diff options
Diffstat (limited to 'target/linux/ipq806x/patches/0033-pinctrl-msm-Support-output-high-low-configuration.patch')
| -rw-r--r-- | target/linux/ipq806x/patches/0033-pinctrl-msm-Support-output-high-low-configuration.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches/0033-pinctrl-msm-Support-output-high-low-configuration.patch b/target/linux/ipq806x/patches/0033-pinctrl-msm-Support-output-high-low-configuration.patch new file mode 100644 index 0000000000..18c72cc4be --- /dev/null +++ b/target/linux/ipq806x/patches/0033-pinctrl-msm-Support-output-high-low-configuration.patch @@ -0,0 +1,69 @@ +From 469f83e0ed374250be5fd6202ac535276a752fa8 Mon Sep 17 00:00:00 2001 +From: Bjorn Andersson <bjorn@kryo.se> +Date: Tue, 4 Feb 2014 19:55:31 -0800 +Subject: [PATCH 033/182] pinctrl-msm: Support output-{high,low} configuration + +Add support for configuring pins as output with value as from the +pinconf-generic interface. + +Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> +Signed-off-by: Linus Walleij <linus.walleij@linaro.org> +--- + drivers/pinctrl/pinctrl-msm.c | 27 +++++++++++++++++++++++++++ + 1 file changed, 27 insertions(+) + +diff --git a/drivers/pinctrl/pinctrl-msm.c b/drivers/pinctrl/pinctrl-msm.c +index 91de8bc..19d2feb 100644 +--- a/drivers/pinctrl/pinctrl-msm.c ++++ b/drivers/pinctrl/pinctrl-msm.c +@@ -214,6 +214,11 @@ static int msm_config_reg(struct msm_pinctrl *pctrl, + *bit = g->drv_bit; + *mask = 7; + break; ++ case PIN_CONFIG_OUTPUT: ++ *reg = g->ctl_reg; ++ *bit = g->oe_bit; ++ *mask = 1; ++ break; + default: + dev_err(pctrl->dev, "Invalid config param %04x\n", param); + return -ENOTSUPP; +@@ -282,6 +287,14 @@ static int msm_config_group_get(struct pinctrl_dev *pctldev, + case PIN_CONFIG_DRIVE_STRENGTH: + arg = msm_regval_to_drive(arg); + break; ++ case PIN_CONFIG_OUTPUT: ++ /* Pin is not output */ ++ if (!arg) ++ return -EINVAL; ++ ++ val = readl(pctrl->regs + g->io_reg); ++ arg = !!(val & BIT(g->in_bit)); ++ break; + default: + dev_err(pctrl->dev, "Unsupported config parameter: %x\n", + param); +@@ -337,6 +350,20 @@ static int msm_config_group_set(struct pinctrl_dev *pctldev, + else + arg = (arg / 2) - 1; + break; ++ case PIN_CONFIG_OUTPUT: ++ /* set output value */ ++ spin_lock_irqsave(&pctrl->lock, flags); ++ val = readl(pctrl->regs + g->io_reg); ++ if (arg) ++ val |= BIT(g->out_bit); ++ else ++ val &= ~BIT(g->out_bit); ++ writel(val, pctrl->regs + g->io_reg); ++ spin_unlock_irqrestore(&pctrl->lock, flags); ++ ++ /* enable output */ ++ arg = 1; ++ break; + default: + dev_err(pctrl->dev, "Unsupported config parameter: %x\n", + param); +-- +1.7.10.4 + |