diff options
Diffstat (limited to 'arch/arm/mach-mx5/clock-mx51-mx53.c')
| -rw-r--r-- | arch/arm/mach-mx5/clock-mx51-mx53.c | 78 |
1 files changed, 71 insertions, 7 deletions
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c index f7bf996f463..4cb27697719 100644 --- a/arch/arm/mach-mx5/clock-mx51-mx53.c +++ b/arch/arm/mach-mx5/clock-mx51-mx53.c @@ -15,6 +15,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/clkdev.h> +#include <linux/of.h> #include <asm/div64.h> @@ -1280,9 +1281,9 @@ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET, NULL, NULL, &ipg_clk, &gpt_ipg_clk); DEFINE_CLOCK(pwm1_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG6_OFFSET, - NULL, NULL, &ipg_clk, NULL); + NULL, NULL, &ipg_perclk, NULL); DEFINE_CLOCK(pwm2_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG8_OFFSET, - NULL, NULL, &ipg_clk, NULL); + NULL, NULL, &ipg_perclk, NULL); /* I2C */ DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG9_OFFSET, @@ -1401,6 +1402,22 @@ static struct clk esdhc4_mx53_clk = { .secondary = &esdhc4_ipg_clk, }; +static struct clk sata_clk = { + .parent = &ipg_clk, + .enable = _clk_max_enable, + .enable_reg = MXC_CCM_CCGR4, + .enable_shift = MXC_CCM_CCGRx_CG1_OFFSET, + .disable = _clk_max_disable, +}; + +static struct clk ahci_phy_clk = { + .parent = &usb_phy1_clk, +}; + +static struct clk ahci_dma_clk = { + .parent = &ahb_clk, +}; + DEFINE_CLOCK(mipi_esc_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG5_OFFSET, NULL, NULL, NULL, &pll2_sw_clk); DEFINE_CLOCK(mipi_hsc2_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG4_OFFSET, NULL, NULL, &mipi_esc_clk, &pll2_sw_clk); DEFINE_CLOCK(mipi_hsc1_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG3_OFFSET, NULL, NULL, &mipi_hsc2_clk, &pll2_sw_clk); @@ -1418,6 +1435,10 @@ DEFINE_CLOCK(ipu_di0_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG5_OFFSET, DEFINE_CLOCK(ipu_di1_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG6_OFFSET, NULL, NULL, &pll3_sw_clk, NULL); +/* PATA */ +DEFINE_CLOCK(pata_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG0_OFFSET, + NULL, NULL, &ipg_clk, &spba_clk); + #define _REGISTER_CLOCK(d, n, c) \ { \ .dev_id = d, \ @@ -1474,6 +1495,7 @@ static struct clk_lookup mx51_lookups[] = { _REGISTER_CLOCK("imx-ipuv3", "di0", ipu_di0_clk) _REGISTER_CLOCK("imx-ipuv3", "di1", ipu_di1_clk) _REGISTER_CLOCK(NULL, "gpc_dvfs", gpc_dvfs_clk) + _REGISTER_CLOCK("pata_imx", NULL, pata_clk) }; static struct clk_lookup mx53_lookups[] = { @@ -1507,6 +1529,10 @@ static struct clk_lookup mx53_lookups[] = { _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) _REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk) _REGISTER_CLOCK("imx-keypad", NULL, dummy_clk) + _REGISTER_CLOCK("pata_imx", NULL, pata_clk) + _REGISTER_CLOCK("imx53-ahci.0", "ahci", sata_clk) + _REGISTER_CLOCK("imx53-ahci.0", "ahci_phy", ahci_phy_clk) + _REGISTER_CLOCK("imx53-ahci.0", "ahci_dma", ahci_dma_clk) }; static void clk_tree_init(void) @@ -1548,9 +1574,8 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc, clk_enable(&main_bus_clk); clk_enable(&iim_clk); - mx51_revision(); + imx_print_silicon_rev("i.MX51", mx51_revision()); clk_disable(&iim_clk); - mx51_display_revision(); /* move usb_phy_clk to 24MHz */ clk_set_parent(&usb_phy1_clk, &osc_clk); @@ -1568,7 +1593,7 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc, /* System timer */ mxc_timer_init(&gpt_clk, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR), - MX51_MXC_INT_GPT); + MX51_INT_GPT); return 0; } @@ -1592,9 +1617,8 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc, clk_enable(&main_bus_clk); clk_enable(&iim_clk); - mx53_revision(); + imx_print_silicon_rev("i.MX53", mx53_revision()); clk_disable(&iim_clk); - mx53_display_revision(); /* Set SDHC parents to be PLL2 */ clk_set_parent(&esdhc1_clk, &pll2_sw_clk); @@ -1609,3 +1633,43 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc, MX53_INT_GPT); return 0; } + +#ifdef CONFIG_OF +static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc, + unsigned long *ckih1, unsigned long *ckih2) +{ + struct device_node *np; + + /* retrieve the freqency of fixed clocks from device tree */ + for_each_compatible_node(np, NULL, "fixed-clock") { + u32 rate; + if (of_property_read_u32(np, "clock-frequency", &rate)) + continue; + + if (of_device_is_compatible(np, "fsl,imx-ckil")) + *ckil = rate; + else if (of_device_is_compatible(np, "fsl,imx-osc")) + *osc = rate; + else if (of_device_is_compatible(np, "fsl,imx-ckih1")) + *ckih1 = rate; + else if (of_device_is_compatible(np, "fsl,imx-ckih2")) + *ckih2 = rate; + } +} + +int __init mx51_clocks_init_dt(void) +{ + unsigned long ckil, osc, ckih1, ckih2; + + clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); + return mx51_clocks_init(ckil, osc, ckih1, ckih2); +} + +int __init mx53_clocks_init_dt(void) +{ + unsigned long ckil, osc, ckih1, ckih2; + + clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); + return mx53_clocks_init(ckil, osc, ckih1, ckih2); +} +#endif |