From 98d06bc9e2a2f534aaaf4229aaf871e394234d20 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Wed, 30 Jan 2013 20:13:09 +0100 Subject: [PATCH 13/40] PINCTRL: lantiq: add functionality to falcon_pinconf_dbg_show The current code only has a stub for falcon_pinconf_dbg_show. This patch adds proper functionality. Signed-off-by: Thomas Langer Signed-off-by: John Crispin --- drivers/pinctrl/pinctrl-falcon.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) --- a/drivers/pinctrl/pinctrl-falcon.c +++ b/drivers/pinctrl/pinctrl-falcon.c @@ -315,6 +315,37 @@ static int falcon_pinconf_set(struct pin static void falcon_pinconf_dbg_show(struct pinctrl_dev *pctrldev, struct seq_file *s, unsigned offset) { + unsigned long config; + struct pin_desc *desc; + + struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev); + int port = PORT(offset); + + seq_printf(s, " (port %d) mux %d -- ", port, + pad_r32(info->membase[port], LTQ_PADC_MUX(PORT_PIN(offset)))); + + config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_PULL, 0); + if (!falcon_pinconf_get(pctrldev, offset, &config)) + seq_printf(s, "pull %d ", + (int)LTQ_PINCONF_UNPACK_ARG(config)); + + config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_DRIVE_CURRENT, 0); + if (!falcon_pinconf_get(pctrldev, offset, &config)) + seq_printf(s, "drive-current %d ", + (int)LTQ_PINCONF_UNPACK_ARG(config)); + + config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_SLEW_RATE, 0); + if (!falcon_pinconf_get(pctrldev, offset, &config)) + seq_printf(s, "slew-rate %d ", + (int)LTQ_PINCONF_UNPACK_ARG(config)); + + desc = pin_desc_get(pctrldev, offset); + if (desc) { + if (desc->gpio_owner) + seq_printf(s, " owner: %s", desc->gpio_owner); + } else { + seq_printf(s, " not registered"); + } } static void falcon_pinconf_group_dbg_show(struct pinctrl_dev *pctrldev,