diff options
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r-- | arch/arm/mach-imx/clk-imx6q.c | 11 | ||||
-rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 69 |
2 files changed, 11 insertions, 69 deletions
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index bbafa3ccacb5..9181a241d3a8 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -288,6 +288,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) struct device_node *np; void __iomem *base; int i, irq; + int ret; clk[dummy] = imx_clk_fixed("dummy", 0); clk[ckil] = imx_obtain_fixed_clock("ckil", 0); @@ -592,6 +593,16 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk_prepare_enable(clk[usbphy2_gate]); } + /* + * Let's initially set up CLKO with OSC24M, since this configuration + * is widely used by imx6q board designs to clock audio codec. + */ + ret = clk_set_parent(clk[cko2_sel], clk[osc]); + if (!ret) + ret = clk_set_parent(clk[cko], clk[cko2]); + if (ret) + pr_warn("failed to set up CLKO: %d\n", ret); + /* Set initial power mode */ imx6q_set_lpm(WAIT_CLOCKED); diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 1e093abe7b95..b60509831d67 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -162,30 +162,6 @@ static int ar8031_phy_fixup(struct phy_device *dev) return 0; } -static void __init imx6q_sabrelite_cko1_setup(void) -{ - struct clk *cko1_sel, *ahb, *cko1; - unsigned long rate; - - cko1_sel = clk_get_sys(NULL, "cko1_sel"); - ahb = clk_get_sys(NULL, "ahb"); - cko1 = clk_get_sys(NULL, "cko1"); - if (IS_ERR(cko1_sel) || IS_ERR(ahb) || IS_ERR(cko1)) { - pr_err("cko1 setup failed!\n"); - goto put_clk; - } - clk_set_parent(cko1_sel, ahb); - rate = clk_round_rate(cko1, 16000000); - clk_set_rate(cko1, rate); -put_clk: - if (!IS_ERR(cko1_sel)) - clk_put(cko1_sel); - if (!IS_ERR(ahb)) - clk_put(ahb); - if (!IS_ERR(cko1)) - clk_put(cko1); -} - #define PHY_ID_AR8031 0x004dd074 static void __init imx6q_enet_phy_init(void) @@ -200,45 +176,6 @@ static void __init imx6q_enet_phy_init(void) } } -static void __init imx6q_sabresd_cko1_setup(void) -{ - struct clk *cko1_sel, *pll4, *pll4_post, *cko1; - unsigned long rate; - - cko1_sel = clk_get_sys(NULL, "cko1_sel"); - pll4 = clk_get_sys(NULL, "pll4_audio"); - pll4_post = clk_get_sys(NULL, "pll4_post_div"); - cko1 = clk_get_sys(NULL, "cko1"); - if (IS_ERR(cko1_sel) || IS_ERR(pll4) - || IS_ERR(pll4_post) || IS_ERR(cko1)) { - pr_err("cko1 setup failed!\n"); - goto put_clk; - } - /* - * Setting pll4 at 768MHz (24MHz * 32) - * So its child clock can get 24MHz easily - */ - clk_set_rate(pll4, 768000000); - - clk_set_parent(cko1_sel, pll4_post); - rate = clk_round_rate(cko1, 24000000); - clk_set_rate(cko1, rate); -put_clk: - if (!IS_ERR(cko1_sel)) - clk_put(cko1_sel); - if (!IS_ERR(pll4_post)) - clk_put(pll4_post); - if (!IS_ERR(pll4)) - clk_put(pll4); - if (!IS_ERR(cko1)) - clk_put(cko1); -} - -static void __init imx6q_sabresd_init(void) -{ - imx6q_sabresd_cko1_setup(); -} - static void __init imx6q_1588_init(void) { struct regmap *gpr; @@ -255,12 +192,6 @@ static void __init imx6q_1588_init(void) static void __init imx6q_init_machine(void) { - if (of_machine_is_compatible("fsl,imx6q-sabrelite")) - imx6q_sabrelite_cko1_setup(); - else if (of_machine_is_compatible("fsl,imx6q-sabresd") || - of_machine_is_compatible("fsl,imx6dl-sabresd")) - imx6q_sabresd_init(); - imx6q_enet_phy_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |