dm: sandbox: i2c: Use new emulator parent uclass

Update the device tree, sandbox i2c driver and tests to use the new
emulation parent to hold emulators.

Signed-off-by: Simon Glass <sjg@chromium.org>

4 files changed, 85 insertions, 60 deletions

diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts
index 1cda911d1f..ce3c88c221 100644
--- a/arch/sandbox/dts/sandbox.dts
+++ b/arch/sandbox/dts/sandbox.dts
@@ -95,19 +95,11 @@
 		eeprom@2c {
 			reg = <0x2c>;
 			compatible = "i2c-eeprom";
-			emul {
-				compatible = "sandbox,i2c-eeprom";
-				sandbox,filename = "i2c.bin";
-				sandbox,size = <128>;
-			};
 		};
 
 		rtc_0: rtc@43 {
 			reg = <0x43>;
 			compatible = "sandbox-rtc";
-			emul {
-				compatible = "sandbox,i2c-rtc";
-			};
 		};
 		sandbox_pmic: sandbox_pmic {
 			reg = <0x40>;
@@ -116,6 +108,23 @@
 		mc34708: pmic@41 {
 			reg = <0x41>;
 		};
+
+		i2c_emul: emul {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0xff>;
+			compatible = "sandbox,i2c-emul-parent";
+			emul-eeprom {
+				reg = <0x2c>;
+				compatible = "sandbox,i2c-eeprom";
+				sandbox,filename = "i2c.bin";
+				sandbox,size = <256>;
+			};
+			emul0 {
+				reg = <0x43>;
+				compatible = "sandbox,i2c-rtc";
+			};
+		};
 	};
 
 	lcd {
diff --git a/arch/sandbox/dts/sandbox64.dts b/arch/sandbox/dts/sandbox64.dts
index 2c6d351381..d30fd62a2a 100644
--- a/arch/sandbox/dts/sandbox64.dts
+++ b/arch/sandbox/dts/sandbox64.dts
@@ -90,19 +90,11 @@
 		eeprom@2c {
 			reg = <0x2c>;
 			compatible = "i2c-eeprom";
-			emul {
-				compatible = "sandbox,i2c-eeprom";
-				sandbox,filename = "i2c.bin";
-				sandbox,size = <128>;
-			};
 		};
 
 		rtc_0: rtc@43 {
 			reg = <0x43>;
 			compatible = "sandbox-rtc";
-			emul {
-				compatible = "sandbox,i2c-rtc";
-			};
 		};
 		sandbox_pmic: sandbox_pmic {
 			reg = <0x40>;
@@ -111,6 +103,19 @@
 		mc34708: pmic@41 {
 			reg = <0x41>;
 		};
+
+		i2c_emul: emul {
+			reg = <0xff>;
+			compatible = "sandbox,i2c-emul-parent";
+			emul-eeprom {
+				compatible = "sandbox,i2c-eeprom";
+				sandbox,filename = "i2c.bin";
+				sandbox,size = <256>;
+			};
+			emul0 {
+				compatible = "sandbox,i2c-rtc";
+			};
+		};
 	};
 
 	lcd {
diff --git a/arch/sandbox/dts/sandbox_pmic.dtsi b/arch/sandbox/dts/sandbox_pmic.dtsi
index 5ecafaab36..565c382ed4 100644
--- a/arch/sandbox/dts/sandbox_pmic.dtsi
+++ b/arch/sandbox/dts/sandbox_pmic.dtsi
@@ -11,40 +11,6 @@
 &sandbox_pmic {
 	compatible = "sandbox,pmic";
 
-	pmic_emul {
-		compatible = "sandbox,i2c-pmic";
-
-		/*
-		 * Default PMICs register values are set by macro
-		 * VAL2REG(min, step, value) [uV/uA]
-		 * VAL2OMREG(mode id)
-		 * reg-defaults - byte array
-		 */
-		reg-defaults = /bits/ 8 <
-			/* BUCK1 */
-			VAL2REG(800000, 25000, 1000000)
-			VAL2REG(150000, 25000, 150000)
-			VAL2OMREG(BUCK_OM_OFF)
-			/* BUCK2 */
-			VAL2REG(750000, 50000, 3000000)
-			VAL2REG(150000, 25000, 150000)
-			VAL2OMREG(0)
-			/* LDO1 */
-			VAL2REG(800000, 25000, 1600000)
-			VAL2REG(100000, 50000, 150000)
-			VAL2OMREG(LDO_OM_OFF)
-			/* LDO2 */
-			VAL2REG(750000, 50000, 3000000)
-			VAL2REG(150000, 25000, 150000)
-			VAL2OMREG(0)
-			/* reg[12:15] - not used */
-			0x00
-			0x00
-			0x00
-			0x00
-		>;
-	};
-
 	buck1 {
 		regulator-name = "SUPPLY_1.2V";
 		regulator-min-microvolt = <1200000>;
@@ -84,10 +50,45 @@
 
 &mc34708 {
 	compatible = "fsl,mc34708";
+};
 
-	pmic_emul {
+&i2c_emul {
+	emul_pmic0: pmic-emul0 {
 		compatible = "sandbox,i2c-pmic";
 
+		/*
+		 * Default PMICs register values are set by macro
+		 * VAL2REG(min, step, value) [uV/uA]
+		 * VAL2OMREG(mode id)
+		 * reg-defaults - byte array
+		 */
+		reg-defaults = /bits/ 8 <
+			/* BUCK1 */
+			VAL2REG(800000, 25000, 1000000)
+			VAL2REG(150000, 25000, 150000)
+			VAL2OMREG(BUCK_OM_OFF)
+			/* BUCK2 */
+			VAL2REG(750000, 50000, 3000000)
+			VAL2REG(150000, 25000, 150000)
+			VAL2OMREG(0)
+			/* LDO1 */
+			VAL2REG(800000, 25000, 1600000)
+			VAL2REG(100000, 50000, 150000)
+			VAL2OMREG(LDO_OM_OFF)
+			/* LDO2 */
+			VAL2REG(750000, 50000, 3000000)
+			VAL2REG(150000, 25000, 150000)
+			VAL2OMREG(0)
+			/* reg[12:15] - not used */
+			0x00
+			0x00
+			0x00
+			0x00
+		>;
+	};
+
+	emul_pmic1: pmic-emul1 {
+		compatible = "sandbox,i2c-pmic";
 		reg-defaults = /bits/ 8 <
 			0x00 0x80 0x08 0xff 0xff 0xff 0x2e 0x01 0x08
 			0x40 0x80 0x81 0x5f 0xff 0xfb 0x1e 0x80 0x18
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 2c6b422312..252aa7b6b6 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -266,35 +266,45 @@
 		eeprom@2c {
 			reg = <0x2c>;
 			compatible = "i2c-eeprom";
-			emul {
-				compatible = "sandbox,i2c-eeprom";
-				sandbox,filename = "i2c.bin";
-				sandbox,size = <256>;
-			};
+			sandbox,emul = <&emul_eeprom>;
 		};
 
 		rtc_0: rtc@43 {
 			reg = <0x43>;
 			compatible = "sandbox-rtc";
-			emul {
-				compatible = "sandbox,i2c-rtc";
-			};
+			sandbox,emul = <&emul0>;
 		};
 
 		rtc_1: rtc@61 {
 			reg = <0x61>;
 			compatible = "sandbox-rtc";
-			emul {
+			sandbox,emul = <&emul1>;
+		};
+
+		i2c_emul: emul {
+			reg = <0xff>;
+			compatible = "sandbox,i2c-emul-parent";
+			emul_eeprom: emul-eeprom {
+				compatible = "sandbox,i2c-eeprom";
+				sandbox,filename = "i2c.bin";
+				sandbox,size = <256>;
+			};
+			emul0: emul0 {
+				compatible = "sandbox,i2c-rtc";
+			};
+			emul1: emull {
 				compatible = "sandbox,i2c-rtc";
 			};
 		};
 
 		sandbox_pmic: sandbox_pmic {
 			reg = <0x40>;
+			sandbox,emul = <&emul_pmic0>;
 		};
 
 		mc34708: pmic@41 {
 			reg = <0x41>;
+			sandbox,emul = <&emul_pmic1>;
 		};
 	};