diff options
Diffstat (limited to 'target/linux/realtek')
4 files changed, 581 insertions, 0 deletions
diff --git a/target/linux/realtek/config-5.10 b/target/linux/realtek/config-5.10 index 71028da77f..b62f7eb30e 100644 --- a/target/linux/realtek/config-5.10 +++ b/target/linux/realtek/config-5.10 @@ -82,7 +82,9 @@ CONFIG_HZ_PERIODIC=y CONFIG_I2C=y CONFIG_I2C_ALGOBIT=y CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y CONFIG_I2C_GPIO=y +CONFIG_I2C_RTL9300=y CONFIG_INITRAMFS_SOURCE="" CONFIG_IRQCHIP=y CONFIG_IRQ_DOMAIN=y diff --git a/target/linux/realtek/files-5.10/drivers/i2c/busses/i2c-rtl9300.c b/target/linux/realtek/files-5.10/drivers/i2c/busses/i2c-rtl9300.c new file mode 100644 index 0000000000..b3392ba5d5 --- /dev/null +++ b/target/linux/realtek/files-5.10/drivers/i2c/busses/i2c-rtl9300.c @@ -0,0 +1,488 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/module.h> +#include <linux/of_platform.h> +#include "i2c-rtl9300.h" + +#define REG(x) (i2c->base + x + (i2c->scl_num ? i2c->mst2_offset : 0)) +#define REG_MASK(clear, set, reg) \ + writel((readl(REG(reg)) & ~(clear)) | (set), REG(reg)) + +struct i2c_drv_data { + int scl0_pin; + int scl1_pin; + int sda0_pin; + struct i2c_algorithm *algo; + int (*read)(struct rtl9300_i2c *i2c, u8 *buf, int len); + int (*write)(struct rtl9300_i2c *i2c, u8 *buf, int len); + void (*reg_addr_set)(struct rtl9300_i2c *i2c, u32 reg, u16 len); + int (*config_xfer)(struct rtl9300_i2c *i2c, u16 addr, u16 len); + int (*execute_xfer)(struct rtl9300_i2c *i2c, char read_write, int size, + union i2c_smbus_data * data, int len); + void (*writel)(struct rtl9300_i2c *i2c, u32 data); + void (*config_io)(struct rtl9300_i2c *i2c, int scl_num, int sda_num); + u32 mst2_offset; +}; + +DEFINE_MUTEX(i2c_lock); + +static void rtl9300_i2c_reg_addr_set(struct rtl9300_i2c *i2c, u32 reg, u16 len) +{ + // Set register address width + REG_MASK(0x3 << RTL9300_I2C_CTRL2_MADDR_WIDTH, len << RTL9300_I2C_CTRL2_MADDR_WIDTH, + RTL9300_I2C_CTRL2); + + // Set register address + REG_MASK(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 + REG_MASK(0x3 << RTL9310_I2C_CTRL_MADDR_WIDTH, len << RTL9310_I2C_CTRL_MADDR_WIDTH, + RTL9310_I2C_CTRL); + + // Set register address + writel(reg, REG(RTL9310_I2C_MEMADDR)); +} + +static void rtl9300_i2c_config_io(struct rtl9300_i2c *i2c, int scl_num, int sda_num) +{ + u32 v; + + // Set SCL pin + REG_MASK(0, BIT(RTL9300_I2C_CTRL1_GPIO8_SCL_SEL), RTL9300_I2C_CTRL1); + + // Set SDA pin + REG_MASK(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 + v = readl(i2c->base + RTL9300_I2C_MST_GLB_CTRL); + v |= BIT(i2c->sda_num); + writel(v, i2c->base + RTL9300_I2C_MST_GLB_CTRL); +} + +static void rtl9310_i2c_config_io(struct rtl9300_i2c *i2c, int scl_num, int sda_num) +{ + u32 v; + + // Set SCL pin + REG_MASK(0, BIT(RTL9310_I2C_MST_IF_SEL_GPIO_SCL_SEL + scl_num), RTL9310_I2C_MST_IF_SEL); + + // Set SDA pin + REG_MASK(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 + v = readl(i2c->base + RTL9310_I2C_MST_IF_SEL); + v |= BIT(i2c->sda_num); + writel(v, i2c->base + RTL9310_I2C_MST_IF_SEL); +} + +static int rtl9300_i2c_config_xfer(struct rtl9300_i2c *i2c, u16 addr, u16 len) +{ + // Set bus frequency + REG_MASK(0x3 << RTL9300_I2C_CTRL2_SCL_FREQ, + i2c->bus_freq << RTL9300_I2C_CTRL2_SCL_FREQ, RTL9300_I2C_CTRL2); + + // Set slave device address + REG_MASK(0x7f << RTL9300_I2C_CTRL2_DEV_ADDR, + addr << RTL9300_I2C_CTRL2_DEV_ADDR, RTL9300_I2C_CTRL2); + + // Set data length + REG_MASK(0xf << RTL9300_I2C_CTRL2_DATA_WIDTH, + ((len - 1) & 0xf) << RTL9300_I2C_CTRL2_DATA_WIDTH, RTL9300_I2C_CTRL2); + + // Set read mode to random + REG_MASK(0x1 << RTL9300_I2C_CTRL2_READ_MODE, 0, RTL9300_I2C_CTRL2); + + return 0; +} + +static int rtl9310_i2c_config_xfer(struct rtl9300_i2c *i2c, u16 addr, u16 len) +{ + // Set bus frequency + REG_MASK(0x3 << RTL9310_I2C_CTRL_SCL_FREQ, + i2c->bus_freq << RTL9310_I2C_CTRL_SCL_FREQ, RTL9310_I2C_CTRL); + + // Set slave device address + REG_MASK(0x7f << RTL9310_I2C_CTRL_DEV_ADDR, + addr << RTL9310_I2C_CTRL_DEV_ADDR, RTL9310_I2C_CTRL); + + // Set data length + REG_MASK(0xf << RTL9310_I2C_CTRL_DATA_WIDTH, + ((len - 1) & 0xf) << RTL9310_I2C_CTRL_DATA_WIDTH, RTL9310_I2C_CTRL); + + // Set read mode to random + REG_MASK(0x1 << RTL9310_I2C_CTRL_READ_MODE, 0, RTL9310_I2C_CTRL); + + return 0; +} + +static int i2c_read(void __iomem *r0, u8 *buf, int len) +{ + int i; + u32 v; + + if (len > 16) + return -EIO; + + for (i = 0; i < len; i++) { + if (i % 4 == 0) + v = readl(r0 + i); + buf[i] = v; + v >>= 8; + } + + return len; +} + +static int i2c_write(void __iomem *r0, u8 *buf, int len) +{ + u32 v; + int i; + + if (len > 16) + return -EIO; + + for (i = 0; i < len; i++) { + if (! (i % 4)) + v = 0; + v <<= 8; + v |= buf[i]; + if (i % 4 == 3 || i == len - 1) + writel(v, r0 + (i / 4) * 4); + } + + return len; +} + +static int rtl9300_i2c_read(struct rtl9300_i2c *i2c, u8 *buf, int len) +{ + return i2c_read(REG(RTL9300_I2C_DATA_WORD0), buf, len); +} + +static int rtl9300_i2c_write(struct rtl9300_i2c *i2c, u8 *buf, int len) +{ + return i2c_write(REG(RTL9300_I2C_DATA_WORD0), buf, len); +} + +static int rtl9310_i2c_read(struct rtl9300_i2c *i2c, u8 *buf, int len) +{ + return i2c_read(REG(RTL9310_I2C_DATA), buf, len); +} + +static int rtl9310_i2c_write(struct rtl9300_i2c *i2c, u8 *buf, int len) +{ + return i2c_write(REG(RTL9310_I2C_DATA), buf, len); +} + +static void rtl9300_writel(struct rtl9300_i2c *i2c, u32 data) +{ + writel(data, REG(RTL9300_I2C_DATA_WORD0)); +} + +static void rtl9310_writel(struct rtl9300_i2c *i2c, u32 data) +{ + writel(data, REG(RTL9310_I2C_DATA)); +} + + +static int rtl9300_execute_xfer(struct rtl9300_i2c *i2c, char read_write, + int size, union i2c_smbus_data * data, int len) +{ + u32 v; + + if (read_write == I2C_SMBUS_READ) + REG_MASK(BIT(RTL9300_I2C_CTRL1_RWOP), 0, RTL9300_I2C_CTRL1); + else + REG_MASK(0, BIT(RTL9300_I2C_CTRL1_RWOP), RTL9300_I2C_CTRL1); + + REG_MASK(0, BIT(RTL9300_I2C_CTRL1_I2C_TRIG), RTL9300_I2C_CTRL1); + do { + v = readl(REG(RTL9300_I2C_CTRL1)); + } while (v & BIT(RTL9300_I2C_CTRL1_I2C_TRIG)); + + if (v & BIT(RTL9300_I2C_CTRL1_I2C_FAIL)) + return -EIO; + + if (read_write == I2C_SMBUS_READ) { + if (size == I2C_SMBUS_BYTE || size == I2C_SMBUS_BYTE_DATA){ + data->byte = readl(REG(RTL9300_I2C_DATA_WORD0)); + } else if (size == I2C_SMBUS_WORD_DATA) { + data->word = readl(REG(RTL9300_I2C_DATA_WORD0)); + } else if (len > 0) { + rtl9300_i2c_read(i2c, &data->block[0], len); + } + } + + return 0; +} + +static int rtl9310_execute_xfer(struct rtl9300_i2c *i2c, char read_write, + int size, union i2c_smbus_data * data, int len) +{ + u32 v; + + if (read_write == I2C_SMBUS_READ) + REG_MASK(BIT(RTL9310_I2C_CTRL_RWOP), 0, RTL9310_I2C_CTRL); + else + REG_MASK(0, BIT(RTL9310_I2C_CTRL_RWOP), RTL9310_I2C_CTRL); + + REG_MASK(0, BIT(RTL9310_I2C_CTRL_I2C_TRIG), RTL9310_I2C_CTRL); + do { + v = readl(REG(RTL9310_I2C_CTRL)); + } while (v & BIT(RTL9310_I2C_CTRL_I2C_TRIG)); + + if (v & BIT(RTL9310_I2C_CTRL_I2C_FAIL)) + return -EIO; + + if (read_write == I2C_SMBUS_READ) { + if (size == I2C_SMBUS_BYTE || size == I2C_SMBUS_BYTE_DATA){ + data->byte = readl(REG(RTL9310_I2C_DATA)); + } else if (size == I2C_SMBUS_WORD_DATA) { + data->word = readl(REG(RTL9310_I2C_DATA)); + } else if (len > 0) { + rtl9310_i2c_read(i2c, &data->block[0], len); + } + } + + return 0; +} + +static int rtl9300_i2c_smbus_xfer(struct i2c_adapter * adap, u16 addr, + unsigned short flags, char read_write, + u8 command, int size, union i2c_smbus_data * data) +{ + struct rtl9300_i2c *i2c = i2c_get_adapdata(adap); + struct i2c_drv_data *drv_data = (struct i2c_drv_data *)device_get_match_data(i2c->dev); + int len = 0, ret; + + mutex_lock(&i2c_lock); + switch (size) { + case I2C_SMBUS_QUICK: + drv_data->config_xfer(i2c, addr, 0); + drv_data->reg_addr_set(i2c, 0, 0); + break; + + case I2C_SMBUS_BYTE: + if (read_write == I2C_SMBUS_WRITE) { + drv_data->config_xfer(i2c, addr, 0); + drv_data->reg_addr_set(i2c, command, 1); + } else { + drv_data->config_xfer(i2c, addr, 1); + drv_data->reg_addr_set(i2c, 0, 0); + } + break; + + case I2C_SMBUS_BYTE_DATA: + pr_debug("I2C_SMBUS_BYTE_DATA %02x, read %d cmd %02x\n", addr, read_write, command); + drv_data->reg_addr_set(i2c, command, 1); + drv_data->config_xfer(i2c, addr, 1); + + if (read_write == I2C_SMBUS_WRITE) { + pr_debug("--> data %02x\n", data->byte); + drv_data->writel(i2c, data->byte); + } + break; + + case I2C_SMBUS_WORD_DATA: + pr_debug("I2C_SMBUS_WORD %02x, read %d\n", addr, read_write); + drv_data->reg_addr_set(i2c, command, 1); + drv_data->config_xfer(i2c, addr, 2); + if (read_write == I2C_SMBUS_WRITE) + drv_data->writel(i2c, data->word); + break; + + case I2C_SMBUS_BLOCK_DATA: + pr_debug("I2C_SMBUS_BLOCK_DATA %02x, read %d, len %d\n", + addr, read_write, data->block[0]); + drv_data->reg_addr_set(i2c, command, 1); + drv_data->config_xfer(i2c, addr, data->block[0]); + if (read_write == I2C_SMBUS_WRITE) + drv_data->write(i2c, &data->block[1], data->block[0]); + len = data->block[0]; + break; + + default: + dev_warn(&adap->dev, "Unsupported transaction %d\n", size); + return -EOPNOTSUPP; + } + + ret = drv_data->execute_xfer(i2c, read_write, size, data, len); + + mutex_unlock(&i2c_lock); + + return ret; +} + +static u32 rtl9300_i2c_func(struct i2c_adapter *a) +{ + return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | + I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_BLOCK_DATA; +} + +static const struct i2c_algorithm rtl9300_i2c_algo = { + .smbus_xfer = rtl9300_i2c_smbus_xfer, + .functionality = rtl9300_i2c_func, +}; + +struct i2c_adapter_quirks rtl9300_i2c_quirks = { + .flags = I2C_AQ_NO_CLK_STRETCH, + .max_read_len = 16, + .max_write_len = 16, +}; + +static int rtl9300_i2c_probe(struct platform_device *pdev) +{ + struct resource *res; + struct rtl9300_i2c *i2c; + struct i2c_adapter *adap; + struct i2c_drv_data *drv_data; + struct device_node *node = pdev->dev.of_node; + u32 clock_freq, pin; + int ret = 0; + + pr_info("%s probing I2C adapter\n", __func__); + + if (!node) { + dev_err(i2c->dev, "No DT found\n"); + return -EINVAL; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + drv_data = (struct i2c_drv_data *) device_get_match_data(&pdev->dev); + + i2c = devm_kzalloc(&pdev->dev, sizeof(struct rtl9300_i2c), GFP_KERNEL); + if (!i2c) + return -ENOMEM; + + i2c->base = devm_ioremap_resource(&pdev->dev, res); + i2c->mst2_offset = drv_data->mst2_offset; + if (IS_ERR(i2c->base)) + return PTR_ERR(i2c->base); + + pr_debug("%s base memory %08x\n", __func__, (u32)i2c->base); + i2c->dev = &pdev->dev; + + if (of_property_read_u32(node, "clock-frequency", &clock_freq)) { + clock_freq = I2C_MAX_STANDARD_MODE_FREQ; + } + switch(clock_freq) { + case I2C_MAX_STANDARD_MODE_FREQ: + i2c->bus_freq = RTL9300_I2C_STD_FREQ; + break; + + case I2C_MAX_FAST_MODE_FREQ: + i2c->bus_freq = RTL9300_I2C_FAST_FREQ; + break; + default: + dev_warn(i2c->dev, "clock-frequency %d not supported\n", clock_freq); + return -EINVAL; + } + + dev_info(&pdev->dev, "SCL speed %d, mode is %d\n", clock_freq, i2c->bus_freq); + + if (of_property_read_u32(node, "scl-pin", &pin)) { + dev_warn(i2c->dev, "SCL pin not found in DT, using default\n"); + pin = drv_data->scl0_pin; + } + if (!(pin == drv_data->scl0_pin || pin == drv_data->scl1_pin)) { + dev_warn(i2c->dev, "SCL pin %d not supported\n", pin); + return -EINVAL; + } + i2c->scl_num = pin == drv_data->scl0_pin ? 0 : 1; + pr_info("%s scl_num %d\n", __func__, i2c->scl_num); + + if (of_property_read_u32(node, "sda-pin", &pin)) { + dev_warn(i2c->dev, "SDA pin not found in DT, using default \n"); + pin = drv_data->sda0_pin; + } + i2c->sda_num = pin - drv_data->sda0_pin; + if (i2c->sda_num < 0 || i2c->sda_num > 7) { + dev_warn(i2c->dev, "SDA pin %d not supported\n", pin); + return -EINVAL; + } + pr_info("%s sda_num %d\n", __func__, i2c->sda_num); + + adap = &i2c->adap; + adap->owner = THIS_MODULE; + adap->algo = &rtl9300_i2c_algo; + adap->retries = 3; + adap->dev.parent = &pdev->dev; + i2c_set_adapdata(adap, i2c); + adap->dev.of_node = node; + strlcpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name)); + + platform_set_drvdata(pdev, i2c); + + drv_data->config_io(i2c, i2c->scl_num, i2c->sda_num); + + ret = i2c_add_adapter(adap); + + return ret; +} + +static int rtl9300_i2c_remove(struct platform_device *pdev) +{ + struct rtl9300_i2c *i2c = platform_get_drvdata(pdev); + + i2c_del_adapter(&i2c->adap); + + return 0; +} + +struct i2c_drv_data rtl9300_i2c_drv_data = { + .scl0_pin = 8, + .scl1_pin = 17, + .sda0_pin = 9, + .read = rtl9300_i2c_read, + .read = rtl9300_i2c_write, + .reg_addr_set = rtl9300_i2c_reg_addr_set, + .config_xfer = rtl9300_i2c_config_xfer, + .execute_xfer = rtl9300_execute_xfer, + .writel = rtl9300_writel, + .config_io = rtl9300_i2c_config_io, + .mst2_offset = 0x1c, +}; + +struct i2c_drv_data rtl9310_i2c_drv_data = { + .scl0_pin = 13, + .scl1_pin = 14, + .sda0_pin = 0, + .read = rtl9310_i2c_read, + .read = rtl9310_i2c_write, + .reg_addr_set = rtl9310_i2c_reg_addr_set, + .config_xfer = rtl9310_i2c_config_xfer, + .execute_xfer = rtl9310_execute_xfer, + .writel = rtl9310_writel, + .config_io = rtl9310_i2c_config_io, + .mst2_offset = 0x18, +}; + +static const struct of_device_id i2c_rtl9300_dt_ids[] = { + { .compatible = "realtek,rtl9300-i2c", .data = (void *) &rtl9300_i2c_drv_data }, + { .compatible = "realtek,rtl9310-i2c", .data = (void *) &rtl9310_i2c_drv_data }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, rtl838x_eth_of_ids); + +static struct platform_driver rtl9300_i2c_driver = { + .probe = rtl9300_i2c_probe, + .remove = rtl9300_i2c_remove, + .driver = { + .name = "i2c-rtl9300", + .pm = NULL, + .of_match_table = i2c_rtl9300_dt_ids, + }, +}; + +module_platform_driver(rtl9300_i2c_driver); + +MODULE_AUTHOR("Birger Koblitz"); +MODULE_DESCRIPTION("RTL9300 I2C host driver"); +MODULE_LICENSE("GPL v2"); diff --git a/target/linux/realtek/files-5.10/drivers/i2c/busses/i2c-rtl9300.h b/target/linux/realtek/files-5.10/drivers/i2c/busses/i2c-rtl9300.h new file mode 100644 index 0000000000..b10c38c91c --- /dev/null +++ b/target/linux/realtek/files-5.10/drivers/i2c/busses/i2c-rtl9300.h @@ -0,0 +1,62 @@ +#ifndef I2C_RTL9300_H +#define I2C_RTL9300_H + +#include <linux/i2c.h> + +#define RTL9300_I2C_CTRL1 0x00 +#define RTL9300_I2C_CTRL1_MEM_ADDR 8 +#define RTL9300_I2C_CTRL1_SDA_OUT_SEL 4 +#define RTL9300_I2C_CTRL1_GPIO8_SCL_SEL 3 +#define RTL9300_I2C_CTRL1_RWOP 2 +#define RTL9300_I2C_CTRL1_I2C_FAIL 1 +#define RTL9300_I2C_CTRL1_I2C_TRIG 0 + +#define RTL9300_I2C_CTRL2 0x04 +#define RTL9300_I2C_CTRL2_DRIVE_ACK_DELAY 20 +#define RTL9300_I2C_CTRL2_CHECK_ACK_DELAY 16 +#define RTL9300_I2C_CTRL2_READ_MODE 15 +#define RTL9300_I2C_CTRL2_DEV_ADDR 8 +#define RTL9300_I2C_CTRL2_DATA_WIDTH 4 +#define RTL9300_I2C_CTRL2_MADDR_WIDTH 2 +#define RTL9300_I2C_CTRL2_SCL_FREQ 0 + +#define RTL9300_I2C_DATA_WORD0 0x08 + +#define RTL9300_I2C_MST_GLB_CTRL 0x18 + +#define RTL9310_I2C_MST_IF_CTRL 0x00 + +#define RTL9310_I2C_MST_IF_SEL 0x04 +#define RTL9310_I2C_MST_IF_SEL_GPIO_SCL_SEL 12 + +#define RTL9310_I2C_CTRL 0x08 +#define RTL9310_I2C_CTRL_SCL_FREQ 30 +#define RTL9310_I2C_CTRL_CHECK_ACK_DELAY 26 +#define RTL9310_I2C_CTRL_DRIVE_ACK_DELAY 22 +#define RTL9310_I2C_CTRL_SDA_OUT_SEL 18 +#define RTL9310_I2C_CTRL_DEV_ADDR 11 +#define RTL9310_I2C_CTRL_MADDR_WIDTH 9 +#define RTL9310_I2C_CTRL_DATA_WIDTH 5 +#define RTL9310_I2C_CTRL_READ_MODE 4 +#define RTL9310_I2C_CTRL_RWOP 2 +#define RTL9310_I2C_CTRL_I2C_FAIL 1 +#define RTL9310_I2C_CTRL_I2C_TRIG 0 + +#define RTL9310_I2C_MEMADDR 0x0c + +#define RTL9310_I2C_DATA 0x10 + +#define RTL9300_I2C_STD_FREQ 0 +#define RTL9300_I2C_FAST_FREQ 1 + +struct rtl9300_i2c { + void __iomem *base; + u32 mst2_offset; + struct device *dev; + struct i2c_adapter adap; + u8 bus_freq; + u8 sda_num; // SDA channel number + u8 scl_num; // SCL channel, mapping to master 1 or 2 +}; + +#endif diff --git a/target/linux/realtek/patches-5.10/310-add-i2c-rtl9300-support.patch b/target/linux/realtek/patches-5.10/310-add-i2c-rtl9300-support.patch new file mode 100644 index 0000000000..c4d23d90e1 --- /dev/null +++ b/target/linux/realtek/patches-5.10/310-add-i2c-rtl9300-support.patch @@ -0,0 +1,29 @@ +--- a/drivers/i2c/busses/Kconfig ++++ b/drivers/i2c/busses/Kconfig +@@ -954,6 +954,16 @@ config I2C_RK3X + This driver can also be built as a module. If so, the module will + be called i2c-rk3x. + ++config I2C_RTL9300 ++ tristate "Realtek RTL9300 I2C adapter" ++ depends on OF ++ help ++ Say Y here to include support for the I2C adapter in Realtek RTL9300 ++ and RTL9310 SoCs. ++ ++ This driver can also be built as a module. If so, the module will ++ be called i2c-rtl9300. ++ + config HAVE_S3C2410_I2C + bool + help +--- a/drivers/i2c/busses/Makefile ++++ b/drivers/i2c/busses/Makefile +@@ -95,6 +95,7 @@ obj-$(CONFIG_I2C_QCOM_GENI) += i2c-qcom- + obj-$(CONFIG_I2C_QUP) += i2c-qup.o + obj-$(CONFIG_I2C_RIIC) += i2c-riic.o + obj-$(CONFIG_I2C_RK3X) += i2c-rk3x.o ++obj-$(CONFIG_I2C_RTL9300) += i2c-rtl9300.o + obj-$(CONFIG_I2C_S3C2410) += i2c-s3c2410.o + obj-$(CONFIG_I2C_SH7760) += i2c-sh7760.o + obj-$(CONFIG_I2C_SH_MOBILE) += i2c-sh_mobile.o |