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Diffstat (limited to 'arch/arm/mach-imx/clk-imx6q.c')
-rw-r--r--arch/arm/mach-imx/clk-imx6q.c250
1 files changed, 76 insertions, 174 deletions
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 86567d980b07..04cfd0fcb0e5 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -14,7 +14,6 @@
#include <linux/types.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
-#include <linux/delay.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/of.h>
@@ -25,155 +24,6 @@
#include "common.h"
#include "hardware.h"
-#define CCR 0x0
-#define BM_CCR_WB_COUNT (0x7 << 16)
-#define BM_CCR_RBC_BYPASS_COUNT (0x3f << 21)
-#define BM_CCR_RBC_EN (0x1 << 27)
-
-#define CCGR0 0x68
-#define CCGR1 0x6c
-#define CCGR2 0x70
-#define CCGR3 0x74
-#define CCGR4 0x78
-#define CCGR5 0x7c
-#define CCGR6 0x80
-#define CCGR7 0x84
-
-#define CLPCR 0x54
-#define BP_CLPCR_LPM 0
-#define BM_CLPCR_LPM (0x3 << 0)
-#define BM_CLPCR_BYPASS_PMIC_READY (0x1 << 2)
-#define BM_CLPCR_ARM_CLK_DIS_ON_LPM (0x1 << 5)
-#define BM_CLPCR_SBYOS (0x1 << 6)
-#define BM_CLPCR_DIS_REF_OSC (0x1 << 7)
-#define BM_CLPCR_VSTBY (0x1 << 8)
-#define BP_CLPCR_STBY_COUNT 9
-#define BM_CLPCR_STBY_COUNT (0x3 << 9)
-#define BM_CLPCR_COSC_PWRDOWN (0x1 << 11)
-#define BM_CLPCR_WB_PER_AT_LPM (0x1 << 16)
-#define BM_CLPCR_WB_CORE_AT_LPM (0x1 << 17)
-#define BM_CLPCR_BYP_MMDC_CH0_LPM_HS (0x1 << 19)
-#define BM_CLPCR_BYP_MMDC_CH1_LPM_HS (0x1 << 21)
-#define BM_CLPCR_MASK_CORE0_WFI (0x1 << 22)
-#define BM_CLPCR_MASK_CORE1_WFI (0x1 << 23)
-#define BM_CLPCR_MASK_CORE2_WFI (0x1 << 24)
-#define BM_CLPCR_MASK_CORE3_WFI (0x1 << 25)
-#define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26)
-#define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27)
-
-#define CGPR 0x64
-#define BM_CGPR_CHICKEN_BIT (0x1 << 17)
-
-static void __iomem *ccm_base;
-
-void imx6q_set_chicken_bit(void)
-{
- u32 val = readl_relaxed(ccm_base + CGPR);
-
- val |= BM_CGPR_CHICKEN_BIT;
- writel_relaxed(val, ccm_base + CGPR);
-}
-
-static void imx6q_enable_rbc(bool enable)
-{
- u32 val;
- static bool last_rbc_mode;
-
- if (last_rbc_mode == enable)
- return;
- /*
- * need to mask all interrupts in GPC before
- * operating RBC configurations
- */
- imx_gpc_mask_all();
-
- /* configure RBC enable bit */
- val = readl_relaxed(ccm_base + CCR);
- val &= ~BM_CCR_RBC_EN;
- val |= enable ? BM_CCR_RBC_EN : 0;
- writel_relaxed(val, ccm_base + CCR);
-
- /* configure RBC count */
- val = readl_relaxed(ccm_base + CCR);
- val &= ~BM_CCR_RBC_BYPASS_COUNT;
- val |= enable ? BM_CCR_RBC_BYPASS_COUNT : 0;
- writel(val, ccm_base + CCR);
-
- /*
- * need to delay at least 2 cycles of CKIL(32K)
- * due to hardware design requirement, which is
- * ~61us, here we use 65us for safe
- */
- udelay(65);
-
- /* restore GPC interrupt mask settings */
- imx_gpc_restore_all();
-
- last_rbc_mode = enable;
-}
-
-static void imx6q_enable_wb(bool enable)
-{
- u32 val;
- static bool last_wb_mode;
-
- if (last_wb_mode == enable)
- return;
-
- /* configure well bias enable bit */
- val = readl_relaxed(ccm_base + CLPCR);
- val &= ~BM_CLPCR_WB_PER_AT_LPM;
- val |= enable ? BM_CLPCR_WB_PER_AT_LPM : 0;
- writel_relaxed(val, ccm_base + CLPCR);
-
- /* configure well bias count */
- val = readl_relaxed(ccm_base + CCR);
- val &= ~BM_CCR_WB_COUNT;
- val |= enable ? BM_CCR_WB_COUNT : 0;
- writel_relaxed(val, ccm_base + CCR);
-
- last_wb_mode = enable;
-}
-
-int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode)
-{
- u32 val = readl_relaxed(ccm_base + CLPCR);
-
- val &= ~BM_CLPCR_LPM;
- switch (mode) {
- case WAIT_CLOCKED:
- imx6q_enable_wb(false);
- imx6q_enable_rbc(false);
- break;
- case WAIT_UNCLOCKED:
- val |= 0x1 << BP_CLPCR_LPM;
- val |= BM_CLPCR_ARM_CLK_DIS_ON_LPM;
- break;
- case STOP_POWER_ON:
- val |= 0x2 << BP_CLPCR_LPM;
- break;
- case WAIT_UNCLOCKED_POWER_OFF:
- val |= 0x1 << BP_CLPCR_LPM;
- val &= ~BM_CLPCR_VSTBY;
- val &= ~BM_CLPCR_SBYOS;
- break;
- case STOP_POWER_OFF:
- val |= 0x2 << BP_CLPCR_LPM;
- val |= 0x3 << BP_CLPCR_STBY_COUNT;
- val |= BM_CLPCR_VSTBY;
- val |= BM_CLPCR_SBYOS;
- imx6q_enable_wb(true);
- imx6q_enable_rbc(true);
- break;
- default:
- return -EINVAL;
- }
-
- writel_relaxed(val, ccm_base + CLPCR);
-
- return 0;
-}
-
static const char *step_sels[] = { "osc", "pll2_pfd2_396m", };
static const char *pll1_sw_sels[] = { "pll1_sys", "step", };
static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", };
@@ -182,7 +32,7 @@ static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", };
static const char *periph_sels[] = { "periph_pre", "periph_clk2", };
static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", };
static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "periph", "pll3_pfd1_540m", };
-static const char *audio_sels[] = { "pll4_post_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
+static const char *audio_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
static const char *gpu_axi_sels[] = { "axi", "ahb", };
static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", };
static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
@@ -196,7 +46,7 @@ static const char *ipu2_di0_sels[] = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di
static const char *ipu2_di1_sels[] = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
static const char *hsi_tx_sels[] = { "pll3_120m", "pll2_pfd2_396m", };
static const char *pcie_axi_sels[] = { "axi", "ahb", };
-static const char *ssi_sels[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_post_div", };
+static const char *ssi_sels[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio_div", };
static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", };
static const char *emi_sels[] = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", };
@@ -205,7 +55,23 @@ static const char *vdo_axi_sels[] = { "axi", "ahb", };
static const char *vpu_axi_sels[] = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div",
"dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
- "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_post_div", };
+ "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio_div", };
+static const char *cko2_sels[] = {
+ "mmdc_ch0_axi", "mmdc_ch1_axi", "usdhc4", "usdhc1",
+ "gpu2d_axi", "dummy", "ecspi_root", "gpu3d_axi",
+ "usdhc3", "dummy", "arm", "ipu1",
+ "ipu2", "vdo_axi", "osc", "gpu2d_core",
+ "gpu3d_core", "usdhc2", "ssi1", "ssi2",
+ "ssi3", "gpu3d_shader", "vpu_axi", "can_root",
+ "ldb_di0", "ldb_di1", "esai", "eim_slow",
+ "uart_serial", "spdif", "asrc", "hsi_tx",
+};
+static const char *cko_sels[] = { "cko1", "cko2", };
+static const char *lvds_sels[] = {
+ "dummy", "dummy", "dummy", "dummy", "dummy", "dummy",
+ "pll4_audio", "pll5_video", "pll8_mlb", "enet_ref",
+ "pcie_ref", "sata_ref",
+};
enum mx6q_clks {
dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m,
@@ -239,7 +105,9 @@ enum mx6q_clks {
pll4_audio, pll5_video, pll8_mlb, pll7_usb_host, pll6_enet, ssi1_ipg,
ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5,
sata_ref, sata_ref_100m, pcie_ref, pcie_ref_125m, enet_ref, usbphy1_gate,
- usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, eim_slow, clk_max
+ usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, eim_slow,
+ spdif, cko2_sel, cko2_podf, cko2, cko, vdoa, pll4_audio_div,
+ lvds1_sel, lvds2_sel, lvds1_gate, lvds2_gate, clk_max
};
static struct clk *clk[clk_max];
@@ -254,13 +122,14 @@ static struct clk_div_table clk_enet_ref_table[] = {
{ .val = 1, .div = 10, },
{ .val = 2, .div = 5, },
{ .val = 3, .div = 4, },
+ { /* sentinel */ }
};
static struct clk_div_table post_div_table[] = {
{ .val = 2, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 0, .div = 4, },
- { }
+ { /* sentinel */ }
};
static struct clk_div_table video_div_table[] = {
@@ -268,7 +137,7 @@ static struct clk_div_table video_div_table[] = {
{ .val = 1, .div = 2, },
{ .val = 2, .div = 1, },
{ .val = 3, .div = 4, },
- { }
+ { /* sentinel */ }
};
static void __init imx6q_clocks_init(struct device_node *ccm_node)
@@ -276,6 +145,7 @@ 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);
@@ -287,7 +157,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
WARN_ON(!base);
/* Audio/video PLL post dividers do not work on i.MX6q revision 1.0 */
- if (cpu_is_imx6q() && imx6q_revision() == IMX_CHIP_REVISION_1_0) {
+ if (cpu_is_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_1_0) {
post_div_table[1].div = 1;
post_div_table[2].div = 1;
video_div_table[1].div = 1;
@@ -329,6 +199,18 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
base + 0xe0, 0, 2, 0, clk_enet_ref_table,
&imx_ccm_lock);
+ clk[lvds1_sel] = imx_clk_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
+ clk[lvds2_sel] = imx_clk_mux("lvds2_sel", base + 0x160, 5, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
+
+ /*
+ * lvds1_gate and lvds2_gate are pseudo-gates. Both can be
+ * independently configured as clock inputs or outputs. We treat
+ * the "output_enable" bit as a gate, even though it's really just
+ * enabling clock output.
+ */
+ clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "dummy", base + 0x160, 10);
+ clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "dummy", base + 0x160, 11);
+
/* name parent_name reg idx */
clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0);
clk[pll2_pfd1_594m] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1);
@@ -346,13 +228,15 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[twd] = imx_clk_fixed_factor("twd", "arm", 1, 2);
clk[pll4_post_div] = clk_register_divider_table(NULL, "pll4_post_div", "pll4_audio", CLK_SET_RATE_PARENT, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock);
+ clk[pll4_audio_div] = clk_register_divider(NULL, "pll4_audio_div", "pll4_post_div", CLK_SET_RATE_PARENT, base + 0x170, 15, 1, 0, &imx_ccm_lock);
clk[pll5_post_div] = clk_register_divider_table(NULL, "pll5_post_div", "pll5_video", CLK_SET_RATE_PARENT, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock);
clk[pll5_video_div] = clk_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", CLK_SET_RATE_PARENT, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock);
np = ccm_node;
base = of_iomap(np, 0);
WARN_ON(!base);
- ccm_base = base;
+
+ imx6q_pm_set_ccm_base(base);
/* name reg shift width parent_names num_parents */
clk[step] = imx_clk_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels));
@@ -384,19 +268,21 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[ipu2_di1_sel] = imx_clk_mux("ipu2_di1_sel", base + 0x38, 9, 3, ipu2_di1_sels, ARRAY_SIZE(ipu2_di1_sels));
clk[hsi_tx_sel] = imx_clk_mux("hsi_tx_sel", base + 0x30, 28, 1, hsi_tx_sels, ARRAY_SIZE(hsi_tx_sels));
clk[pcie_axi_sel] = imx_clk_mux("pcie_axi_sel", base + 0x18, 10, 1, pcie_axi_sels, ARRAY_SIZE(pcie_axi_sels));
- clk[ssi1_sel] = imx_clk_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clk[ssi2_sel] = imx_clk_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clk[ssi3_sel] = imx_clk_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clk[usdhc1_sel] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clk[usdhc2_sel] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clk[usdhc3_sel] = imx_clk_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clk[usdhc4_sel] = imx_clk_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
+ clk[ssi1_sel] = imx_clk_fixup_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[ssi2_sel] = imx_clk_fixup_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[ssi3_sel] = imx_clk_fixup_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[usdhc1_sel] = imx_clk_fixup_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[usdhc2_sel] = imx_clk_fixup_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[usdhc3_sel] = imx_clk_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[usdhc4_sel] = imx_clk_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
clk[enfc_sel] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels));
- clk[emi_sel] = imx_clk_mux("emi_sel", base + 0x1c, 27, 2, emi_sels, ARRAY_SIZE(emi_sels));
- clk[emi_slow_sel] = imx_clk_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_slow_sels, ARRAY_SIZE(emi_slow_sels));
+ clk[emi_sel] = imx_clk_fixup_mux("emi_sel", base + 0x1c, 27, 2, emi_sels, ARRAY_SIZE(emi_sels), imx_cscmr1_fixup);
+ clk[emi_slow_sel] = imx_clk_fixup_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_slow_sels, ARRAY_SIZE(emi_slow_sels), imx_cscmr1_fixup);
clk[vdo_axi_sel] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels));
clk[vpu_axi_sel] = imx_clk_mux("vpu_axi_sel", base + 0x18, 14, 2, vpu_axi_sels, ARRAY_SIZE(vpu_axi_sels));
clk[cko1_sel] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels));
+ clk[cko2_sel] = imx_clk_mux("cko2_sel", base + 0x60, 16, 5, cko2_sels, ARRAY_SIZE(cko2_sels));
+ clk[cko] = imx_clk_mux("cko", base + 0x60, 8, 1, cko_sels, ARRAY_SIZE(cko_sels));
/* name reg shift width busy: reg, shift parent_names num_parents */
clk[periph] = imx_clk_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels));
@@ -406,14 +292,14 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[periph_clk2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3);
clk[periph2_clk2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3);
clk[ipg] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2);
- clk[ipg_per] = imx_clk_divider("ipg_per", "ipg", base + 0x1c, 0, 6);
+ clk[ipg_per] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup);
clk[esai_pred] = imx_clk_divider("esai_pred", "esai_sel", base + 0x28, 9, 3);
clk[esai_podf] = imx_clk_divider("esai_podf", "esai_pred", base + 0x28, 25, 3);
clk[asrc_pred] = imx_clk_divider("asrc_pred", "asrc_sel", base + 0x30, 12, 3);
clk[asrc_podf] = imx_clk_divider("asrc_podf", "asrc_pred", base + 0x30, 9, 3);
clk[spdif_pred] = imx_clk_divider("spdif_pred", "spdif_sel", base + 0x30, 25, 3);
clk[spdif_podf] = imx_clk_divider("spdif_podf", "spdif_pred", base + 0x30, 22, 3);
- clk[can_root] = imx_clk_divider("can_root", "pll3_usb_otg", base + 0x20, 2, 6);
+ clk[can_root] = imx_clk_divider("can_root", "pll3_60m", base + 0x20, 2, 6);
clk[ecspi_root] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6);
clk[gpu2d_core_podf] = imx_clk_divider("gpu2d_core_podf", "gpu2d_core_sel", base + 0x18, 23, 3);
clk[gpu3d_core_podf] = imx_clk_divider("gpu3d_core_podf", "gpu3d_core_sel", base + 0x18, 26, 3);
@@ -442,10 +328,11 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[usdhc4_podf] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3);
clk[enfc_pred] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3);
clk[enfc_podf] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6);
- clk[emi_podf] = imx_clk_divider("emi_podf", "emi_sel", base + 0x1c, 20, 3);
- clk[emi_slow_podf] = imx_clk_divider("emi_slow_podf", "emi_slow_sel", base + 0x1c, 23, 3);
+ clk[emi_podf] = imx_clk_fixup_divider("emi_podf", "emi_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup);
+ clk[emi_slow_podf] = imx_clk_fixup_divider("emi_slow_podf", "emi_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup);
clk[vpu_axi_podf] = imx_clk_divider("vpu_axi_podf", "vpu_axi_sel", base + 0x24, 25, 3);
clk[cko1_podf] = imx_clk_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3);
+ clk[cko2_podf] = imx_clk_divider("cko2_podf", "cko2_sel", base + 0x60, 21, 3);
/* name parent_name reg shift width busy: reg, shift */
clk[axi] = imx_clk_busy_divider("axi", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0);
@@ -486,6 +373,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[i2c3] = imx_clk_gate2("i2c3", "ipg_per", base + 0x70, 10);
clk[iim] = imx_clk_gate2("iim", "ipg", base + 0x70, 12);
clk[enfc] = imx_clk_gate2("enfc", "enfc_podf", base + 0x70, 14);
+ clk[vdoa] = imx_clk_gate2("vdoa", "vdo_axi", base + 0x70, 26);
clk[ipu1] = imx_clk_gate2("ipu1", "ipu1_podf", base + 0x74, 0);
clk[ipu1_di0] = imx_clk_gate2("ipu1_di0", "ipu1_di0_sel", base + 0x74, 2);
clk[ipu1_di1] = imx_clk_gate2("ipu1_di1", "ipu1_di1_sel", base + 0x74, 4);
@@ -521,6 +409,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[sata] = imx_clk_gate2("sata", "ipg", base + 0x7c, 4);
clk[sdma] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6);
clk[spba] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12);
+ clk[spdif] = imx_clk_gate2("spdif", "spdif_podf", base + 0x7c, 14);
clk[ssi1_ipg] = imx_clk_gate2("ssi1_ipg", "ipg", base + 0x7c, 18);
clk[ssi2_ipg] = imx_clk_gate2("ssi2_ipg", "ipg", base + 0x7c, 20);
clk[ssi3_ipg] = imx_clk_gate2("ssi3_ipg", "ipg", base + 0x7c, 22);
@@ -535,6 +424,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[vdo_axi] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12);
clk[vpu_axi] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14);
clk[cko1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7);
+ clk[cko2] = imx_clk_gate("cko2", "cko2_podf", base + 0x60, 24);
for (i = 0; i < ARRAY_SIZE(clk); i++)
if (IS_ERR(clk[i]))
@@ -554,7 +444,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk_register_clkdev(clk[pll4_post_div], "pll4_post_div", NULL);
clk_register_clkdev(clk[pll4_audio], "pll4_audio", NULL);
- if (imx6q_revision() != IMX_CHIP_REVISION_1_0) {
+ if ((imx_get_soc_revision() != IMX_CHIP_REVISION_1_0) ||
+ cpu_is_imx6dl()) {
clk_set_parent(clk[ldb_di0_sel], clk[pll5_video_div]);
clk_set_parent(clk[ldb_di1_sel], clk[pll5_video_div]);
}
@@ -574,8 +465,19 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk_prepare_enable(clk[usbphy2_gate]);
}
- /* Set initial power mode */
- imx6q_set_lpm(WAIT_CLOCKED);
+ /*
+ * 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);
+
+ /* All existing boards with PCIe use LVDS1 */
+ if (IS_ENABLED(CONFIG_PCI_IMX6))
+ clk_set_parent(clk[lvds1_sel], clk[sata_ref]);
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
base = of_iomap(np, 0);