From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Schocher Date: Fri, 22 Jan 2016 06:24:14 +0100 Subject: [U-Boot] [PATCH v9 18/49] rockchip: i2c: Update the driver to use the new clock ID In-Reply-To: <1453430653-3280-19-git-send-email-sjg@chromium.org> References: <1453430653-3280-1-git-send-email-sjg@chromium.org> <1453430653-3280-19-git-send-email-sjg@chromium.org> Message-ID: <56A1BCFE.70106@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hello Simon, Am 22.01.2016 um 03:43 schrieb Simon Glass: > We can use the new clk_get_by_index() function to get the correct clock. > > Signed-off-by: Simon Glass > --- > > Changes in v9: None > Changes in v2: > - Update call to clk_get_by_index() > > drivers/i2c/rk_i2c.c | 38 ++++++++++++++++++++++---------------- > 1 file changed, 22 insertions(+), 16 deletions(-) Thanks! Reviewed-by: Heiko Schocher bye, Heiko > 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, > -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany