summaryrefslogtreecommitdiff
path: root/arch/arm/mach-imx/clk-imx51-imx53.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-imx/clk-imx51-imx53.c')
-rw-r--r--arch/arm/mach-imx/clk-imx51-imx53.c75
1 files changed, 47 insertions, 28 deletions
diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
index a0bf84803eac..579023f59dc1 100644
--- a/arch/arm/mach-imx/clk-imx51-imx53.c
+++ b/arch/arm/mach-imx/clk-imx51-imx53.c
@@ -14,11 +14,10 @@
#include <linux/of.h>
#include <linux/err.h>
-#include <mach/hardware.h>
-#include <mach/common.h>
-
#include "crm-regs-imx5.h"
#include "clk.h"
+#include "common.h"
+#include "hardware.h"
/* Low-power Audio Playback Mode clock */
static const char *lp_apm_sel[] = { "osc", };
@@ -88,6 +87,7 @@ enum imx5_clks {
};
static struct clk *clk[clk_max];
+static struct clk_onecell_data clk_data;
static void __init mx5_clocks_common_init(unsigned long rate_ckil,
unsigned long rate_osc, unsigned long rate_ckih1,
@@ -258,8 +258,8 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
clk_register_clkdev(clk[cspi_ipg_gate], NULL, "imx35-cspi.2");
clk_register_clkdev(clk[pwm1_ipg_gate], "pwm", "mxc_pwm.0");
clk_register_clkdev(clk[pwm2_ipg_gate], "pwm", "mxc_pwm.1");
- clk_register_clkdev(clk[i2c1_gate], NULL, "imx-i2c.0");
- clk_register_clkdev(clk[i2c2_gate], NULL, "imx-i2c.1");
+ clk_register_clkdev(clk[i2c1_gate], NULL, "imx21-i2c.0");
+ clk_register_clkdev(clk[i2c2_gate], NULL, "imx21-i2c.1");
clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.0");
clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.0");
clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.0");
@@ -272,7 +272,7 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
clk_register_clkdev(clk[usboh3_per_gate], "per", "fsl-usb2-udc");
clk_register_clkdev(clk[usboh3_gate], "ipg", "fsl-usb2-udc");
clk_register_clkdev(clk[usboh3_gate], "ahb", "fsl-usb2-udc");
- clk_register_clkdev(clk[nfc_gate], NULL, "mxc_nand");
+ clk_register_clkdev(clk[nfc_gate], NULL, "imx51-nand");
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[ssi3_ipg_gate], NULL, "imx-ssi.2");
@@ -306,6 +306,10 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
clk_prepare_enable(clk[spba]);
clk_prepare_enable(clk[emi_fast_gate]); /* fec */
clk_prepare_enable(clk[emi_slow_gate]); /* eim */
+ clk_prepare_enable(clk[mipi_hsc1_gate]);
+ clk_prepare_enable(clk[mipi_hsc2_gate]);
+ clk_prepare_enable(clk[mipi_esc_gate]);
+ clk_prepare_enable(clk[mipi_hsp_gate]);
clk_prepare_enable(clk[tmax1]);
clk_prepare_enable(clk[tmax2]); /* esdhc2, fec */
clk_prepare_enable(clk[tmax3]); /* esdhc1, esdhc4 */
@@ -315,6 +319,8 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
unsigned long rate_ckih1, unsigned long rate_ckih2)
{
int i;
+ u32 val;
+ struct device_node *np;
clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX51_DPLL1_BASE);
clk[pll2_sw] = imx_clk_pllv2("pll2_sw", "osc", MX51_DPLL2_BASE);
@@ -343,16 +349,20 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
pr_err("i.MX51 clk %d: register failed with %ld\n",
i, PTR_ERR(clk[i]));
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx51-ccm");
+ clk_data.clks = clk;
+ clk_data.clk_num = ARRAY_SIZE(clk);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
mx5_clocks_common_init(rate_ckil, rate_osc, rate_ckih1, rate_ckih2);
- clk_register_clkdev(clk[hsi2c_gate], NULL, "imx-i2c.2");
+ clk_register_clkdev(clk[hsi2c_gate], NULL, "imx21-i2c.2");
clk_register_clkdev(clk[mx51_mipi], "mipi_hsp", NULL);
clk_register_clkdev(clk[vpu_gate], NULL, "imx51-vpu.0");
clk_register_clkdev(clk[fec_gate], NULL, "imx27-fec.0");
- clk_register_clkdev(clk[ipu_gate], "bus", "imx51-ipu");
- clk_register_clkdev(clk[ipu_di0_gate], "di0", "imx51-ipu");
- clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx51-ipu");
- clk_register_clkdev(clk[ipu_gate], "hsp", "imx51-ipu");
+ clk_register_clkdev(clk[ipu_gate], "bus", "40000000.ipu");
+ clk_register_clkdev(clk[ipu_di0_gate], "di0", "40000000.ipu");
+ clk_register_clkdev(clk[ipu_di1_gate], "di1", "40000000.ipu");
clk_register_clkdev(clk[usb_phy_gate], "phy", "mxc-ehci.0");
clk_register_clkdev(clk[esdhc1_ipg_gate], "ipg", "sdhci-esdhc-imx51.0");
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.0");
@@ -366,10 +376,6 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
clk_register_clkdev(clk[esdhc4_ipg_gate], "ipg", "sdhci-esdhc-imx51.3");
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.3");
clk_register_clkdev(clk[esdhc4_per_gate], "per", "sdhci-esdhc-imx51.3");
- clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "83fcc000.ssi");
- clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "70014000.ssi");
- clk_register_clkdev(clk[ssi3_ipg_gate], NULL, "83fe8000.ssi");
- clk_register_clkdev(clk[nfc_gate], NULL, "83fdb000.nand");
/* set the usboh3 parent to pll2_sw */
clk_set_parent(clk[usboh3_sel], clk[pll2_sw]);
@@ -385,6 +391,21 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
imx_print_silicon_rev("i.MX51", mx51_revision());
clk_disable_unprepare(clk[iim_gate]);
+ /*
+ * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no
+ * longer supported. Set to one for better power saving.
+ *
+ * The effect of not setting these bits is that MIPI clocks can't be
+ * enabled without the IPU clock being enabled aswell.
+ */
+ val = readl(MXC_CCM_CCDR);
+ val |= 1 << 18;
+ writel(val, MXC_CCM_CCDR);
+
+ val = readl(MXC_CCM_CLPCR);
+ val |= 1 << 23;
+ writel(val, MXC_CCM_CLPCR);
+
return 0;
}
@@ -393,6 +414,7 @@ int __init mx53_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
{
int i;
unsigned long r;
+ struct device_node *np;
clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE);
clk[pll2_sw] = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE);
@@ -437,15 +459,20 @@ int __init mx53_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
pr_err("i.MX53 clk %d: register failed with %ld\n",
i, PTR_ERR(clk[i]));
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx53-ccm");
+ clk_data.clks = clk;
+ clk_data.clk_num = ARRAY_SIZE(clk);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
mx5_clocks_common_init(rate_ckil, rate_osc, rate_ckih1, rate_ckih2);
clk_register_clkdev(clk[vpu_gate], NULL, "imx53-vpu.0");
- clk_register_clkdev(clk[i2c3_gate], NULL, "imx-i2c.2");
+ clk_register_clkdev(clk[i2c3_gate], NULL, "imx21-i2c.2");
clk_register_clkdev(clk[fec_gate], NULL, "imx25-fec.0");
- clk_register_clkdev(clk[ipu_gate], "bus", "imx53-ipu");
- clk_register_clkdev(clk[ipu_di0_gate], "di0", "imx53-ipu");
- clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx53-ipu");
- clk_register_clkdev(clk[ipu_gate], "hsp", "imx53-ipu");
+ clk_register_clkdev(clk[ipu_gate], "bus", "18000000.ipu");
+ clk_register_clkdev(clk[ipu_di0_gate], "di0", "18000000.ipu");
+ clk_register_clkdev(clk[ipu_di1_gate], "di1", "18000000.ipu");
+ clk_register_clkdev(clk[ipu_gate], "hsp", "18000000.ipu");
clk_register_clkdev(clk[usb_phy1_gate], "usb_phy1", "mxc-ehci.0");
clk_register_clkdev(clk[esdhc1_ipg_gate], "ipg", "sdhci-esdhc-imx53.0");
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.0");
@@ -459,14 +486,6 @@ int __init mx53_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
clk_register_clkdev(clk[esdhc4_ipg_gate], "ipg", "sdhci-esdhc-imx53.3");
clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.3");
clk_register_clkdev(clk[esdhc4_per_gate], "per", "sdhci-esdhc-imx53.3");
- clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "63fcc000.ssi");
- clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "50014000.ssi");
- clk_register_clkdev(clk[ssi3_ipg_gate], NULL, "63fd0000.ssi");
- clk_register_clkdev(clk[nfc_gate], NULL, "63fdb000.nand");
- clk_register_clkdev(clk[can1_ipg_gate], "ipg", "53fc8000.can");
- clk_register_clkdev(clk[can1_serial_gate], "per", "53fc8000.can");
- clk_register_clkdev(clk[can2_ipg_gate], "ipg", "53fcc000.can");
- clk_register_clkdev(clk[can2_serial_gate], "per", "53fcc000.can");
/* set SDHC root clock to 200MHZ*/
clk_set_rate(clk[esdhc_a_podf], 200000000);