+	gyro@6b {
+		compatible = "st,lsm330dlc-gyro";
+		reg = <0x6b>;
+		interrupt-parent = <&gpx0>;
+		interrupts = <6 IRQ_TYPE_EDGE_RISING>;
+		pinctrl-0 = <&gyro_data_enable &gyro_irq>;
+		pinctrl-names = "default";
+		mount-matrix =	"1",  "0",  "0",
+				"0", "-1",  "0",
+				"0",  "0", "-1";
+	};
+};
+
 &i2c_3 {
 	samsung,i2c-sda-delay = <100>;
 	samsung,i2c-slave-addr = <0x10>;
@@ -844,6 +877,12 @@ bt_shutdown: bt-shutdown-pins {
 		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 	};
 
+	gyro_data_enable: gyro-data-enable-pins {
+		samsung,pins = "gpl2-0";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+	};
+
 	uart_sel: uart-sel-pins {
 		samsung,pins = "gpl2-7";
 		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
@@ -894,12 +933,24 @@ ak8975_irq: ak8975-irq-pins {
 		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
 	};
 
+	accelerometer_irq: accelerometer-irq-pins {
+		samsung,pins = "gpx0-0";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+	};
+
 	stmpe_adc_irq: stmpe-adc-irq-pins {
 		samsung,pins = "gpx0-1";
 		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 	};
 
+	gyro_irq: gyro-irq-pins {
+		samsung,pins = "gpx0-6";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+	};
+
 	max77686_irq: max77686-irq-pins {
 		samsung,pins = "gpx0-7";
 		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
-- 
2.34.1

[PATCH 2/2] ARM: defconfig: enable STMicroelectronics accelerometer and gyro

[Martin Jücker]

Enable STMicroelectronics accelerometer and gyro drivers for the p4note
device family in exynos and multi_v7 defconfigs.

Signed-off-by: Martin Jücker <martin.juecker@gmail.com>
---
 arch/arm/configs/exynos_defconfig   | 3 +++
 arch/arm/configs/multi_v7_defconfig | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 7483d7be23a66..0b64ce9be9aca 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -320,8 +320,11 @@ CONFIG_EXTCON_MAX77693=y
 CONFIG_EXTCON_MAX8997=y
 CONFIG_EXYNOS5422_DMC=y
 CONFIG_IIO=y
+CONFIG_IIO_ST_ACCEL_3AXIS=m
+# CONFIG_IIO_ST_ACCEL_SPI_3AXIS is not set
 CONFIG_EXYNOS_ADC=y
 CONFIG_STMPE_ADC=y
+CONFIG_IIO_ST_GYRO_3AXIS=m
 CONFIG_CM36651=y
 CONFIG_AK8975=y
 CONFIG_SENSORS_ISL29018=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index a4260c9e600d4..2e4a732420a21 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -1146,6 +1146,8 @@ CONFIG_STM32_FMC2_EBI=y
 CONFIG_EXYNOS5422_DMC=m
 CONFIG_IIO=y
 CONFIG_IIO_SW_TRIGGER=y
+CONFIG_IIO_ST_ACCEL_3AXIS=m
+# CONFIG_IIO_ST_ACCEL_SPI_3AXIS is not set
 CONFIG_ASPEED_ADC=m
 CONFIG_AT91_ADC=m
 CONFIG_AT91_SAMA5D2_ADC=m
@@ -1165,6 +1167,7 @@ CONFIG_IIO_CROS_EC_SENSORS_CORE=m
 CONFIG_IIO_CROS_EC_SENSORS=m
 CONFIG_STM32_DAC=m
 CONFIG_MPU3050_I2C=y
+CONFIG_IIO_ST_GYRO_3AXIS=m
 CONFIG_CM36651=m
 CONFIG_IIO_CROS_EC_LIGHT_PROX=m
 CONFIG_SENSORS_ISL29018=y
-- 
2.34.1

Re: [PATCH 1/2] ARM: dts: exynos: add accelerometer and gyro to p4note

[Krzysztof Kozlowski]

On Fri, 22 Dec 2023 00:02:57 +0100, Martin Jücker wrote:
> Add entries for LSM330DLC accelerometer and gyro to the p4note.
> 
> 

Applied, thanks!

[1/2] ARM: dts: exynos: add accelerometer and gyro to p4note
      https://git.kernel.org/krzk/linux/c/497b447cf89b87c8fb0d0b27994258ed18ac355e
[2/2] ARM: defconfig: enable STMicroelectronics accelerometer and gyro
      https://git.kernel.org/krzk/linux/c/213b755e42e2e7127777f74d2174bb4843a9b03a

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>