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-rw-r--r--arch/arm/mach-imx/clk-imx27.c115
1 files changed, 62 insertions, 53 deletions
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c
index 366e5d59d88..317a662626d 100644
--- a/arch/arm/mach-imx/clk-imx27.c
+++ b/arch/arm/mach-imx/clk-imx27.c
@@ -6,9 +6,9 @@
#include <linux/clk-provider.h>
#include <linux/of.h>
-#include <mach/common.h>
-#include <mach/hardware.h>
#include "clk.h"
+#include "common.h"
+#include "hardware.h"
#define IO_ADDR_CCM(off) (MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR + (off)))
@@ -51,8 +51,10 @@
static const char *vpu_sel_clks[] = { "spll", "mpll_main2", };
static const char *cpu_sel_clks[] = { "mpll_main2", "mpll", };
+static const char *mpll_sel_clks[] = { "fpm", "mpll_osc_sel", };
+static const char *mpll_osc_sel_clks[] = { "ckih", "ckih_div1p5", };
static const char *clko_sel_clks[] = {
- "ckil", "prem", "ckih", "ckih",
+ "ckil", "fpm", "ckih", "ckih",
"ckih", "mpll", "spll", "cpu_div",
"ahb", "ipg", "per1_div", "per2_div",
"per3_div", "per4_div", "ssi1_div", "ssi2_div",
@@ -60,7 +62,7 @@ static const char *clko_sel_clks[] = {
"32k", "usb_div", "dptc",
};
-static const char *ssi_sel_clks[] = { "spll", "mpll", };
+static const char *ssi_sel_clks[] = { "spll_gate", "mpll", };
enum mx27_clks {
dummy, ckih, ckil, mpll, spll, mpll_main2, ahb, ipg, nfc_div, per1_div,
@@ -79,20 +81,33 @@ enum mx27_clks {
vpu_ahb_gate, fec_ahb_gate, emma_ahb_gate, emi_ahb_gate, dma_ahb_gate,
csi_ahb_gate, brom_ahb_gate, ata_ahb_gate, wdog_ipg_gate, usb_ipg_gate,
uart6_ipg_gate, uart5_ipg_gate, uart4_ipg_gate, uart3_ipg_gate,
- uart2_ipg_gate, uart1_ipg_gate, clk_max
+ uart2_ipg_gate, uart1_ipg_gate, ckih_div1p5, fpm, mpll_osc_sel,
+ mpll_sel, spll_gate, mshc_div, rtic_ipg_gate, mshc_ipg_gate,
+ rtic_ahb_gate, mshc_baud_gate, clk_max
};
static struct clk *clk[clk_max];
+static struct clk_onecell_data clk_data;
int __init mx27_clocks_init(unsigned long fref)
{
int i;
+ struct device_node *np;
clk[dummy] = imx_clk_fixed("dummy", 0);
clk[ckih] = imx_clk_fixed("ckih", fref);
clk[ckil] = imx_clk_fixed("ckil", 32768);
- clk[mpll] = imx_clk_pllv1("mpll", "ckih", CCM_MPCTL0);
+ clk[fpm] = imx_clk_fixed_factor("fpm", "ckil", 1024, 1);
+ clk[ckih_div1p5] = imx_clk_fixed_factor("ckih_div1p5", "ckih", 2, 3);
+
+ clk[mpll_osc_sel] = imx_clk_mux("mpll_osc_sel", CCM_CSCR, 4, 1,
+ mpll_osc_sel_clks,
+ ARRAY_SIZE(mpll_osc_sel_clks));
+ clk[mpll_sel] = imx_clk_mux("mpll_sel", CCM_CSCR, 16, 1, mpll_sel_clks,
+ ARRAY_SIZE(mpll_sel_clks));
+ clk[mpll] = imx_clk_pllv1("mpll", "mpll_sel", CCM_MPCTL0);
clk[spll] = imx_clk_pllv1("spll", "ckih", CCM_SPCTL0);
+ clk[spll_gate] = imx_clk_gate("spll_gate", "spll", CCM_CSCR, 1);
clk[mpll_main2] = imx_clk_fixed_factor("mpll_main2", "mpll", 2, 3);
if (mx27_revision() >= IMX_CHIP_REVISION_2_0) {
@@ -103,6 +118,7 @@ int __init mx27_clocks_init(unsigned long fref)
clk[ipg] = imx_clk_divider("ipg", "ahb", CCM_CSCR, 8, 1);
}
+ clk[mshc_div] = imx_clk_divider("mshc_div", "ahb", CCM_PCDR0, 0, 6);
clk[nfc_div] = imx_clk_divider("nfc_div", "ahb", CCM_PCDR0, 6, 4);
clk[per1_div] = imx_clk_divider("per1_div", "mpll_main2", CCM_PCDR1, 0, 6);
clk[per2_div] = imx_clk_divider("per2_div", "mpll_main2", CCM_PCDR1, 8, 6);
@@ -110,7 +126,7 @@ int __init mx27_clocks_init(unsigned long fref)
clk[per4_div] = imx_clk_divider("per4_div", "mpll_main2", CCM_PCDR1, 24, 6);
clk[vpu_sel] = imx_clk_mux("vpu_sel", CCM_CSCR, 21, 1, vpu_sel_clks, ARRAY_SIZE(vpu_sel_clks));
clk[vpu_div] = imx_clk_divider("vpu_div", "vpu_sel", CCM_PCDR0, 10, 6);
- clk[usb_div] = imx_clk_divider("usb_div", "spll", CCM_CSCR, 28, 3);
+ clk[usb_div] = imx_clk_divider("usb_div", "spll_gate", CCM_CSCR, 28, 3);
clk[cpu_sel] = imx_clk_mux("cpu_sel", CCM_CSCR, 15, 1, cpu_sel_clks, ARRAY_SIZE(cpu_sel_clks));
clk[clko_sel] = imx_clk_mux("clko_sel", CCM_CCSR, 0, 5, clko_sel_clks, ARRAY_SIZE(clko_sel_clks));
if (mx27_revision() >= IMX_CHIP_REVISION_2_0)
@@ -131,9 +147,11 @@ int __init mx27_clocks_init(unsigned long fref)
clk[sdhc1_ipg_gate] = imx_clk_gate("sdhc1_ipg_gate", "ipg", CCM_PCCR0, 5);
clk[scc_ipg_gate] = imx_clk_gate("scc_ipg_gate", "ipg", CCM_PCCR0, 6);
clk[sahara_ipg_gate] = imx_clk_gate("sahara_ipg_gate", "ipg", CCM_PCCR0, 7);
+ clk[rtic_ipg_gate] = imx_clk_gate("rtic_ipg_gate", "ipg", CCM_PCCR0, 8);
clk[rtc_ipg_gate] = imx_clk_gate("rtc_ipg_gate", "ipg", CCM_PCCR0, 9);
clk[pwm_ipg_gate] = imx_clk_gate("pwm_ipg_gate", "ipg", CCM_PCCR0, 11);
clk[owire_ipg_gate] = imx_clk_gate("owire_ipg_gate", "ipg", CCM_PCCR0, 12);
+ clk[mshc_ipg_gate] = imx_clk_gate("mshc_ipg_gate", "ipg", CCM_PCCR0, 13);
clk[lcdc_ipg_gate] = imx_clk_gate("lcdc_ipg_gate", "ipg", CCM_PCCR0, 14);
clk[kpp_ipg_gate] = imx_clk_gate("kpp_ipg_gate", "ipg", CCM_PCCR0, 15);
clk[iim_ipg_gate] = imx_clk_gate("iim_ipg_gate", "ipg", CCM_PCCR0, 16);
@@ -152,6 +170,7 @@ int __init mx27_clocks_init(unsigned long fref)
clk[cspi3_ipg_gate] = imx_clk_gate("cspi3_ipg_gate", "ipg", CCM_PCCR0, 29);
clk[cspi2_ipg_gate] = imx_clk_gate("cspi2_ipg_gate", "ipg", CCM_PCCR0, 30);
clk[cspi1_ipg_gate] = imx_clk_gate("cspi1_ipg_gate", "ipg", CCM_PCCR0, 31);
+ clk[mshc_baud_gate] = imx_clk_gate("mshc_baud_gate", "mshc_div", CCM_PCCR1, 2);
clk[nfc_baud_gate] = imx_clk_gate("nfc_baud_gate", "nfc_div", CCM_PCCR1, 3);
clk[ssi2_baud_gate] = imx_clk_gate("ssi2_baud_gate", "ssi2_div", CCM_PCCR1, 4);
clk[ssi1_baud_gate] = imx_clk_gate("ssi1_baud_gate", "ssi1_div", CCM_PCCR1, 5);
@@ -163,6 +182,7 @@ int __init mx27_clocks_init(unsigned long fref)
clk[usb_ahb_gate] = imx_clk_gate("usb_ahb_gate", "ahb", CCM_PCCR1, 11);
clk[slcdc_ahb_gate] = imx_clk_gate("slcdc_ahb_gate", "ahb", CCM_PCCR1, 12);
clk[sahara_ahb_gate] = imx_clk_gate("sahara_ahb_gate", "ahb", CCM_PCCR1, 13);
+ clk[rtic_ahb_gate] = imx_clk_gate("rtic_ahb_gate", "ahb", CCM_PCCR1, 14);
clk[lcdc_ahb_gate] = imx_clk_gate("lcdc_ahb_gate", "ahb", CCM_PCCR1, 15);
clk[vpu_ahb_gate] = imx_clk_gate("vpu_ahb_gate", "ahb", CCM_PCCR1, 16);
clk[fec_ahb_gate] = imx_clk_gate("fec_ahb_gate", "ahb", CCM_PCCR1, 17);
@@ -186,6 +206,13 @@ int __init mx27_clocks_init(unsigned long fref)
pr_err("i.MX27 clk %d: register failed with %ld\n",
i, PTR_ERR(clk[i]));
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx27-ccm");
+ if (np) {
+ clk_data.clks = clk;
+ clk_data.clk_num = ARRAY_SIZE(clk);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+ }
+
clk_register_clkdev(clk[uart1_ipg_gate], "ipg", "imx21-uart.0");
clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.0");
clk_register_clkdev(clk[uart2_ipg_gate], "ipg", "imx21-uart.1");
@@ -200,33 +227,26 @@ int __init mx27_clocks_init(unsigned long fref)
clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.5");
clk_register_clkdev(clk[gpt1_ipg_gate], "ipg", "imx-gpt.0");
clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.0");
- clk_register_clkdev(clk[gpt2_ipg_gate], "ipg", "imx-gpt.1");
- clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.1");
- clk_register_clkdev(clk[gpt3_ipg_gate], "ipg", "imx-gpt.2");
- clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.2");
- clk_register_clkdev(clk[gpt4_ipg_gate], "ipg", "imx-gpt.3");
- clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.3");
- clk_register_clkdev(clk[gpt5_ipg_gate], "ipg", "imx-gpt.4");
- clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.4");
- clk_register_clkdev(clk[gpt6_ipg_gate], "ipg", "imx-gpt.5");
- clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.5");
- clk_register_clkdev(clk[pwm_ipg_gate], NULL, "mxc_pwm.0");
- clk_register_clkdev(clk[per2_gate], "per", "mxc-mmc.0");
- clk_register_clkdev(clk[sdhc1_ipg_gate], "ipg", "mxc-mmc.0");
- clk_register_clkdev(clk[per2_gate], "per", "mxc-mmc.1");
- clk_register_clkdev(clk[sdhc2_ipg_gate], "ipg", "mxc-mmc.1");
- clk_register_clkdev(clk[per2_gate], "per", "mxc-mmc.2");
- clk_register_clkdev(clk[sdhc2_ipg_gate], "ipg", "mxc-mmc.2");
- clk_register_clkdev(clk[cspi1_ipg_gate], NULL, "imx27-cspi.0");
- clk_register_clkdev(clk[cspi2_ipg_gate], NULL, "imx27-cspi.1");
- clk_register_clkdev(clk[cspi3_ipg_gate], NULL, "imx27-cspi.2");
- clk_register_clkdev(clk[per3_gate], "per", "imx-fb.0");
- clk_register_clkdev(clk[lcdc_ipg_gate], "ipg", "imx-fb.0");
- clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx-fb.0");
- clk_register_clkdev(clk[csi_ahb_gate], "ahb", "mx2-camera.0");
- clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
- clk_register_clkdev(clk[usb_ipg_gate], "ipg", "fsl-usb2-udc");
- clk_register_clkdev(clk[usb_ahb_gate], "ahb", "fsl-usb2-udc");
+ clk_register_clkdev(clk[per2_gate], "per", "imx21-mmc.0");
+ clk_register_clkdev(clk[sdhc1_ipg_gate], "ipg", "imx21-mmc.0");
+ clk_register_clkdev(clk[per2_gate], "per", "imx21-mmc.1");
+ clk_register_clkdev(clk[sdhc2_ipg_gate], "ipg", "imx21-mmc.1");
+ clk_register_clkdev(clk[per2_gate], "per", "imx21-mmc.2");
+ clk_register_clkdev(clk[sdhc2_ipg_gate], "ipg", "imx21-mmc.2");
+ clk_register_clkdev(clk[per2_gate], "per", "imx27-cspi.0");
+ clk_register_clkdev(clk[cspi1_ipg_gate], "ipg", "imx27-cspi.0");
+ clk_register_clkdev(clk[per2_gate], "per", "imx27-cspi.1");
+ clk_register_clkdev(clk[cspi2_ipg_gate], "ipg", "imx27-cspi.1");
+ clk_register_clkdev(clk[per2_gate], "per", "imx27-cspi.2");
+ clk_register_clkdev(clk[cspi3_ipg_gate], "ipg", "imx27-cspi.2");
+ clk_register_clkdev(clk[per3_gate], "per", "imx21-fb.0");
+ clk_register_clkdev(clk[lcdc_ipg_gate], "ipg", "imx21-fb.0");
+ clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx21-fb.0");
+ clk_register_clkdev(clk[csi_ahb_gate], "ahb", "imx27-camera.0");
+ clk_register_clkdev(clk[per4_gate], "per", "imx27-camera.0");
+ clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27");
+ clk_register_clkdev(clk[usb_ipg_gate], "ipg", "imx-udc-mx27");
+ clk_register_clkdev(clk[usb_ahb_gate], "ahb", "imx-udc-mx27");
clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0");
clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.0");
clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.0");
@@ -238,32 +258,23 @@ int __init mx27_clocks_init(unsigned long fref)
clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.2");
clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0");
clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1");
- clk_register_clkdev(clk[nfc_baud_gate], NULL, "mxc_nand.0");
+ clk_register_clkdev(clk[nfc_baud_gate], NULL, "imx27-nand.0");
clk_register_clkdev(clk[vpu_baud_gate], "per", "coda-imx27.0");
clk_register_clkdev(clk[vpu_ahb_gate], "ahb", "coda-imx27.0");
- clk_register_clkdev(clk[dma_ahb_gate], "ahb", "imx-dma");
- clk_register_clkdev(clk[dma_ipg_gate], "ipg", "imx-dma");
+ clk_register_clkdev(clk[dma_ahb_gate], "ahb", "imx27-dma");
+ clk_register_clkdev(clk[dma_ipg_gate], "ipg", "imx27-dma");
clk_register_clkdev(clk[fec_ipg_gate], "ipg", "imx27-fec.0");
clk_register_clkdev(clk[fec_ahb_gate], "ahb", "imx27-fec.0");
clk_register_clkdev(clk[wdog_ipg_gate], NULL, "imx2-wdt.0");
- clk_register_clkdev(clk[i2c1_ipg_gate], NULL, "imx-i2c.0");
- clk_register_clkdev(clk[i2c2_ipg_gate], NULL, "imx-i2c.1");
+ clk_register_clkdev(clk[i2c1_ipg_gate], NULL, "imx21-i2c.0");
+ clk_register_clkdev(clk[i2c2_ipg_gate], NULL, "imx21-i2c.1");
clk_register_clkdev(clk[owire_ipg_gate], NULL, "mxc_w1.0");
clk_register_clkdev(clk[kpp_ipg_gate], NULL, "imx-keypad");
- clk_register_clkdev(clk[emma_ahb_gate], "emma-ahb", "mx2-camera.0");
- clk_register_clkdev(clk[emma_ipg_gate], "emma-ipg", "mx2-camera.0");
+ clk_register_clkdev(clk[emma_ahb_gate], "emma-ahb", "imx27-camera.0");
+ clk_register_clkdev(clk[emma_ipg_gate], "emma-ipg", "imx27-camera.0");
clk_register_clkdev(clk[emma_ahb_gate], "ahb", "m2m-emmaprp.0");
clk_register_clkdev(clk[emma_ipg_gate], "ipg", "m2m-emmaprp.0");
- clk_register_clkdev(clk[iim_ipg_gate], "iim", NULL);
- clk_register_clkdev(clk[gpio_ipg_gate], "gpio", NULL);
- clk_register_clkdev(clk[brom_ahb_gate], "brom", NULL);
- clk_register_clkdev(clk[ata_ahb_gate], "ata", NULL);
- clk_register_clkdev(clk[rtc_ipg_gate], NULL, "mxc_rtc");
- clk_register_clkdev(clk[scc_ipg_gate], "scc", NULL);
- clk_register_clkdev(clk[cpu_div], "cpu", NULL);
- clk_register_clkdev(clk[emi_ahb_gate], "emi_ahb" , NULL);
- clk_register_clkdev(clk[ssi1_baud_gate], "bitrate" , "imx-ssi.0");
- clk_register_clkdev(clk[ssi2_baud_gate], "bitrate" , "imx-ssi.1");
+ clk_register_clkdev(clk[cpu_div], NULL, "cpu0");
mxc_timer_init(MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), MX27_INT_GPT1);
@@ -274,7 +285,6 @@ int __init mx27_clocks_init(unsigned long fref)
return 0;
}
-#ifdef CONFIG_OF
int __init mx27_clocks_init_dt(void)
{
struct device_node *np;
@@ -290,4 +300,3 @@ int __init mx27_clocks_init_dt(void)
return mx27_clocks_init(fref);
}
-#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 05:36:09 +0000