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Add i2c pins to dts and board setup

PATCH Superseded Jochen Friedrich 2 participants 2 messages May 10, 2008 – May 13, 2008

Subsystems (4)
Device tree bindings PowerPC I2C subsystem host drivers Linux for PowerPC embedded PPC8XX and PPC83XX

v1 of 2 Superseded Latest is v2 →

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Jochen Friedrich

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#0 lore raw

PATCH 1/1 Add i2c pins to dts and board setup

Initialize I2C pins on boards with CPM1/CPM2 controllers.

Signed-off-by Jochen Friedrich <[email protected]>
---
 arch/powerpc/boot/dts/mpc8272ads.dts         |   10 ++++++++++
 arch/powerpc/boot/dts/mpc866ads.dts          |   10 ++++++++++
 arch/powerpc/boot/dts/mpc885ads.dts          |   10 ++++++++++
 arch/powerpc/platforms/82xx/mpc8272_ads.c    |    4 ++++
 arch/powerpc/platforms/8xx/mpc86xads_setup.c |    4 ++++
 arch/powerpc/platforms/8xx/mpc885ads_setup.c |    3 +++
 6 files changed, 41 insertions(+), 0 deletions(-)
arch/powerpc/boot/dts/mpc8272ads.dts +10 -0
index 46e2da3..57abcc1 100644
@@ -217,6 +217,16 @@
 				linux,network-index = <1>;
 				fsl,cpm-command = <0x16200300>;
 			};
+
+			i2c@11860 {
+				compatible = "fsl,mpc8272-i2c",
+					     "fsl,cpm2-i2c",
+					     "fsl,cpm-i2c";
+				reg = <11860 20 8afc 2>;
+				interrupts = <1 8>;
+				interrupt-parent = <&PIC>;
+				fsl,cpm-command = <29600000>;
+			};
 		};
 
 		PIC: interrupt-controller@10c00 {
arch/powerpc/boot/dts/mpc866ads.dts +10 -0
index 765e43c..84c190e 100644
@@ -171,6 +171,16 @@
 				fsl,cpm-command = <0000>;
 				linux,network-index = <1>;
 			};
+
+			i2c@860 {
+				compatible = "fsl,mpc866-i2c",
+					     "fsl,cpm1-i2c",
+					     "fsl,cpm-i2c";
+				reg = <860 20 3c80 30>;
+				interrupts = <10>;
+				interrupt-parent = <&CPM_PIC>;
+				fsl,cpm-command = <0010>;
+			};
 		};
 	};
arch/powerpc/boot/dts/mpc885ads.dts +10 -0
index 9895043..67d0e8d 100644
@@ -215,6 +215,16 @@
 				fsl,cpm-command = <0x80>;
 				linux,network-index = <2>;
 			};
+
+			i2c@860 {
+				compatible = "fsl,mpc885-i2c",
+					     "fsl,cpm1-i2c",
+					     "fsl,cpm-i2c";
+				reg = <860 20 3c80 30>;
+				interrupts = <10>;
+				interrupt-parent = <&CPM_PIC>;
+				fsl,cpm-command = <0010>;
+			};
 		};
 	};
arch/powerpc/platforms/82xx/mpc8272_ads.c +4 -0
index 7d30187..8054c68 100644
@@ -96,6 +96,10 @@ static struct cpm_pin mpc8272_ads_pins[] = {
 	{1, 31, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
 	{2, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
 	{2, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+
+	/* I2C */
+	{3, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
+	{3, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
 };
 
 static void __init init_ioports(void)
arch/powerpc/platforms/8xx/mpc86xads_setup.c +4 -0
index c028a5b..caaec29 100644
@@ -65,6 +65,10 @@ static struct cpm_pin mpc866ads_pins[] = {
 	{CPM_PORTD, 13, CPM_PIN_OUTPUT},
 	{CPM_PORTD, 14, CPM_PIN_OUTPUT},
 	{CPM_PORTD, 15, CPM_PIN_OUTPUT},
+
+	/* I2C */
+	{CPM_PORTB, 26, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
+	{CPM_PORTB, 27, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
 };
 
 static void __init init_ioports(void)
arch/powerpc/platforms/8xx/mpc885ads_setup.c +3 -0
index 6e7ded0..45ed6cd 100644
@@ -158,6 +158,9 @@ static struct cpm_pin mpc885ads_pins[] = {
 	{CPM_PORTE, 28, CPM_PIN_OUTPUT},
 	{CPM_PORTE, 29, CPM_PIN_OUTPUT},
 #endif
+	/* I2C */
+	{CPM_PORTB, 26, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
+	{CPM_PORTB, 27, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
 };
 
 static void __init init_ioports(void)
Signature · 1 line
1.5.5.1
#1 lore raw
Quoted 65 lines · Jochen Friedrich

Initialize I2C pins on boards with CPM1/CPM2 controllers.

Signed-off-by Jochen Friedrich <[email protected]>
---
 arch/powerpc/boot/dts/mpc8272ads.dts         |   10 ++++++++++
 arch/powerpc/boot/dts/mpc866ads.dts          |   10 ++++++++++
 arch/powerpc/boot/dts/mpc885ads.dts          |   10 ++++++++++
 arch/powerpc/platforms/82xx/mpc8272_ads.c    |    4 ++++
 arch/powerpc/platforms/8xx/mpc86xads_setup.c |    4 ++++
 arch/powerpc/platforms/8xx/mpc885ads_setup.c |    3 +++
 6 files changed, 41 insertions(+), 0 deletions(-)
arch/powerpc/boot/dts/mpc8272ads.dts +10 -0
index 46e2da3..57abcc1 100644
@@ -217,6 +217,16 @@
 				linux,network-index = <1>;
 				fsl,cpm-command = <0x16200300>;
 			};
+
+			i2c@11860 {
+				compatible = "fsl,mpc8272-i2c",
+					     "fsl,cpm2-i2c",
+					     "fsl,cpm-i2c";
+				reg = <11860 20 8afc 2>;
+				interrupts = <1 8>;
+				interrupt-parent = <&PIC>;
+				fsl,cpm-command = <29600000>;
+			};
 		};
 
 		PIC: interrupt-controller@10c00 {
arch/powerpc/boot/dts/mpc866ads.dts +10 -0
index 765e43c..84c190e 100644
@@ -171,6 +171,16 @@
 				fsl,cpm-command = <0000>;
 				linux,network-index = <1>;
 			};
+
+			i2c@860 {
+				compatible = "fsl,mpc866-i2c",
+					     "fsl,cpm1-i2c",
+					     "fsl,cpm-i2c";
+				reg = <860 20 3c80 30>;
+				interrupts = <10>;
+				interrupt-parent = <&CPM_PIC>;
+				fsl,cpm-command = <0010>;
+			};
 		};
 	};
arch/powerpc/boot/dts/mpc885ads.dts +3 -0
index 9895043..67d0e8d 100644
@@ -215,6 +215,16 @@
 				fsl,cpm-command = <0x80>;
 				linux,network-index = <2>;
 			};
+
+			i2c@860 {
+				compatible = "fsl,mpc885-i2c",

arch/powerpc/boot/dts/mpc885ads.dts line 230

Quoted 10 lines
arch/powerpc/boot/dts/mpc885ads.dts +7 -0
+					     "fsl,cpm1-i2c",
+					     "fsl,cpm-i2c";
+				reg = <860 20 3c80 30>;
+				interrupts = <10>;
+				interrupt-parent = <&CPM_PIC>;
+				fsl,cpm-command = <0010>;
+			};
 		};
 	};

These are v1 dts files -- you need an 0x prefix on the hex numbers.

-Scott