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Date: Sat, 10 May 2008 17:50:29 +0200
From: Jochen Friedrich <jochen@...am.de>
To: Anton Vorontsov <avorontsov@...mvista.com>
CC: linuxppc-dev list <linuxppc-dev@...abs.org>,
"Kernel, Linux" <linux-kernel@...r.kernel.org>,
Kumar Gala <galak@...nel.crashing.org>,
Scott Wood <scottwood@...escale.com>,
Linux I2C <i2c@...sensors.org>,
Jean Delvare <khali@...ux-fr.org>
Subject: [PATCH] [POWERPC] Add i2c pins to dts and board setup
Initialize I2C pins on boards with CPM1/CPM2 controllers.
Signed-off-by: Jochen Friedrich <jochen@...am.de>
---
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(-)
diff --git a/arch/powerpc/boot/dts/mpc8272ads.dts b/arch/powerpc/boot/dts/mpc8272ads.dts
index 46e2da3..57abcc1 100644
--- a/arch/powerpc/boot/dts/mpc8272ads.dts
+++ b/arch/powerpc/boot/dts/mpc8272ads.dts
@@ -217,6 +217,16 @@
linux,network-index = <1>;
fsl,cpm-command = <0x16200300>;
};
+
+ i2c@...60 {
+ 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@...00 {
diff --git a/arch/powerpc/boot/dts/mpc866ads.dts b/arch/powerpc/boot/dts/mpc866ads.dts
index 765e43c..84c190e 100644
--- a/arch/powerpc/boot/dts/mpc866ads.dts
+++ b/arch/powerpc/boot/dts/mpc866ads.dts
@@ -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>;
+ };
};
};
diff --git a/arch/powerpc/boot/dts/mpc885ads.dts b/arch/powerpc/boot/dts/mpc885ads.dts
index 9895043..67d0e8d 100644
--- a/arch/powerpc/boot/dts/mpc885ads.dts
+++ b/arch/powerpc/boot/dts/mpc885ads.dts
@@ -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>;
+ };
};
};
diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c
index 7d30187..8054c68 100644
--- a/arch/powerpc/platforms/82xx/mpc8272_ads.c
+++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c
@@ -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)
diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
index c028a5b..caaec29 100644
--- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
@@ -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)
diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
index 6e7ded0..45ed6cd 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
@@ -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)
--
1.5.5.1
--
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