Merge branch 'dt-for-v4.10' into next
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 4342682..9b97485 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -50,7 +50,9 @@
aliases {
serial0 = &scif0;
serial1 = &scifa1;
- i2c8 = "i2cexio";
+ i2c8 = &gpioi2c1;
+ i2c10 = &i2cexio0;
+ i2c11 = &i2cexio1;
};
chosen {
@@ -265,6 +267,17 @@
clock-frequency = <148500000>;
};
+ gpioi2c1: i2c-8 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "i2c-gpio";
+ status = "disabled";
+ gpios = <&gpio1 17 GPIO_ACTIVE_HIGH /* sda */
+ &gpio1 16 GPIO_ACTIVE_HIGH /* scl */
+ >;
+ i2c-gpio,delay-us = <5>;
+ };
+
/*
* IIC0/I2C0 is routed to EXIO connector A, pins 114 (SCL) + 116 (SDA) only.
* We use the I2C demuxer, so the desired IP core can be selected at runtime
@@ -273,11 +286,26 @@
* bus with IIC3 on pins 110 (SCL) + 112 (SDA), select I2C0 at runtime, and
* instantiate the slave device at runtime according to the documentation.
* You can then communicate with the slave via IIC3.
+ *
+ * IIC0/I2C0 does not appear to support fallback to GPIO.
*/
- i2cexio: i2c-8 {
+ i2cexio0: i2c-10 {
compatible = "i2c-demux-pinctrl";
i2c-parent = <&iic0>, <&i2c0>;
- i2c-bus-name = "i2c-exio";
+ i2c-bus-name = "i2c-exio0";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ /*
+ * IIC1/I2C1 is routed to EXIO connector A, pins 78 (SCL) + 80 (SDA).
+ * This is similar to the arangement described for i2cexio0 (above)
+ * with a fallback to GPIO also provided.
+ */
+ i2cexio1: i2c-11 {
+ compatible = "i2c-demux-pinctrl";
+ i2c-parent = <&iic1>, <&i2c1>, <&gpioi2c1>;
+ i2c-bus-name = "i2c-exio1";
#address-cells = <1>;
#size-cells = <0>;
};
@@ -403,6 +431,11 @@
function = "iic0";
};
+ i2c1_pins: i2c1 {
+ groups = "i2c1";
+ function = "i2c1";
+ };
+
iic1_pins: iic1 {
groups = "iic1";
function = "iic1";
@@ -596,18 +629,22 @@
&i2c0 {
pinctrl-0 = <&i2c0_pins>;
- pinctrl-names = "i2c-exio";
+ pinctrl-names = "i2c-exio0";
};
&iic0 {
pinctrl-0 = <&iic0_pins>;
- pinctrl-names = "i2c-exio";
+ pinctrl-names = "i2c-exio0";
+};
+
+&i2c1 {
+ pinctrl-0 = <&i2c1_pins>;
+ pinctrl-names = "i2c-exio1";
};
&iic1 {
- status = "okay";
pinctrl-0 = <&iic1_pins>;
- pinctrl-names = "default";
+ pinctrl-names = "i2c-exio1";
};
&iic2 {
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index c457b43..0a55883 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -50,6 +50,10 @@
aliases {
serial0 = &scif0;
serial1 = &scif1;
+ i2c9 = &gpioi2c1;
+ i2c11 = &gpioi2c4;
+ i2c12 = &i2cexio1;
+ i2c14 = &i2cexio4;
};
chosen {
@@ -298,6 +302,52 @@
#clock-cells = <0>;
clock-frequency = <148500000>;
};
+
+ gpioi2c1: i2c-9 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "i2c-gpio";
+ status = "disabled";
+ gpios = <&gpio7 16 GPIO_ACTIVE_HIGH /* sda */
+ &gpio7 15 GPIO_ACTIVE_HIGH /* scl */
+ >;
+ i2c-gpio,delay-us = <5>;
+ };
+
+ gpioi2c4: i2c-11 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "i2c-gpio";
+ status = "disabled";
+ gpios = <&gpio7 14 GPIO_ACTIVE_HIGH /* sda */
+ &gpio7 13 GPIO_ACTIVE_HIGH /* scl */
+ >;
+ i2c-gpio,delay-us = <5>;
+ };
+
+ /*
+ * I2C1 is routed to EXIO connector B, pins 64 (SCL) + 66 (SDA).
+ * A fallback to GPIO is provided.
+ */
+ i2cexio1: i2c-12 {
+ compatible = "i2c-demux-pinctrl";
+ i2c-parent = <&i2c1>, <&gpioi2c1>;
+ i2c-bus-name = "i2c-exio1";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ /*
+ * I2C4 is routed to EXIO connector E, pins 37 (SCL) + 39 (SDA).
+ * A fallback to GPIO is provided.
+ */
+ i2cexio4: i2c-14 {
+ compatible = "i2c-demux-pinctrl";
+ i2c-parent = <&i2c4>, <&gpioi2c4>;
+ i2c-bus-name = "i2c-exio4";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
};
&du {
@@ -333,11 +383,21 @@
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";
+ i2c1_pins: i2c1 {
+ groups = "i2c1";
+ function = "i2c1";
+ };
+
i2c2_pins: i2c2 {
groups = "i2c2";
function = "i2c2";
};
+ i2c4_pins: i2c4 {
+ groups = "i2c4";
+ function = "i2c4";
+ };
+
du_pins: du {
groups = "du_rgb888", "du_sync", "du_disp", "du_clk_out_0";
function = "du";
@@ -581,6 +641,11 @@
};
};
+&i2c1 {
+ pinctrl-0 = <&i2c1_pins>;
+ pinctrl-names = "i2c-exio1";
+};
+
&i2c2 {
pinctrl-0 = <&i2c2_pins>;
pinctrl-names = "default";
@@ -673,6 +738,11 @@
};
};
+&i2c4 {
+ pinctrl-0 = <&i2c4_pins>;
+ pinctrl-names = "i2c-exio4";
+};
+
&i2c6 {
status = "okay";
clock-frequency = <100000>;
diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index dc311eb..5c3515a 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -48,6 +48,8 @@
aliases {
serial0 = &scif0;
serial1 = &scif1;
+ i2c10 = &gpioi2c4;
+ i2c12 = &i2cexio4;
};
chosen {
@@ -275,6 +277,29 @@
#clock-cells = <0>;
clock-frequency = <148500000>;
};
+
+ gpioi2c4: i2c-10 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "i2c-gpio";
+ status = "disabled";
+ gpios = <&gpio7 14 GPIO_ACTIVE_HIGH /* sda */
+ &gpio7 13 GPIO_ACTIVE_HIGH /* scl */
+ >;
+ i2c-gpio,delay-us = <5>;
+ };
+
+ /*
+ * I2C4 is routed to EXIO connector E, pins 37 (SCL) + 39 (SDA).
+ * A fallback to GPIO is provided.
+ */
+ i2cexio4: i2c-12 {
+ compatible = "i2c-demux-pinctrl";
+ i2c-parent = <&i2c4>, <&gpioi2c4>;
+ i2c-bus-name = "i2c-exio4";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
};
&du {
@@ -315,6 +340,11 @@
function = "i2c2";
};
+ i2c4_pins: i2c4 {
+ groups = "i2c4";
+ function = "i2c4";
+ };
+
du_pins: du {
groups = "du_rgb888", "du_sync", "du_disp", "du_clk_out_0";
function = "du";
@@ -538,6 +568,11 @@
};
};
+&i2c4 {
+ pinctrl-0 = <&i2c4_pins>;
+ pinctrl-names = "i2c-exio4";
+};
+
&rcar_sound {
pinctrl-0 = <&sound_pins &sound_clk_pins>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index a3e7468..7270d42 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -18,6 +18,8 @@
aliases {
serial0 = &scif2;
+ i2c10 = &gpioi2c4;
+ i2c12 = &i2cexio4;
};
chosen {
@@ -135,6 +137,29 @@
#clock-cells = <0>;
clock-frequency = <148500000>;
};
+
+ gpioi2c4: i2c-10 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "i2c-gpio";
+ status = "disabled";
+ gpios = <&gpio4 9 GPIO_ACTIVE_HIGH /* sda */
+ &gpio4 8 GPIO_ACTIVE_HIGH /* scl */
+ >;
+ i2c-gpio,delay-us = <5>;
+ };
+
+ /*
+ * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA).
+ * A fallback to GPIO is provided.
+ */
+ i2cexio4: i2c-14 {
+ compatible = "i2c-demux-pinctrl";
+ i2c-parent = <&i2c4>, <&gpioi2c4>;
+ i2c-bus-name = "i2c-exio4";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
};
&du {
@@ -194,6 +219,11 @@
function = "i2c1";
};
+ i2c4_pins: i2c4 {
+ groups = "i2c4";
+ function = "i2c4";
+ };
+
vin0_pins: vin0 {
groups = "vin0_data8", "vin0_clk";
function = "vin0";
@@ -314,6 +344,11 @@
};
};
+&i2c4 {
+ pinctrl-0 = <&i2c4_pins>;
+ pinctrl-names = "i2c-exio4";
+};
+
&vin0 {
status = "okay";
pinctrl-0 = <&vin0_pins>;
