diff mbox

[U-Boot,v4,05/10] tegra: Add keyboard support to funcmux

Message ID 1334689297-13489-6-git-send-email-sjg@chromium.org
State Accepted, archived
Headers show

Commit Message

Simon Glass April 17, 2012, 7:01 p.m. UTC 
Add funcmux support for the default keyboard mapping.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
Changes in v3:
- Use funcmux to set up keyboard pinmux

 arch/arm/cpu/armv7/tegra2/funcmux.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

Comments

Stephen Warren April 23, 2012, 8:56 p.m. UTC | #1 
On 04/17/2012 01:01 PM, Simon Glass wrote:
> Add funcmux support for the default keyboard mapping.
> 
> Signed-off-by: Simon Glass <sjg@chromium.org>

Acked-by: Stephen Warren <swarren@wwwdotorg.org>
diff mbox

Patch

diff --git a/arch/arm/cpu/armv7/tegra2/funcmux.c b/arch/arm/cpu/armv7/tegra2/funcmux.c
index 8931d5e..53e85ff 100644
--- a/arch/arm/cpu/armv7/tegra2/funcmux.c
+++ b/arch/arm/cpu/armv7/tegra2/funcmux.c
@@ -176,6 +176,22 @@  int funcmux_select(enum periph_id id, int config)
 		}
 		break;
 
+	case PERIPH_ID_KBC:
+		if (config == FUNCMUX_DEFAULT) {
+			enum pmux_pingrp grp[] = {PINGRP_KBCA, PINGRP_KBCB,
+				PINGRP_KBCC, PINGRP_KBCD, PINGRP_KBCE,
+				PINGRP_KBCF};
+			int i;
+
+			for (i = 0; i < ARRAY_SIZE(grp); i++) {
+				pinmux_tristate_disable(grp[i]);
+				pinmux_set_func(grp[i], PMUX_FUNC_KBC);
+				pinmux_set_pullupdown(grp[i], PMUX_PULL_UP);
+			}
+
+			break;
+		}
+
 	default:
 		debug("%s: invalid periph_id %d", __func__, id);
 		return -1;