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-rw-r--r--arch/arm/mach-imx/clk-imx21.c299
1 files changed, 143 insertions, 156 deletions
diff --git a/arch/arm/mach-imx/clk-imx21.c b/arch/arm/mach-imx/clk-imx21.c
index bdc2e46..4b4c753 100644
--- a/arch/arm/mach-imx/clk-imx21.c
+++ b/arch/arm/mach-imx/clk-imx21.c
@@ -7,178 +7,165 @@
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
*/
#include <linux/clk.h>
-#include <linux/clkdev.h>
#include <linux/clk-provider.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/err.h>
+#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <dt-bindings/clock/imx21-clock.h>
#include "clk.h"
#include "common.h"
#include "hardware.h"
-#define IO_ADDR_CCM(off) (MX21_IO_ADDRESS(MX21_CCM_BASE_ADDR + (off)))
+static void __iomem *ccm __initdata;
/* Register offsets */
-#define CCM_CSCR IO_ADDR_CCM(0x0)
-#define CCM_MPCTL0 IO_ADDR_CCM(0x4)
-#define CCM_MPCTL1 IO_ADDR_CCM(0x8)
-#define CCM_SPCTL0 IO_ADDR_CCM(0xc)
-#define CCM_SPCTL1 IO_ADDR_CCM(0x10)
-#define CCM_OSC26MCTL IO_ADDR_CCM(0x14)
-#define CCM_PCDR0 IO_ADDR_CCM(0x18)
-#define CCM_PCDR1 IO_ADDR_CCM(0x1c)
-#define CCM_PCCR0 IO_ADDR_CCM(0x20)
-#define CCM_PCCR1 IO_ADDR_CCM(0x24)
-#define CCM_CCSR IO_ADDR_CCM(0x28)
-#define CCM_PMCTL IO_ADDR_CCM(0x2c)
-#define CCM_PMCOUNT IO_ADDR_CCM(0x30)
-#define CCM_WKGDCTL IO_ADDR_CCM(0x34)
-
-static const char *mpll_sel_clks[] = { "fpm", "ckih", };
-static const char *spll_sel_clks[] = { "fpm", "ckih", };
-
-enum imx21_clks {
- ckil, ckih, fpm, mpll_sel, spll_sel, mpll, spll, fclk, hclk, ipg, per1,
- per2, per3, per4, uart1_ipg_gate, uart2_ipg_gate, uart3_ipg_gate,
- uart4_ipg_gate, gpt1_ipg_gate, gpt2_ipg_gate, gpt3_ipg_gate,
- pwm_ipg_gate, sdhc1_ipg_gate, sdhc2_ipg_gate, lcdc_ipg_gate,
- lcdc_hclk_gate, cspi3_ipg_gate, cspi2_ipg_gate, cspi1_ipg_gate,
- per4_gate, csi_hclk_gate, usb_div, usb_gate, usb_hclk_gate, ssi1_gate,
- ssi2_gate, nfc_div, nfc_gate, dma_gate, dma_hclk_gate, brom_gate,
- emma_gate, emma_hclk_gate, slcdc_gate, slcdc_hclk_gate, wdog_gate,
- gpio_gate, i2c_gate, kpp_gate, owire_gate, rtc_gate, clk_max
-};
-
-static struct clk *clk[clk_max];
+#define CCM_CSCR (ccm + 0x00)
+#define CCM_MPCTL0 (ccm + 0x04)
+#define CCM_SPCTL0 (ccm + 0x0c)
+#define CCM_PCDR0 (ccm + 0x18)
+#define CCM_PCDR1 (ccm + 0x1c)
+#define CCM_PCCR0 (ccm + 0x20)
+#define CCM_PCCR1 (ccm + 0x24)
+
+static const char *mpll_osc_sel_clks[] = { "ckih_gate", "ckih_div1p5", };
+static const char *mpll_sel_clks[] = { "fpm_gate", "mpll_osc_sel", };
+static const char *spll_sel_clks[] = { "fpm_gate", "mpll_osc_sel", };
+static const char *ssi_sel_clks[] = { "spll_gate", "mpll_gate", };
+
+static struct clk *clk[IMX21_CLK_MAX];
+static struct clk_onecell_data clk_data;
+
+static void __init _mx21_clocks_init(unsigned long lref, unsigned long href)
+{
+ BUG_ON(!ccm);
+
+ clk[IMX21_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
+ clk[IMX21_CLK_CKIL] = imx_obtain_fixed_clock("ckil", lref);
+ clk[IMX21_CLK_CKIH] = imx_obtain_fixed_clock("ckih", href);
+ clk[IMX21_CLK_FPM] = imx_clk_fixed_factor("fpm", "ckil", 512, 1);
+ clk[IMX21_CLK_CKIH_DIV1P5] = imx_clk_fixed_factor("ckih_div1p5", "ckih_gate", 2, 3);
+
+ clk[IMX21_CLK_MPLL_GATE] = imx_clk_gate("mpll_gate", "mpll", CCM_CSCR, 0);
+ clk[IMX21_CLK_SPLL_GATE] = imx_clk_gate("spll_gate", "spll", CCM_CSCR, 1);
+ clk[IMX21_CLK_FPM_GATE] = imx_clk_gate("fpm_gate", "fpm", CCM_CSCR, 2);
+ clk[IMX21_CLK_CKIH_GATE] = imx_clk_gate_dis("ckih_gate", "ckih", CCM_CSCR, 3);
+ clk[IMX21_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[IMX21_CLK_IPG] = imx_clk_divider("ipg", "hclk", CCM_CSCR, 9, 1);
+ clk[IMX21_CLK_HCLK] = imx_clk_divider("hclk", "fclk", CCM_CSCR, 10, 4);
+ clk[IMX21_CLK_MPLL_SEL] = imx_clk_mux("mpll_sel", CCM_CSCR, 16, 1, mpll_sel_clks, ARRAY_SIZE(mpll_sel_clks));
+ clk[IMX21_CLK_SPLL_SEL] = imx_clk_mux("spll_sel", CCM_CSCR, 17, 1, spll_sel_clks, ARRAY_SIZE(spll_sel_clks));
+ clk[IMX21_CLK_SSI1_SEL] = imx_clk_mux("ssi1_sel", CCM_CSCR, 19, 1, ssi_sel_clks, ARRAY_SIZE(ssi_sel_clks));
+ clk[IMX21_CLK_SSI2_SEL] = imx_clk_mux("ssi2_sel", CCM_CSCR, 20, 1, ssi_sel_clks, ARRAY_SIZE(ssi_sel_clks));
+ clk[IMX21_CLK_USB_DIV] = imx_clk_divider("usb_div", "spll_gate", CCM_CSCR, 26, 3);
+ clk[IMX21_CLK_FCLK] = imx_clk_divider("fclk", "mpll_gate", CCM_CSCR, 29, 3);
+
+ clk[IMX21_CLK_MPLL] = imx_clk_pllv1("mpll", "mpll_sel", CCM_MPCTL0);
+
+ clk[IMX21_CLK_SPLL] = imx_clk_pllv1("spll", "spll_sel", CCM_SPCTL0);
+
+ clk[IMX21_CLK_NFC_DIV] = imx_clk_divider("nfc_div", "fclk", CCM_PCDR0, 12, 4);
+ clk[IMX21_CLK_SSI1_DIV] = imx_clk_divider("ssi1_div", "ssi1_sel", CCM_PCDR0, 16, 6);
+ clk[IMX21_CLK_SSI2_DIV] = imx_clk_divider("ssi2_div", "ssi2_sel", CCM_PCDR0, 26, 6);
+
+ clk[IMX21_CLK_PER1] = imx_clk_divider("per1", "mpll_gate", CCM_PCDR1, 0, 6);
+ clk[IMX21_CLK_PER2] = imx_clk_divider("per2", "mpll_gate", CCM_PCDR1, 8, 6);
+ clk[IMX21_CLK_PER3] = imx_clk_divider("per3", "mpll_gate", CCM_PCDR1, 16, 6);
+ clk[IMX21_CLK_PER4] = imx_clk_divider("per4", "mpll_gate", CCM_PCDR1, 24, 6);
+
+ clk[IMX21_CLK_UART1_IPG_GATE] = imx_clk_gate("uart1_ipg_gate", "ipg", CCM_PCCR0, 0);
+ clk[IMX21_CLK_UART2_IPG_GATE] = imx_clk_gate("uart2_ipg_gate", "ipg", CCM_PCCR0, 1);
+ clk[IMX21_CLK_UART3_IPG_GATE] = imx_clk_gate("uart3_ipg_gate", "ipg", CCM_PCCR0, 2);
+ clk[IMX21_CLK_UART4_IPG_GATE] = imx_clk_gate("uart4_ipg_gate", "ipg", CCM_PCCR0, 3);
+ clk[IMX21_CLK_CSPI1_IPG_GATE] = imx_clk_gate("cspi1_ipg_gate", "ipg", CCM_PCCR0, 4);
+ clk[IMX21_CLK_CSPI2_IPG_GATE] = imx_clk_gate("cspi2_ipg_gate", "ipg", CCM_PCCR0, 5);
+ clk[IMX21_CLK_SSI1_GATE] = imx_clk_gate("ssi1_gate", "ipg", CCM_PCCR0, 6);
+ clk[IMX21_CLK_SSI2_GATE] = imx_clk_gate("ssi2_gate", "ipg", CCM_PCCR0, 7);
+ clk[IMX21_CLK_SDHC1_IPG_GATE] = imx_clk_gate("sdhc1_ipg_gate", "ipg", CCM_PCCR0, 9);
+ clk[IMX21_CLK_SDHC2_IPG_GATE] = imx_clk_gate("sdhc2_ipg_gate", "ipg", CCM_PCCR0, 10);
+ clk[IMX21_CLK_GPIO_GATE] = imx_clk_gate("gpio_gate", "ipg", CCM_PCCR0, 11);
+ clk[IMX21_CLK_I2C_GATE] = imx_clk_gate("i2c_gate", "ipg", CCM_PCCR0, 12);
+ clk[IMX21_CLK_DMA_GATE] = imx_clk_gate("dma_gate", "ipg", CCM_PCCR0, 13);
+ clk[IMX21_CLK_USB_GATE] = imx_clk_gate("usb_gate", "usb_div", CCM_PCCR0, 14);
+ clk[IMX21_CLK_EMMA_GATE] = imx_clk_gate("emma_gate", "ipg", CCM_PCCR0, 15);
+ clk[IMX21_CLK_SSI2_BAUD_GATE] = imx_clk_gate("ssi2_baud_gate", "ipg", CCM_PCCR0, 16);
+ clk[IMX21_CLK_SSI1_BAUD_GATE] = imx_clk_gate("ssi1_baud_gate", "ipg", CCM_PCCR0, 17);
+ clk[IMX21_CLK_LCDC_IPG_GATE] = imx_clk_gate("lcdc_ipg_gate", "ipg", CCM_PCCR0, 18);
+ clk[IMX21_CLK_NFC_GATE] = imx_clk_gate("nfc_gate", "nfc_div", CCM_PCCR0, 19);
+ clk[IMX21_CLK_SLCDC_HCLK_GATE] = imx_clk_gate("slcdc_hclk_gate", "hclk", CCM_PCCR0, 21);
+ clk[IMX21_CLK_PER4_GATE] = imx_clk_gate("per4_gate", "per4", CCM_PCCR0, 22);
+ clk[IMX21_CLK_BMI_GATE] = imx_clk_gate("bmi_gate", "hclk", CCM_PCCR0, 23);
+ clk[IMX21_CLK_USB_HCLK_GATE] = imx_clk_gate("usb_hclk_gate", "hclk", CCM_PCCR0, 24);
+ clk[IMX21_CLK_SLCDC_GATE] = imx_clk_gate("slcdc_gate", "hclk", CCM_PCCR0, 25);
+ clk[IMX21_CLK_LCDC_HCLK_GATE] = imx_clk_gate("lcdc_hclk_gate", "hclk", CCM_PCCR0, 26);
+ clk[IMX21_CLK_EMMA_HCLK_GATE] = imx_clk_gate("emma_hclk_gate", "hclk", CCM_PCCR0, 27);
+ clk[IMX21_CLK_BROM_GATE] = imx_clk_gate("brom_gate", "hclk", CCM_PCCR0, 28);
+ clk[IMX21_CLK_DMA_HCLK_GATE] = imx_clk_gate("dma_hclk_gate", "hclk", CCM_PCCR0, 30);
+ clk[IMX21_CLK_CSI_HCLK_GATE] = imx_clk_gate("csi_hclk_gate", "hclk", CCM_PCCR0, 31);
+
+ clk[IMX21_CLK_CSPI3_IPG_GATE] = imx_clk_gate("cspi3_ipg_gate", "ipg", CCM_PCCR1, 23);
+ clk[IMX21_CLK_WDOG_GATE] = imx_clk_gate("wdog_gate", "ipg", CCM_PCCR1, 24);
+ clk[IMX21_CLK_GPT1_IPG_GATE] = imx_clk_gate("gpt1_ipg_gate", "ipg", CCM_PCCR1, 25);
+ clk[IMX21_CLK_GPT2_IPG_GATE] = imx_clk_gate("gpt2_ipg_gate", "ipg", CCM_PCCR1, 26);
+ clk[IMX21_CLK_GPT3_IPG_GATE] = imx_clk_gate("gpt3_ipg_gate", "ipg", CCM_PCCR1, 27);
+ clk[IMX21_CLK_PWM_IPG_GATE] = imx_clk_gate("pwm_ipg_gate", "ipg", CCM_PCCR1, 28);
+ clk[IMX21_CLK_RTC_GATE] = imx_clk_gate("rtc_gate", "ipg", CCM_PCCR1, 29);
+ clk[IMX21_CLK_KPP_GATE] = imx_clk_gate("kpp_gate", "ipg", CCM_PCCR1, 30);
+ clk[IMX21_CLK_OWIRE_GATE] = imx_clk_gate("owire_gate", "ipg", CCM_PCCR1, 31);
+
+ imx_check_clocks(clk, ARRAY_SIZE(clk));
+}
-/*
- * must be called very early to get information about the
- * available clock rate when the timer framework starts
- */
int __init mx21_clocks_init(unsigned long lref, unsigned long href)
{
- int i;
-
- clk[ckil] = imx_clk_fixed("ckil", lref);
- clk[ckih] = imx_clk_fixed("ckih", href);
- clk[fpm] = imx_clk_fixed_factor("fpm", "ckil", 512, 1);
- clk[mpll_sel] = imx_clk_mux("mpll_sel", CCM_CSCR, 16, 1, mpll_sel_clks,
- ARRAY_SIZE(mpll_sel_clks));
- clk[spll_sel] = imx_clk_mux("spll_sel", CCM_CSCR, 17, 1, spll_sel_clks,
- ARRAY_SIZE(spll_sel_clks));
- clk[mpll] = imx_clk_pllv1("mpll", "mpll_sel", CCM_MPCTL0);
- clk[spll] = imx_clk_pllv1("spll", "spll_sel", CCM_SPCTL0);
- clk[fclk] = imx_clk_divider("fclk", "mpll", CCM_CSCR, 29, 3);
- clk[hclk] = imx_clk_divider("hclk", "fclk", CCM_CSCR, 10, 4);
- clk[ipg] = imx_clk_divider("ipg", "hclk", CCM_CSCR, 9, 1);
- clk[per1] = imx_clk_divider("per1", "mpll", CCM_PCDR1, 0, 6);
- clk[per2] = imx_clk_divider("per2", "mpll", CCM_PCDR1, 8, 6);
- clk[per3] = imx_clk_divider("per3", "mpll", CCM_PCDR1, 16, 6);
- clk[per4] = imx_clk_divider("per4", "mpll", CCM_PCDR1, 24, 6);
- clk[uart1_ipg_gate] = imx_clk_gate("uart1_ipg_gate", "ipg", CCM_PCCR0, 0);
- clk[uart2_ipg_gate] = imx_clk_gate("uart2_ipg_gate", "ipg", CCM_PCCR0, 1);
- clk[uart3_ipg_gate] = imx_clk_gate("uart3_ipg_gate", "ipg", CCM_PCCR0, 2);
- clk[uart4_ipg_gate] = imx_clk_gate("uart4_ipg_gate", "ipg", CCM_PCCR0, 3);
- clk[gpt1_ipg_gate] = imx_clk_gate("gpt1_ipg_gate", "ipg", CCM_PCCR1, 25);
- clk[gpt2_ipg_gate] = imx_clk_gate("gpt2_ipg_gate", "ipg", CCM_PCCR1, 26);
- clk[gpt3_ipg_gate] = imx_clk_gate("gpt3_ipg_gate", "ipg", CCM_PCCR1, 27);
- clk[pwm_ipg_gate] = imx_clk_gate("pwm_ipg_gate", "ipg", CCM_PCCR1, 28);
- clk[sdhc1_ipg_gate] = imx_clk_gate("sdhc1_ipg_gate", "ipg", CCM_PCCR0, 9);
- clk[sdhc2_ipg_gate] = imx_clk_gate("sdhc2_ipg_gate", "ipg", CCM_PCCR0, 10);
- clk[lcdc_ipg_gate] = imx_clk_gate("lcdc_ipg_gate", "ipg", CCM_PCCR0, 18);
- clk[lcdc_hclk_gate] = imx_clk_gate("lcdc_hclk_gate", "hclk", CCM_PCCR0, 26);
- clk[cspi3_ipg_gate] = imx_clk_gate("cspi3_ipg_gate", "ipg", CCM_PCCR1, 23);
- clk[cspi2_ipg_gate] = imx_clk_gate("cspi2_ipg_gate", "ipg", CCM_PCCR0, 5);
- clk[cspi1_ipg_gate] = imx_clk_gate("cspi1_ipg_gate", "ipg", CCM_PCCR0, 4);
- clk[per4_gate] = imx_clk_gate("per4_gate", "per4", CCM_PCCR0, 22);
- clk[csi_hclk_gate] = imx_clk_gate("csi_hclk_gate", "hclk", CCM_PCCR0, 31);
- clk[usb_div] = imx_clk_divider("usb_div", "spll", CCM_CSCR, 26, 3);
- clk[usb_gate] = imx_clk_gate("usb_gate", "usb_div", CCM_PCCR0, 14);
- clk[usb_hclk_gate] = imx_clk_gate("usb_hclk_gate", "hclk", CCM_PCCR0, 24);
- clk[ssi1_gate] = imx_clk_gate("ssi1_gate", "ipg", CCM_PCCR0, 6);
- clk[ssi2_gate] = imx_clk_gate("ssi2_gate", "ipg", CCM_PCCR0, 7);
- clk[nfc_div] = imx_clk_divider("nfc_div", "ipg", CCM_PCDR0, 12, 4);
- clk[nfc_gate] = imx_clk_gate("nfc_gate", "nfc_div", CCM_PCCR0, 19);
- clk[dma_gate] = imx_clk_gate("dma_gate", "ipg", CCM_PCCR0, 13);
- clk[dma_hclk_gate] = imx_clk_gate("dma_hclk_gate", "hclk", CCM_PCCR0, 30);
- clk[brom_gate] = imx_clk_gate("brom_gate", "hclk", CCM_PCCR0, 28);
- clk[emma_gate] = imx_clk_gate("emma_gate", "ipg", CCM_PCCR0, 15);
- clk[emma_hclk_gate] = imx_clk_gate("emma_hclk_gate", "hclk", CCM_PCCR0, 27);
- clk[slcdc_gate] = imx_clk_gate("slcdc_gate", "ipg", CCM_PCCR0, 25);
- clk[slcdc_hclk_gate] = imx_clk_gate("slcdc_hclk_gate", "hclk", CCM_PCCR0, 21);
- clk[wdog_gate] = imx_clk_gate("wdog_gate", "ipg", CCM_PCCR1, 24);
- clk[gpio_gate] = imx_clk_gate("gpio_gate", "ipg", CCM_PCCR0, 11);
- clk[i2c_gate] = imx_clk_gate("i2c_gate", "ipg", CCM_PCCR0, 12);
- clk[kpp_gate] = imx_clk_gate("kpp_gate", "ipg", CCM_PCCR1, 30);
- clk[owire_gate] = imx_clk_gate("owire_gate", "ipg", CCM_PCCR1, 31);
- clk[rtc_gate] = imx_clk_gate("rtc_gate", "ipg", CCM_PCCR1, 29);
-
- for (i = 0; i < ARRAY_SIZE(clk); i++)
- if (IS_ERR(clk[i]))
- pr_err("i.MX21 clk %d: register failed with %ld\n",
- i, PTR_ERR(clk[i]));
-
- clk_register_clkdev(clk[per1], "per1", NULL);
- clk_register_clkdev(clk[per2], "per2", NULL);
- clk_register_clkdev(clk[per3], "per3", NULL);
- clk_register_clkdev(clk[per4], "per4", NULL);
- clk_register_clkdev(clk[per1], "per", "imx21-uart.0");
- clk_register_clkdev(clk[uart1_ipg_gate], "ipg", "imx21-uart.0");
- clk_register_clkdev(clk[per1], "per", "imx21-uart.1");
- clk_register_clkdev(clk[uart2_ipg_gate], "ipg", "imx21-uart.1");
- clk_register_clkdev(clk[per1], "per", "imx21-uart.2");
- clk_register_clkdev(clk[uart3_ipg_gate], "ipg", "imx21-uart.2");
- clk_register_clkdev(clk[per1], "per", "imx21-uart.3");
- clk_register_clkdev(clk[uart4_ipg_gate], "ipg", "imx21-uart.3");
- clk_register_clkdev(clk[gpt1_ipg_gate], "ipg", "imx-gpt.0");
- clk_register_clkdev(clk[per1], "per", "imx-gpt.0");
- clk_register_clkdev(clk[gpt2_ipg_gate], "ipg", "imx-gpt.1");
- clk_register_clkdev(clk[per1], "per", "imx-gpt.1");
- clk_register_clkdev(clk[gpt3_ipg_gate], "ipg", "imx-gpt.2");
- clk_register_clkdev(clk[per1], "per", "imx-gpt.2");
- clk_register_clkdev(clk[per2], "per", "imx21-cspi.0");
- clk_register_clkdev(clk[cspi1_ipg_gate], "ipg", "imx21-cspi.0");
- clk_register_clkdev(clk[per2], "per", "imx21-cspi.1");
- clk_register_clkdev(clk[cspi2_ipg_gate], "ipg", "imx21-cspi.1");
- clk_register_clkdev(clk[per2], "per", "imx21-cspi.2");
- clk_register_clkdev(clk[cspi3_ipg_gate], "ipg", "imx21-cspi.2");
- clk_register_clkdev(clk[per3], "per", "imx21-fb.0");
- clk_register_clkdev(clk[lcdc_ipg_gate], "ipg", "imx21-fb.0");
- clk_register_clkdev(clk[lcdc_hclk_gate], "ahb", "imx21-fb.0");
- clk_register_clkdev(clk[usb_gate], "per", "imx21-hcd.0");
- clk_register_clkdev(clk[usb_hclk_gate], "ahb", "imx21-hcd.0");
- clk_register_clkdev(clk[nfc_gate], NULL, "imx21-nand.0");
- clk_register_clkdev(clk[dma_hclk_gate], "ahb", "imx21-dma");
- clk_register_clkdev(clk[dma_gate], "ipg", "imx21-dma");
- clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
- clk_register_clkdev(clk[i2c_gate], NULL, "imx21-i2c.0");
- clk_register_clkdev(clk[kpp_gate], NULL, "mxc-keypad");
- clk_register_clkdev(clk[owire_gate], NULL, "mxc_w1.0");
- clk_register_clkdev(clk[brom_gate], "brom", NULL);
- clk_register_clkdev(clk[emma_gate], "emma", NULL);
- clk_register_clkdev(clk[slcdc_gate], "slcdc", NULL);
- clk_register_clkdev(clk[gpio_gate], "gpio", NULL);
- clk_register_clkdev(clk[rtc_gate], "rtc", NULL);
- clk_register_clkdev(clk[csi_hclk_gate], "csi", NULL);
- clk_register_clkdev(clk[ssi1_gate], "ssi1", NULL);
- clk_register_clkdev(clk[ssi2_gate], "ssi2", NULL);
- clk_register_clkdev(clk[sdhc1_ipg_gate], "sdhc1", NULL);
- clk_register_clkdev(clk[sdhc2_ipg_gate], "sdhc2", NULL);
+ ccm = ioremap(MX21_CCM_BASE_ADDR, SZ_2K);
+
+ _mx21_clocks_init(lref, href);
+
+ clk_register_clkdev(clk[IMX21_CLK_PER1], "per", "imx21-uart.0");
+ clk_register_clkdev(clk[IMX21_CLK_UART1_IPG_GATE], "ipg", "imx21-uart.0");
+ clk_register_clkdev(clk[IMX21_CLK_PER1], "per", "imx21-uart.1");
+ clk_register_clkdev(clk[IMX21_CLK_UART2_IPG_GATE], "ipg", "imx21-uart.1");
+ clk_register_clkdev(clk[IMX21_CLK_PER1], "per", "imx21-uart.2");
+ clk_register_clkdev(clk[IMX21_CLK_UART3_IPG_GATE], "ipg", "imx21-uart.2");
+ clk_register_clkdev(clk[IMX21_CLK_PER1], "per", "imx21-uart.3");
+ clk_register_clkdev(clk[IMX21_CLK_UART4_IPG_GATE], "ipg", "imx21-uart.3");
+ clk_register_clkdev(clk[IMX21_CLK_GPT1_IPG_GATE], "ipg", "imx-gpt.0");
+ clk_register_clkdev(clk[IMX21_CLK_PER1], "per", "imx-gpt.0");
+ clk_register_clkdev(clk[IMX21_CLK_PER2], "per", "imx21-cspi.0");
+ clk_register_clkdev(clk[IMX21_CLK_CSPI1_IPG_GATE], "ipg", "imx21-cspi.0");
+ clk_register_clkdev(clk[IMX21_CLK_PER2], "per", "imx21-cspi.1");
+ clk_register_clkdev(clk[IMX21_CLK_CSPI2_IPG_GATE], "ipg", "imx21-cspi.1");
+ clk_register_clkdev(clk[IMX21_CLK_PER2], "per", "imx21-cspi.2");
+ clk_register_clkdev(clk[IMX21_CLK_CSPI3_IPG_GATE], "ipg", "imx21-cspi.2");
+ clk_register_clkdev(clk[IMX21_CLK_PER3], "per", "imx21-fb.0");
+ clk_register_clkdev(clk[IMX21_CLK_LCDC_IPG_GATE], "ipg", "imx21-fb.0");
+ clk_register_clkdev(clk[IMX21_CLK_LCDC_HCLK_GATE], "ahb", "imx21-fb.0");
+ clk_register_clkdev(clk[IMX21_CLK_USB_GATE], "per", "imx21-hcd.0");
+ clk_register_clkdev(clk[IMX21_CLK_USB_HCLK_GATE], "ahb", "imx21-hcd.0");
+ clk_register_clkdev(clk[IMX21_CLK_NFC_GATE], NULL, "imx21-nand.0");
+ clk_register_clkdev(clk[IMX21_CLK_DMA_HCLK_GATE], "ahb", "imx21-dma");
+ clk_register_clkdev(clk[IMX21_CLK_DMA_GATE], "ipg", "imx21-dma");
+ clk_register_clkdev(clk[IMX21_CLK_WDOG_GATE], NULL, "imx2-wdt.0");
+ clk_register_clkdev(clk[IMX21_CLK_I2C_GATE], NULL, "imx21-i2c.0");
+ clk_register_clkdev(clk[IMX21_CLK_OWIRE_GATE], NULL, "mxc_w1.0");
mxc_timer_init(MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR), MX21_INT_GPT1);
return 0;
}
+
+static void __init mx21_clocks_init_dt(struct device_node *np)
+{
+ ccm = of_iomap(np, 0);
+
+ _mx21_clocks_init(32768, 26000000);
+
+ clk_data.clks = clk;
+ clk_data.clk_num = ARRAY_SIZE(clk);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+}
+CLK_OF_DECLARE(imx27_ccm, "fsl,imx21-ccm", mx21_clocks_init_dt);