diff options
Diffstat (limited to 'drivers/clk/mvebu/ap806-system-controller.c')
| -rw-r--r-- | drivers/clk/mvebu/ap806-system-controller.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/clk/mvebu/ap806-system-controller.c b/drivers/clk/mvebu/ap806-system-controller.c index f17702107ac5..8155baccc98e 100644 --- a/drivers/clk/mvebu/ap806-system-controller.c +++ b/drivers/clk/mvebu/ap806-system-controller.c @@ -23,7 +23,7 @@ #define AP806_SAR_REG 0x400 #define AP806_SAR_CLKFREQ_MODE_MASK 0x1f -#define AP806_CLK_NUM 4 +#define AP806_CLK_NUM 5 static struct clk *ap806_clks[AP806_CLK_NUM]; @@ -135,6 +135,23 @@ static int ap806_syscon_clk_probe(struct platform_device *pdev) goto fail3; } + /* eMMC Clock is fixed clock divided by 3 */ + if (of_property_read_string_index(np, "clock-output-names", + 4, &name)) { + ap806_clk_data.clk_num--; + dev_warn(&pdev->dev, + "eMMC clock missing: update the device tree!\n"); + } else { + ap806_clks[4] = clk_register_fixed_factor(NULL, name, + fixedclk_name, + 0, 1, 3); + if (IS_ERR(ap806_clks[4])) { + ret = PTR_ERR(ap806_clks[4]); + goto fail4; + } + } + + of_clk_add_provider(np, of_clk_src_onecell_get, &ap806_clk_data); ret = of_clk_add_provider(np, of_clk_src_onecell_get, &ap806_clk_data); if (ret) goto fail_clk_add; @@ -142,6 +159,8 @@ static int ap806_syscon_clk_probe(struct platform_device *pdev) return 0; fail_clk_add: + clk_unregister_fixed_factor(ap806_clks[4]); +fail4: clk_unregister_fixed_factor(ap806_clks[3]); fail3: clk_unregister_fixed_rate(ap806_clks[2]); |