48 static void rk_i2c_set_clk(struct rk_i2c *i2c, uint32_t scl_rate)  in rk_i2c_set_clk()  argument
54 	i2c_rate = clk_get_rate(&i2c->clk);  in rk_i2c_set_clk()
61 	writel(I2C_CLKDIV_VAL(divl, divh), &i2c->regs->clkdiv);  in rk_i2c_set_clk()
66 	debug("set clk(I2C_CLKDIV: 0x%08x)\n", readl(&i2c->regs->clkdiv));  in rk_i2c_set_clk()
90 static int rk_i2c_send_start_bit(struct rk_i2c *i2c)  in rk_i2c_send_start_bit()  argument
92 	struct i2c_regs *regs = i2c->regs;  in rk_i2c_send_start_bit()
118 static int rk_i2c_send_stop_bit(struct rk_i2c *i2c)  in rk_i2c_send_stop_bit()  argument
120 	struct i2c_regs *regs = i2c->regs;  in rk_i2c_send_stop_bit()
146 static inline void rk_i2c_disable(struct rk_i2c *i2c)  in rk_i2c_disable()  argument
148 	writel(0, &i2c->regs->con);  in rk_i2c_disable()
151 static int rk_i2c_read(struct rk_i2c *i2c, uchar chip, uint reg, uint r_len,  in rk_i2c_read()  argument
154 	struct i2c_regs *regs = i2c->regs;  in rk_i2c_read()
169 	err = rk_i2c_send_start_bit(i2c);  in rk_i2c_read()
244 	rk_i2c_send_stop_bit(i2c);  in rk_i2c_read()
245 	rk_i2c_disable(i2c);  in rk_i2c_read()
250 static int rk_i2c_write(struct rk_i2c *i2c, uchar chip, uint reg, uint r_len,  in rk_i2c_write()  argument
253 	struct i2c_regs *regs = i2c->regs;  in rk_i2c_write()
265 	err = rk_i2c_send_start_bit(i2c);  in rk_i2c_write()
323 	rk_i2c_send_stop_bit(i2c);  in rk_i2c_write()
324 	rk_i2c_disable(i2c);  in rk_i2c_write()
332 	struct rk_i2c *i2c = dev_get_priv(bus);  in rockchip_i2c_xfer()  local
339 			ret = rk_i2c_read(i2c, msg->addr, 0, 0, msg->buf,  in rockchip_i2c_xfer()
342 			ret = rk_i2c_write(i2c, msg->addr, 0, 0, msg->buf,  in rockchip_i2c_xfer()
356 	struct rk_i2c *i2c = dev_get_priv(bus);  in rockchip_i2c_set_bus_speed()  local
358 	rk_i2c_set_clk(i2c, speed);  in rockchip_i2c_set_bus_speed()