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authors.hauer@pengutronix.de <s.hauer@pengutronix.de>2008-04-25 20:56:04 +1000
committerGrant Likely <grant.likely@secretlab.ca>2008-04-29 07:16:59 -0600
commit3cd2550c736688c7f2651134e08bd5b5db5bed70 (patch)
tree1a018f08e0fdc0a036c77722ba05f3bb08add9eb /Documentation/powerpc
parentf800ab44f5cd094743dc3df371bcf986375f5774 (diff)
[POWERPC] mpc5200: add gpiolib support for mpc5200
This patch adds gpiolib support for mpc5200 SOCs. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'Documentation/powerpc')
-rw-r--r--Documentation/powerpc/mpc52xx-device-tree-bindings.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/powerpc/mpc52xx-device-tree-bindings.txt b/Documentation/powerpc/mpc52xx-device-tree-bindings.txt
index 5e03610e186..cda7a7dffa6 100644
--- a/Documentation/powerpc/mpc52xx-device-tree-bindings.txt
+++ b/Documentation/powerpc/mpc52xx-device-tree-bindings.txt
@@ -186,6 +186,12 @@ Recommended soc5200 child nodes; populate as needed for your board
name device_type compatible Description
---- ----------- ---------- -----------
gpt@<addr> gpt fsl,mpc5200-gpt General purpose timers
+gpt@<addr> gpt fsl,mpc5200-gpt-gpio General purpose
+ timers in GPIO mode
+gpio@<addr> fsl,mpc5200-gpio MPC5200 simple gpio
+ controller
+gpio@<addr> fsl,mpc5200-gpio-wkup MPC5200 wakeup gpio
+ controller
rtc@<addr> rtc mpc5200-rtc Real time clock
mscan@<addr> mscan mpc5200-mscan CAN bus controller
pci@<addr> pci mpc5200-pci PCI bridge
@@ -225,6 +231,12 @@ PSC in i2s mode: The mpc5200 and mpc5200b PSCs are not compatible when in
i2s mode. An 'mpc5200b-psc-i2s' node cannot include 'mpc5200-psc-i2s' in the
compatible field.
+7) GPIO controller nodes
+Each GPIO controller node should have the empty property gpio-controller and
+#gpio-cells set to 2. First cell is the GPIO number which is interpreted
+according to the bit numbers in the GPIO control registers. The second cell
+is for flags which is currently unsused.
+
IV - Extra Notes
================