diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-npcm7xx.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c index 71aad029425d..de4e5f2f3e5a 100644 --- a/drivers/i2c/busses/i2c-npcm7xx.c +++ b/drivers/i2c/busses/i2c-npcm7xx.c @@ -2229,11 +2229,12 @@ static void npcm_i2c_init_debugfs(struct platform_device *pdev, static int npcm_i2c_probe_bus(struct platform_device *pdev) { - struct npcm_i2c *bus; - struct i2c_adapter *adap; - struct clk *i2c_clk; + struct device_node *np = pdev->dev.of_node; static struct regmap *gcr_regmap; static struct regmap *clk_regmap; + struct i2c_adapter *adap; + struct npcm_i2c *bus; + struct clk *i2c_clk; int irq; int ret; @@ -2250,7 +2251,10 @@ static int npcm_i2c_probe_bus(struct platform_device *pdev) return PTR_ERR(i2c_clk); bus->apb_clk = clk_get_rate(i2c_clk); - gcr_regmap = syscon_regmap_lookup_by_compatible("nuvoton,npcm750-gcr"); + gcr_regmap = syscon_regmap_lookup_by_phandle(np, "nuvoton,sys-mgr"); + if (IS_ERR(gcr_regmap)) + gcr_regmap = syscon_regmap_lookup_by_compatible("nuvoton,npcm750-gcr"); + if (IS_ERR(gcr_regmap)) return PTR_ERR(gcr_regmap); regmap_write(gcr_regmap, NPCM_I2CSEGCTL, NPCM_I2CSEGCTL_INIT_VAL); |