linux-kernel - [PATCH] powerpc: Add support for PORTA and PORTB odr registers

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Date:	Tue, 13 Nov 2007 19:28:42 +0100
From:	Jochen Friedrich <jochen@...am.de>
To:	"linuxppc-embedded@...abs.org" <linuxppc-embedded@...abs.org>
CC:	linux-kernel@...r.kernel.org, Scott Wood <scottwood@...escale.com>,
	paulus@...ba.org
Subject: [PATCH] powerpc: Add support for PORTA and PORTB odr registers

PORTA and PORTB have odr registers, as well. However, the PORTB odr
register is only 16bit.

Signed-off-by: Jochen Friedrich <jochen@...am.de>
---
 arch/powerpc/sysdev/commproc.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/sysdev/commproc.c b/arch/powerpc/sysdev/commproc.c
index d5a0dcf..3694a69 100644
--- a/arch/powerpc/sysdev/commproc.c
+++ b/arch/powerpc/sysdev/commproc.c
@@ -441,6 +441,13 @@ static void cpm1_set_pin32(int port, int pin, int flags)
 	else
 		clrbits32(&iop->par, pin);
 
+	if (port == CPM_PORTB) {
+		if (flags & CPM_PIN_OPENDRAIN)
+			setbits16(&mpc8xx_immr->im_cpm.cp_pbodr, pin);
+		else
+			clrbits16(&mpc8xx_immr->im_cpm.cp_pbodr, pin);
+	}
+
 	if (port == CPM_PORTE) {
 		if (flags & CPM_PIN_SECONDARY)
 			setbits32(&iop->sor, pin);
@@ -474,6 +481,12 @@ static void cpm1_set_pin16(int port, int pin, int flags)
 	else
 		clrbits16(&iop->par, pin);
 
+	if (port == CPM_PORTA) {
+		if (flags & CPM_PIN_OPENDRAIN)
+			setbits16(&iop->odr, pin);
+		else
+			clrbits16(&iop->odr, pin);
+	}
 	if (port == CPM_PORTC) {
 		if (flags & CPM_PIN_SECONDARY)
 			setbits16(&iop->sor, pin);
-- 
1.5.3.5

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