diff options
Diffstat (limited to 'target/linux/realtek/files-5.15/drivers/i2c/busses/i2c-rtl9300.c')
| -rw-r--r-- | target/linux/realtek/files-5.15/drivers/i2c/busses/i2c-rtl9300.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/target/linux/realtek/files-5.15/drivers/i2c/busses/i2c-rtl9300.c b/target/linux/realtek/files-5.15/drivers/i2c/busses/i2c-rtl9300.c index a1b5f669ba..9afd2f823e 100644 --- a/target/linux/realtek/files-5.15/drivers/i2c/busses/i2c-rtl9300.c +++ b/target/linux/realtek/files-5.15/drivers/i2c/busses/i2c-rtl9300.c @@ -28,22 +28,22 @@ DEFINE_MUTEX(i2c_lock); static void rtl9300_i2c_reg_addr_set(struct rtl9300_i2c *i2c, u32 reg, u16 len) { - // Set register address width + /* Set register address width */ REG_MASK(i2c, 0x3 << RTL9300_I2C_CTRL2_MADDR_WIDTH, len << RTL9300_I2C_CTRL2_MADDR_WIDTH, RTL9300_I2C_CTRL2); - // Set register address + /* Set register address */ REG_MASK(i2c, 0xffffff << RTL9300_I2C_CTRL1_MEM_ADDR, reg << RTL9300_I2C_CTRL1_MEM_ADDR, RTL9300_I2C_CTRL1); } static void rtl9310_i2c_reg_addr_set(struct rtl9300_i2c *i2c, u32 reg, u16 len) { - // Set register address width + /* Set register address width */ REG_MASK(i2c, 0x3 << RTL9310_I2C_CTRL_MADDR_WIDTH, len << RTL9310_I2C_CTRL_MADDR_WIDTH, RTL9310_I2C_CTRL); - // Set register address + /* Set register address */ writel(reg, REG(i2c, RTL9310_I2C_MEMADDR)); } @@ -51,14 +51,14 @@ static void rtl9300_i2c_config_io(struct rtl9300_i2c *i2c, int scl_num, int sda_ { u32 v; - // Set SCL pin + /* Set SCL pin */ REG_MASK(i2c, 0, BIT(RTL9300_I2C_CTRL1_GPIO8_SCL_SEL), RTL9300_I2C_CTRL1); - // Set SDA pin + /* Set SDA pin */ REG_MASK(i2c, 0x7 << RTL9300_I2C_CTRL1_SDA_OUT_SEL, i2c->sda_num << RTL9300_I2C_CTRL1_SDA_OUT_SEL, RTL9300_I2C_CTRL1); - // Set SDA pin to I2C functionality + /* Set SDA pin to I2C functionality */ v = readl(i2c->base + RTL9300_I2C_MST_GLB_CTRL); v |= BIT(i2c->sda_num); writel(v, i2c->base + RTL9300_I2C_MST_GLB_CTRL); @@ -68,14 +68,14 @@ static void rtl9310_i2c_config_io(struct rtl9300_i2c *i2c, int scl_num, int sda_ { u32 v; - // Set SCL pin + /* Set SCL pin */ REG_MASK(i2c, 0, BIT(RTL9310_I2C_MST_IF_SEL_GPIO_SCL_SEL + scl_num), RTL9310_I2C_MST_IF_SEL); - // Set SDA pin + /* Set SDA pin */ REG_MASK(i2c, 0x7 << RTL9310_I2C_CTRL_SDA_OUT_SEL, i2c->sda_num << RTL9310_I2C_CTRL_SDA_OUT_SEL, RTL9310_I2C_CTRL); - // Set SDA pin to I2C functionality + /* Set SDA pin to I2C functionality */ v = readl(i2c->base + RTL9310_I2C_MST_IF_SEL); v |= BIT(i2c->sda_num); writel(v, i2c->base + RTL9310_I2C_MST_IF_SEL); @@ -83,19 +83,19 @@ static void rtl9310_i2c_config_io(struct rtl9300_i2c *i2c, int scl_num, int sda_ static int rtl9300_i2c_config_xfer(struct rtl9300_i2c *i2c, u16 addr, u16 len) { - // Set bus frequency + /* Set bus frequency */ REG_MASK(i2c, 0x3 << RTL9300_I2C_CTRL2_SCL_FREQ, i2c->bus_freq << RTL9300_I2C_CTRL2_SCL_FREQ, RTL9300_I2C_CTRL2); - // Set slave device address + /* Set slave device address */ REG_MASK(i2c, 0x7f << RTL9300_I2C_CTRL2_DEV_ADDR, addr << RTL9300_I2C_CTRL2_DEV_ADDR, RTL9300_I2C_CTRL2); - // Set data length + /* Set data length */ REG_MASK(i2c, 0xf << RTL9300_I2C_CTRL2_DATA_WIDTH, ((len - 1) & 0xf) << RTL9300_I2C_CTRL2_DATA_WIDTH, RTL9300_I2C_CTRL2); - // Set read mode to random + /* Set read mode to random */ REG_MASK(i2c, 0x1 << RTL9300_I2C_CTRL2_READ_MODE, 0, RTL9300_I2C_CTRL2); return 0; @@ -103,19 +103,19 @@ static int rtl9300_i2c_config_xfer(struct rtl9300_i2c *i2c, u16 addr, u16 len) static int rtl9310_i2c_config_xfer(struct rtl9300_i2c *i2c, u16 addr, u16 len) { - // Set bus frequency + /* Set bus frequency */ REG_MASK(i2c, 0x3 << RTL9310_I2C_CTRL_SCL_FREQ, i2c->bus_freq << RTL9310_I2C_CTRL_SCL_FREQ, RTL9310_I2C_CTRL); - // Set slave device address + /* Set slave device address */ REG_MASK(i2c, 0x7f << RTL9310_I2C_CTRL_DEV_ADDR, addr << RTL9310_I2C_CTRL_DEV_ADDR, RTL9310_I2C_CTRL); - // Set data length + /* Set data length */ REG_MASK(i2c, 0xf << RTL9310_I2C_CTRL_DATA_WIDTH, ((len - 1) & 0xf) << RTL9310_I2C_CTRL_DATA_WIDTH, RTL9310_I2C_CTRL); - // Set read mode to random + /* Set read mode to random */ REG_MASK(i2c, 0x1 << RTL9310_I2C_CTRL_READ_MODE, 0, RTL9310_I2C_CTRL); return 0; |