From 930bc3742372f6b61fa86852a0e63c78375bbbeb Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 21 Jan 2016 19:43:42 -0700 Subject: rockchip: i2c: Update the driver to use the new clock ID We can use the new clk_get_by_index() function to get the correct clock. Signed-off-by: Simon Glass --- drivers/i2c/rk_i2c.c | 38 ++++++++++++++++++++++---------------- 1 file changed, 22 insertions(+), 16 deletions(-) (limited to 'drivers/i2c') diff --git a/drivers/i2c/rk_i2c.c b/drivers/i2c/rk_i2c.c index ebdba35..3fceade 100644 --- a/drivers/i2c/rk_i2c.c +++ b/drivers/i2c/rk_i2c.c @@ -30,10 +30,9 @@ DECLARE_GLOBAL_DATA_PTR; struct rk_i2c { struct udevice *clk; - struct udevice *pinctrl; struct i2c_regs *regs; unsigned int speed; - enum periph_id id; + int clk_id; }; static inline void rk_i2c_get_div(int div, int *divh, int *divl) @@ -56,7 +55,7 @@ static void rk_i2c_set_clk(struct rk_i2c *i2c, uint32_t scl_rate) int div, divl, divh; /* First get i2c rate from pclk */ - i2c_rate = clk_get_periph_rate(i2c->clk, i2c->id); + i2c_rate = clk_get_periph_rate(i2c->clk, i2c->clk_id); div = DIV_ROUND_UP(i2c_rate, scl_rate * 8) - 2; divh = 0; @@ -352,23 +351,29 @@ int rockchip_i2c_set_bus_speed(struct udevice *bus, unsigned int speed) return 0; } -static int rockchip_i2c_probe(struct udevice *bus) +static int rockchip_i2c_ofdata_to_platdata(struct udevice *bus) { - struct rk_i2c *i2c = dev_get_priv(bus); + struct rk_i2c *priv = dev_get_priv(bus); int ret; - ret = uclass_get_device(UCLASS_PINCTRL, 0, &i2c->pinctrl); - if (ret) - return ret; - ret = uclass_get_device(UCLASS_CLK, 0, &i2c->clk); - if (ret) - return ret; - ret = pinctrl_get_periph_id(i2c->pinctrl, bus); - if (ret < 0) + ret = clk_get_by_index(bus, 0, &priv->clk); + if (ret < 0) { + debug("%s: Could not get clock for %s: %d\n", __func__, + bus->name, ret); return ret; - i2c->id = ret; - i2c->regs = (void *)dev_get_addr(bus); - return pinctrl_request(i2c->pinctrl, i2c->id, 0); + } + priv->clk_id = ret; + + return 0; +} + +static int rockchip_i2c_probe(struct udevice *bus) +{ + struct rk_i2c *priv = dev_get_priv(bus); + + priv->regs = (void *)dev_get_addr(bus); + + return 0; } static const struct dm_i2c_ops rockchip_i2c_ops = { @@ -385,6 +390,7 @@ U_BOOT_DRIVER(i2c_rockchip) = { .name = "i2c_rockchip", .id = UCLASS_I2C, .of_match = rockchip_i2c_ids, + .ofdata_to_platdata = rockchip_i2c_ofdata_to_platdata, .probe = rockchip_i2c_probe, .priv_auto_alloc_size = sizeof(struct rk_i2c), .ops = &rockchip_i2c_ops, -- cgit v1.1