* [PATCH 1/3] arm64: dts: meson: g12a: add i2c nodes
2019-05-14 10:12 [PATCH 0/3] arm64: dts: meson: g12a: add i2c Jerome Brunet
@ 2019-05-14 10:12 ` Jerome Brunet
2019-05-14 10:12 ` [PATCH 2/3] arm64: dts: meson: u200: enable i2c busses Jerome Brunet
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Jerome Brunet @ 2019-05-14 10:12 UTC (permalink / raw)
To: Kevin Hilman
Cc: devicetree, Jerome Brunet, Guillaume La Roque, linux-kernel,
linux-amlogic
From: Guillaume La Roque <glaroque@baylibre.com>
Add pinctrl and nodes for i2c support on amlogic g12a
Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 268 ++++++++++++++++++++
1 file changed, 268 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index ca01064a771a..e6c0c19b3223 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -244,6 +244,188 @@
};
};
+
+ i2c0_sda_c_pins: i2c0-sda-c {
+ mux {
+ groups = "i2c0_sda_c";
+ function = "i2c0";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+
+ };
+ };
+
+ i2c0_sck_c_pins: i2c0-sck-c {
+ mux {
+ groups = "i2c0_sck_c";
+ function = "i2c0";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c0_sda_z0_pins: i2c0-sda-z0 {
+ mux {
+ groups = "i2c0_sda_z0";
+ function = "i2c0";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c0_sck_z1_pins: i2c0-sck-z1 {
+ mux {
+ groups = "i2c0_sck_z1";
+ function = "i2c0";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c0_sda_z7_pins: i2c0-sda-z7 {
+ mux {
+ groups = "i2c0_sda_z7";
+ function = "i2c0";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c0_sda_z8_pins: i2c0-sda-z8 {
+ mux {
+ groups = "i2c0_sda_z8";
+ function = "i2c0";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c1_sda_x_pins: i2c1-sda-x {
+ mux {
+ groups = "i2c1_sda_x";
+ function = "i2c1";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c1_sck_x_pins: i2c1-sck-x {
+ mux {
+ groups = "i2c1_sck_x";
+ function = "i2c1";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c1_sda_h2_pins: i2c1-sda-h2 {
+ mux {
+ groups = "i2c1_sda_h2";
+ function = "i2c1";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c1_sck_h3_pins: i2c1-sck-h3 {
+ mux {
+ groups = "i2c1_sck_h3";
+ function = "i2c1";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c1_sda_h6_pins: i2c1-sda-h6 {
+ mux {
+ groups = "i2c1_sda_h6";
+ function = "i2c1";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c1_sck_h7_pins: i2c1-sck-h7 {
+ mux {
+ groups = "i2c1_sck_h7";
+ function = "i2c1";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c2_sda_x_pins: i2c2-sda-x {
+ mux {
+ groups = "i2c2_sda_x";
+ function = "i2c2";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c2_sck_x_pins: i2c2-sck-x {
+ mux {
+ groups = "i2c2_sck_x";
+ function = "i2c2";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c2_sda_z_pins: i2c2-sda-z {
+ mux {
+ groups = "i2c2_sda_z";
+ function = "i2c2";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c2_sck_z_pins: i2c2-sck-z {
+ mux {
+ groups = "i2c2_sck_z";
+ function = "i2c2";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c3_sda_h_pins: i2c3-sda-h {
+ mux {
+ groups = "i2c3_sda_h";
+ function = "i2c3";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c3_sck_h_pins: i2c3-sck-h {
+ mux {
+ groups = "i2c3_sck_h";
+ function = "i2c3";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c3_sda_a_pins: i2c3-sda-a {
+ mux {
+ groups = "i2c3_sda_a";
+ function = "i2c3";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c3_sck_a_pins: i2c3-sck-a {
+ mux {
+ groups = "i2c3_sck_a";
+ function = "i2c3";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
pwm_a_pins: pwm-a {
mux {
groups = "pwm_a";
@@ -589,6 +771,42 @@
gpio-ranges = <&ao_pinctrl 0 0 15>;
};
+ i2c_ao_sck_pins: i2c_ao_sck_pins {
+ mux {
+ groups = "i2c_ao_sck";
+ function = "i2c_ao";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c_ao_sda_pins: i2c_ao_sda {
+ mux {
+ groups = "i2c_ao_sda";
+ function = "i2c_ao";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c_ao_sck_e_pins: i2c_ao_sck_e {
+ mux {
+ groups = "i2c_ao_sck_e";
+ function = "i2c_ao";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c_ao_sda_e_pins: i2c_ao_sda_e {
+ mux {
+ groups = "i2c_ao_sda_e";
+ function = "i2c_ao";
+ bias-disable;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
uart_ao_a_pins: uart-a-ao {
mux {
groups = "uart_ao_a_tx",
@@ -723,6 +941,16 @@
status = "disabled";
};
+ i2c_AO: i2c@5000 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x05000 0x0 0x20>;
+ interrupts = <GIC_SPI 195 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc CLKID_I2C>;
+ };
+
pwm_AO_ab: pwm@7000 {
compatible = "amlogic,meson-g12a-ao-pwm-ab";
reg = <0x0 0x7000 0x0 0x20>;
@@ -826,6 +1054,46 @@
status = "disabled";
};
+ i2c3: i2c@1c000 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x1c000 0x0 0x20>;
+ interrupts = <GIC_SPI 39 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc CLKID_I2C>;
+ };
+
+ i2c2: i2c@1d000 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x1d000 0x0 0x20>;
+ interrupts = <GIC_SPI 215 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc CLKID_I2C>;
+ };
+
+ i2c1: i2c@1e000 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x1e000 0x0 0x20>;
+ interrupts = <GIC_SPI 214 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc CLKID_I2C>;
+ };
+
+ i2c0: i2c@1f000 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x1f000 0x0 0x20>;
+ interrupts = <GIC_SPI 21 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc CLKID_I2C>;
+ };
+
clk_msr: clock-measure@18000 {
compatible = "amlogic,meson-g12a-clk-measure";
reg = <0x0 0x18000 0x0 0x10>;
--
2.20.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH 2/3] arm64: dts: meson: u200: enable i2c busses
2019-05-14 10:12 [PATCH 0/3] arm64: dts: meson: g12a: add i2c Jerome Brunet
2019-05-14 10:12 ` [PATCH 1/3] arm64: dts: meson: g12a: add i2c nodes Jerome Brunet
@ 2019-05-14 10:12 ` Jerome Brunet
2019-05-14 10:12 ` [PATCH 3/3] arm64: dts: meson: sei510: enable i2c3 Jerome Brunet
2019-05-20 21:14 ` [PATCH 0/3] arm64: dts: meson: g12a: add i2c Kevin Hilman
3 siblings, 0 replies; 5+ messages in thread
From: Jerome Brunet @ 2019-05-14 10:12 UTC (permalink / raw)
To: Kevin Hilman; +Cc: devicetree, linux-amlogic, linux-kernel, Jerome Brunet
Add the 3 i2c busses present on the u200 reference design.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
.../boot/dts/amlogic/meson-g12a-u200.dts | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
index 972926121beb..e02534ab7673 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
@@ -169,6 +169,27 @@
pinctrl-names = "default";
};
+/* i2c Touch */
+&i2c0 {
+ status = "okay";
+ pinctrl-0 = <&i2c0_sda_z0_pins>, <&i2c0_sck_z1_pins>;
+ pinctrl-names = "default";
+};
+
+/* i2c CM */
+&i2c2 {
+ status = "okay";
+ pinctrl-0 = <&i2c2_sda_z_pins>, <&i2c2_sck_z_pins>;
+ pinctrl-names = "default";
+};
+
+/* i2c Audio */
+&i2c3 {
+ status = "okay";
+ pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+ pinctrl-names = "default";
+};
+
/* SD card */
&sd_emmc_b {
status = "okay";
--
2.20.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH 3/3] arm64: dts: meson: sei510: enable i2c3
2019-05-14 10:12 [PATCH 0/3] arm64: dts: meson: g12a: add i2c Jerome Brunet
2019-05-14 10:12 ` [PATCH 1/3] arm64: dts: meson: g12a: add i2c nodes Jerome Brunet
2019-05-14 10:12 ` [PATCH 2/3] arm64: dts: meson: u200: enable i2c busses Jerome Brunet
@ 2019-05-14 10:12 ` Jerome Brunet
2019-05-20 21:14 ` [PATCH 0/3] arm64: dts: meson: g12a: add i2c Kevin Hilman
3 siblings, 0 replies; 5+ messages in thread
From: Jerome Brunet @ 2019-05-14 10:12 UTC (permalink / raw)
To: Kevin Hilman; +Cc: devicetree, linux-amlogic, linux-kernel, Jerome Brunet
Add the i2c bus used for RGB led controller.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
index bb45e3577ff5..f420935b76db 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
@@ -161,6 +161,12 @@
};
};
+&i2c3 {
+ status = "okay";
+ pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+ pinctrl-names = "default";
+};
+
&saradc {
status = "okay";
vref-supply = <&vddio_ao1v8>;
--
2.20.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread* Re: [PATCH 0/3] arm64: dts: meson: g12a: add i2c
2019-05-14 10:12 [PATCH 0/3] arm64: dts: meson: g12a: add i2c Jerome Brunet
` (2 preceding siblings ...)
2019-05-14 10:12 ` [PATCH 3/3] arm64: dts: meson: sei510: enable i2c3 Jerome Brunet
@ 2019-05-20 21:14 ` Kevin Hilman
3 siblings, 0 replies; 5+ messages in thread
From: Kevin Hilman @ 2019-05-20 21:14 UTC (permalink / raw)
To: Jerome Brunet; +Cc: devicetree, linux-amlogic, linux-kernel, Jerome Brunet
Jerome Brunet <jbrunet@baylibre.com> writes:
> Add the i2c controllers and pinctrl definitions to the g12a DT then
> the busses present on the u200 and sei510.
>
> Notice the use of the pinconf DT property 'drive-strength-microamp'.
> Support for this property is not yet merged in meson pinctrl driver but
> the DT part as been acked by the DT maintainer [0] so it should be safe
> to use.
Queued for v5.3,
Thanks,
Kevin
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^ permalink raw reply [flat|nested] 5+ messages in thread