diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2017-01-10 07:09:08 -0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-01-12 07:42:32 +0100 |
| commit | 5d296b98ea3ea26b026a6107b5376de61f6bfec2 (patch) | |
| tree | 1308f141065bcb1e6b5486aef84c2d5b17076e00 | |
| parent | 094820a63bfd304827f00b6c853d792e7e1bebe7 (diff) | |
| download | barebox-5d296b98ea3ea26b026a6107b5376de61f6bfec2.tar.gz barebox-5d296b98ea3ea26b026a6107b5376de61f6bfec2.tar.xz | |
i.MX: vf610: Add low-level pin configuration helper
Add low-level pin configuration helper for early boot code, and convert
pinctrl driver to use that code as well.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-imx/include/mach/iomux-vf610.h | 15 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-vf610.c | 11 |
2 files changed, 21 insertions, 5 deletions
diff --git a/arch/arm/mach-imx/include/mach/iomux-vf610.h b/arch/arm/mach-imx/include/mach/iomux-vf610.h index 15356282f2..84a1eb5753 100644 --- a/arch/arm/mach-imx/include/mach/iomux-vf610.h +++ b/arch/arm/mach-imx/include/mach/iomux-vf610.h @@ -223,4 +223,19 @@ enum { VF610_PAD_DDR_ODT0__DDR_ODT_1 = IOMUX_PAD(0x02d8, 0x02d8, 0, __NA_, 0, VF610_DDR_PAD_CTRL), }; +#define PINCTRL_VF610_MUX_SHIFT 20 + + +static inline void vf610_setup_pad(void __iomem *iomux, iomux_v3_cfg_t pad) +{ + iomux_v3_setup_pad(iomux, SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID, + IOMUX_CTRL_OFS(pad), + IOMUX_PAD_CTRL_OFS(pad), + IOMUX_SEL_INPUT_OFS(pad), + IOMUX_MODE(pad) << PINCTRL_VF610_MUX_SHIFT, + IOMUX_PAD_CTRL(pad), + IOMUX_SEL_INPUT(pad)); +} + + #endif /* __IOMUX_VF610_H__ */ diff --git a/drivers/pinctrl/pinctrl-vf610.c b/drivers/pinctrl/pinctrl-vf610.c index b479bf20e6..4234263d37 100644 --- a/drivers/pinctrl/pinctrl-vf610.c +++ b/drivers/pinctrl/pinctrl-vf610.c @@ -24,9 +24,10 @@ #include <malloc.h> #include <gpio.h> +#include <mach/iomux-vf610.h> + enum { PINCTRL_VF610_MUX_LINE_SIZE = 20, - PINCTRL_VF610_MUX_SHIFT = 20, PINCTRL_VF610_IBE = 1 << 0, PINCTRL_VF610_OBE = 1 << 1, @@ -60,17 +61,17 @@ static int pinctrl_vf610_set_state(struct pinctrl_device *pdev, npins = size / PINCTRL_VF610_MUX_LINE_SIZE; for (i = 0; i < npins; i++) { + iomux_v3_cfg_t pad; u32 mux_reg = be32_to_cpu(*list++); u32 input_reg = be32_to_cpu(*list++); u32 mux_val = be32_to_cpu(*list++); u32 input_val = be32_to_cpu(*list++); u32 conf_val = be32_to_cpu(*list++); - writel(mux_val << PINCTRL_VF610_MUX_SHIFT | conf_val, - iomux->base + mux_reg); + pad = IOMUX_PAD(mux_reg, mux_reg, mux_val, + input_reg, input_val, conf_val); - if (input_reg) - writel(input_val, iomux->base + input_reg); + vf610_setup_pad(iomux->base, pad); } return 0; |