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-rw-r--r--drivers/clk/imx/clk-imx6q.c14
-rw-r--r--drivers/clk/imx/clk-imx6sl.c12
-rw-r--r--drivers/clk/imx/clk-imx6sx.c40
-rw-r--r--drivers/clk/imx/clk-imx7d.c1
4 files changed, 17 insertions, 50 deletions
diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index 0662db5d37c6..8c7c2fcb8d94 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -96,12 +96,6 @@ static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };
static struct clk *clk[IMX6QDL_CLK_END];
static struct clk_onecell_data clk_data;
-static unsigned int const clks_init_on[] __initconst = {
- IMX6QDL_CLK_MMDC_CH0_AXI,
- IMX6QDL_CLK_ROM,
- IMX6QDL_CLK_ARM,
-};
-
static struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
@@ -417,7 +411,6 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
void __iomem *anatop_base, *base;
- int i;
int ret;
clk[IMX6QDL_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
@@ -794,7 +787,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_MLB] = imx_clk_gate2("mlb", "mlb_podf", base + 0x74, 18);
else
clk[IMX6QDL_CLK_MLB] = imx_clk_gate2("mlb", "axi", base + 0x74, 18);
- clk[IMX6QDL_CLK_MMDC_CH0_AXI] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20);
+ clk[IMX6QDL_CLK_MMDC_CH0_AXI] = imx_clk_gate2_flags("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20, CLK_IS_CRITICAL);
clk[IMX6QDL_CLK_MMDC_CH1_AXI] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22);
clk[IMX6QDL_CLK_OCRAM] = imx_clk_gate2("ocram", "ahb", base + 0x74, 28);
clk[IMX6QDL_CLK_OPENVG_AXI] = imx_clk_gate2("openvg_axi", "axi", base + 0x74, 30);
@@ -808,7 +801,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_GPMI_BCH] = imx_clk_gate2("gpmi_bch", "usdhc4", base + 0x78, 26);
clk[IMX6QDL_CLK_GPMI_IO] = imx_clk_gate2("gpmi_io", "enfc", base + 0x78, 28);
clk[IMX6QDL_CLK_GPMI_APB] = imx_clk_gate2("gpmi_apb", "usdhc3", base + 0x78, 30);
- clk[IMX6QDL_CLK_ROM] = imx_clk_gate2("rom", "ahb", base + 0x7c, 0);
+ clk[IMX6QDL_CLK_ROM] = imx_clk_gate2_flags("rom", "ahb", base + 0x7c, 0, CLK_IS_CRITICAL);
clk[IMX6QDL_CLK_SATA] = imx_clk_gate2("sata", "ahb", base + 0x7c, 4);
clk[IMX6QDL_CLK_SDMA] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6);
clk[IMX6QDL_CLK_SPBA] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12);
@@ -878,9 +871,6 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
*/
clk_set_parent(clk[IMX6QDL_CLK_ENFC_SEL], clk[IMX6QDL_CLK_PLL2_PFD2_396M]);
- for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
- clk_prepare_enable(clk[clks_init_on[i]]);
-
if (IS_ENABLED(CONFIG_USB_MXS_PHY)) {
clk_prepare_enable(clk[IMX6QDL_CLK_USBPHY1_GATE]);
clk_prepare_enable(clk[IMX6QDL_CLK_USBPHY2_GATE]);
diff --git a/drivers/clk/imx/clk-imx6sl.c b/drivers/clk/imx/clk-imx6sl.c
index 66b1dd1cfad0..eb6bcbf345a3 100644
--- a/drivers/clk/imx/clk-imx6sl.c
+++ b/drivers/clk/imx/clk-imx6sl.c
@@ -104,10 +104,6 @@ static struct clk_onecell_data clk_data;
static void __iomem *ccm_base;
static void __iomem *anatop_base;
-static const u32 clks_init_on[] __initconst = {
- IMX6SL_CLK_IPG, IMX6SL_CLK_ARM, IMX6SL_CLK_MMDC_ROOT,
-};
-
/*
* ERR005311 CCM: After exit from WAIT mode, unwanted interrupt(s) taken
* during WAIT mode entry process could cause cache memory
@@ -195,7 +191,6 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
void __iomem *base;
- int i;
int ret;
clks[IMX6SL_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
@@ -426,13 +421,6 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node)
pr_warn("%s: failed to set AHB clock rate %d!\n",
__func__, ret);
- /*
- * Make sure those always on clocks are enabled to maintain the correct
- * usecount and enabling/disabling of parent PLLs.
- */
- for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
- clk_prepare_enable(clks[clks_init_on[i]]);
-
if (IS_ENABLED(CONFIG_USB_MXS_PHY)) {
clk_prepare_enable(clks[IMX6SL_CLK_USBPHY1_GATE]);
clk_prepare_enable(clks[IMX6SL_CLK_USBPHY2_GATE]);
diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c
index 10c771b91ef6..aed43910e26e 100644
--- a/drivers/clk/imx/clk-imx6sx.c
+++ b/drivers/clk/imx/clk-imx6sx.c
@@ -92,14 +92,6 @@ static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };
static struct clk *clks[IMX6SX_CLK_CLK_END];
static struct clk_onecell_data clk_data;
-static int const clks_init_on[] __initconst = {
- IMX6SX_CLK_AIPS_TZ1, IMX6SX_CLK_AIPS_TZ2, IMX6SX_CLK_AIPS_TZ3,
- IMX6SX_CLK_IPMUX1, IMX6SX_CLK_IPMUX2, IMX6SX_CLK_IPMUX3,
- IMX6SX_CLK_WAKEUP, IMX6SX_CLK_MMDC_P0_FAST, IMX6SX_CLK_MMDC_P0_IPG,
- IMX6SX_CLK_ROM, IMX6SX_CLK_ARM, IMX6SX_CLK_IPG, IMX6SX_CLK_OCRAM,
- IMX6SX_CLK_PER2_MAIN, IMX6SX_CLK_PERCLK, IMX6SX_CLK_TZASC1,
-};
-
static const struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
@@ -142,7 +134,6 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
void __iomem *base;
- int i;
clks[IMX6SX_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
@@ -332,7 +323,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clks[IMX6SX_CLK_QSPI1_PODF] = imx_clk_divider("qspi1_podf", "qspi1_sel", base + 0x1c, 26, 3);
clks[IMX6SX_CLK_EIM_SLOW_PODF] = imx_clk_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3);
clks[IMX6SX_CLK_LCDIF2_PODF] = imx_clk_divider("lcdif2_podf", "lcdif2_pred", base + 0x1c, 20, 3);
- clks[IMX6SX_CLK_PERCLK] = imx_clk_divider("perclk", "perclk_sel", base + 0x1c, 0, 6);
+ clks[IMX6SX_CLK_PERCLK] = imx_clk_divider_flags("perclk", "perclk_sel", base + 0x1c, 0, 6, CLK_IS_CRITICAL);
clks[IMX6SX_CLK_VID_PODF] = imx_clk_divider("vid_podf", "vid_sel", base + 0x20, 24, 2);
clks[IMX6SX_CLK_CAN_PODF] = imx_clk_divider("can_podf", "can_sel", base + 0x20, 2, 6);
clks[IMX6SX_CLK_USDHC4_PODF] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3);
@@ -380,8 +371,8 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
/* name parent_name reg shift */
/* CCGR0 */
- clks[IMX6SX_CLK_AIPS_TZ1] = imx_clk_gate2("aips_tz1", "ahb", base + 0x68, 0);
- clks[IMX6SX_CLK_AIPS_TZ2] = imx_clk_gate2("aips_tz2", "ahb", base + 0x68, 2);
+ clks[IMX6SX_CLK_AIPS_TZ1] = imx_clk_gate2_flags("aips_tz1", "ahb", base + 0x68, 0, CLK_IS_CRITICAL);
+ clks[IMX6SX_CLK_AIPS_TZ2] = imx_clk_gate2_flags("aips_tz2", "ahb", base + 0x68, 2, CLK_IS_CRITICAL);
clks[IMX6SX_CLK_APBH_DMA] = imx_clk_gate2("apbh_dma", "usdhc3", base + 0x68, 4);
clks[IMX6SX_CLK_ASRC_MEM] = imx_clk_gate2_shared("asrc_mem", "ahb", base + 0x68, 6, &share_count_asrc);
clks[IMX6SX_CLK_ASRC_IPG] = imx_clk_gate2_shared("asrc_ipg", "ahb", base + 0x68, 6, &share_count_asrc);
@@ -394,7 +385,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clks[IMX6SX_CLK_CAN2_SERIAL] = imx_clk_gate2("can2_serial", "can_podf", base + 0x68, 20);
clks[IMX6SX_CLK_DCIC1] = imx_clk_gate2("dcic1", "display_podf", base + 0x68, 24);
clks[IMX6SX_CLK_DCIC2] = imx_clk_gate2("dcic2", "display_podf", base + 0x68, 26);
- clks[IMX6SX_CLK_AIPS_TZ3] = imx_clk_gate2("aips_tz3", "ahb", base + 0x68, 30);
+ clks[IMX6SX_CLK_AIPS_TZ3] = imx_clk_gate2_flags("aips_tz3", "ahb", base + 0x68, 30, CLK_IS_CRITICAL);
/* CCGR1 */
clks[IMX6SX_CLK_ECSPI1] = imx_clk_gate2("ecspi1", "ecspi_podf", base + 0x6c, 0);
@@ -407,7 +398,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clks[IMX6SX_CLK_ESAI_EXTAL] = imx_clk_gate2_shared("esai_extal", "esai_podf", base + 0x6c, 16, &share_count_esai);
clks[IMX6SX_CLK_ESAI_IPG] = imx_clk_gate2_shared("esai_ipg", "ahb", base + 0x6c, 16, &share_count_esai);
clks[IMX6SX_CLK_ESAI_MEM] = imx_clk_gate2_shared("esai_mem", "ahb", base + 0x6c, 16, &share_count_esai);
- clks[IMX6SX_CLK_WAKEUP] = imx_clk_gate2("wakeup", "ipg", base + 0x6c, 18);
+ clks[IMX6SX_CLK_WAKEUP] = imx_clk_gate2_flags("wakeup", "ipg", base + 0x6c, 18, CLK_IS_CRITICAL);
clks[IMX6SX_CLK_GPT_BUS] = imx_clk_gate2("gpt_bus", "perclk", base + 0x6c, 20);
clks[IMX6SX_CLK_GPT_SERIAL] = imx_clk_gate2("gpt_serial", "perclk", base + 0x6c, 22);
clks[IMX6SX_CLK_GPU] = imx_clk_gate2("gpu", "gpu_core_podf", base + 0x6c, 26);
@@ -420,10 +411,10 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clks[IMX6SX_CLK_I2C3] = imx_clk_gate2("i2c3", "perclk", base + 0x70, 10);
clks[IMX6SX_CLK_OCOTP] = imx_clk_gate2("ocotp", "ipg", base + 0x70, 12);
clks[IMX6SX_CLK_IOMUXC] = imx_clk_gate2("iomuxc", "lcdif1_podf", base + 0x70, 14);
- clks[IMX6SX_CLK_IPMUX1] = imx_clk_gate2("ipmux1", "ahb", base + 0x70, 16);
- clks[IMX6SX_CLK_IPMUX2] = imx_clk_gate2("ipmux2", "ahb", base + 0x70, 18);
- clks[IMX6SX_CLK_IPMUX3] = imx_clk_gate2("ipmux3", "ahb", base + 0x70, 20);
- clks[IMX6SX_CLK_TZASC1] = imx_clk_gate2("tzasc1", "mmdc_podf", base + 0x70, 22);
+ clks[IMX6SX_CLK_IPMUX1] = imx_clk_gate2_flags("ipmux1", "ahb", base + 0x70, 16, CLK_IS_CRITICAL);
+ clks[IMX6SX_CLK_IPMUX2] = imx_clk_gate2_flags("ipmux2", "ahb", base + 0x70, 18, CLK_IS_CRITICAL);
+ clks[IMX6SX_CLK_IPMUX3] = imx_clk_gate2_flags("ipmux3", "ahb", base + 0x70, 20, CLK_IS_CRITICAL);
+ clks[IMX6SX_CLK_TZASC1] = imx_clk_gate2_flags("tzasc1", "mmdc_podf", base + 0x70, 22, CLK_IS_CRITICAL);
clks[IMX6SX_CLK_LCDIF_APB] = imx_clk_gate2("lcdif_apb", "display_podf", base + 0x70, 28);
clks[IMX6SX_CLK_PXP_AXI] = imx_clk_gate2("pxp_axi", "display_podf", base + 0x70, 30);
@@ -437,15 +428,15 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clks[IMX6SX_CLK_LDB_DI0] = imx_clk_gate2("ldb_di0", "ldb_di0_div_sel", base + 0x74, 12);
clks[IMX6SX_CLK_QSPI1] = imx_clk_gate2("qspi1", "qspi1_podf", base + 0x74, 14);
clks[IMX6SX_CLK_MLB] = imx_clk_gate2("mlb", "ahb", base + 0x74, 18);
- clks[IMX6SX_CLK_MMDC_P0_FAST] = imx_clk_gate2("mmdc_p0_fast", "mmdc_podf", base + 0x74, 20);
- clks[IMX6SX_CLK_MMDC_P0_IPG] = imx_clk_gate2("mmdc_p0_ipg", "ipg", base + 0x74, 24);
- clks[IMX6SX_CLK_OCRAM] = imx_clk_gate2("ocram", "ocram_podf", base + 0x74, 28);
+ clks[IMX6SX_CLK_MMDC_P0_FAST] = imx_clk_gate2_flags("mmdc_p0_fast", "mmdc_podf", base + 0x74, 20, CLK_IS_CRITICAL);
+ clks[IMX6SX_CLK_MMDC_P0_IPG] = imx_clk_gate2_flags("mmdc_p0_ipg", "ipg", base + 0x74, 24, CLK_IS_CRITICAL);
+ clks[IMX6SX_CLK_OCRAM] = imx_clk_gate2_flags("ocram", "ocram_podf", base + 0x74, 28, CLK_IS_CRITICAL);
/* CCGR4 */
clks[IMX6SX_CLK_PCIE_AXI] = imx_clk_gate2("pcie_axi", "display_podf", base + 0x78, 0);
clks[IMX6SX_CLK_QSPI2] = imx_clk_gate2("qspi2", "qspi2_podf", base + 0x78, 10);
clks[IMX6SX_CLK_PER1_BCH] = imx_clk_gate2("per1_bch", "usdhc3", base + 0x78, 12);
- clks[IMX6SX_CLK_PER2_MAIN] = imx_clk_gate2("per2_main", "ahb", base + 0x78, 14);
+ clks[IMX6SX_CLK_PER2_MAIN] = imx_clk_gate2_flags("per2_main", "ahb", base + 0x78, 14, CLK_IS_CRITICAL);
clks[IMX6SX_CLK_PWM1] = imx_clk_gate2("pwm1", "perclk", base + 0x78, 16);
clks[IMX6SX_CLK_PWM2] = imx_clk_gate2("pwm2", "perclk", base + 0x78, 18);
clks[IMX6SX_CLK_PWM3] = imx_clk_gate2("pwm3", "perclk", base + 0x78, 20);
@@ -456,7 +447,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clks[IMX6SX_CLK_GPMI_APB] = imx_clk_gate2("gpmi_apb", "usdhc3", base + 0x78, 30);
/* CCGR5 */
- clks[IMX6SX_CLK_ROM] = imx_clk_gate2("rom", "ahb", base + 0x7c, 0);
+ clks[IMX6SX_CLK_ROM] = imx_clk_gate2_flags("rom", "ahb", base + 0x7c, 0, CLK_IS_CRITICAL);
clks[IMX6SX_CLK_SDMA] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6);
clks[IMX6SX_CLK_SPBA] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12);
clks[IMX6SX_CLK_AUDIO] = imx_clk_gate2_shared("audio", "audio_podf", base + 0x7c, 14, &share_count_audio);
@@ -502,9 +493,6 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clk_data.clk_num = ARRAY_SIZE(clks);
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
- for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
- clk_prepare_enable(clks[clks_init_on[i]]);
-
if (IS_ENABLED(CONFIG_USB_MXS_PHY)) {
clk_prepare_enable(clks[IMX6SX_CLK_USBPHY1_GATE]);
clk_prepare_enable(clks[IMX6SX_CLK_USBPHY2_GATE]);
diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c
index 27217a7ea17e..881b772c4ac9 100644
--- a/drivers/clk/imx/clk-imx7d.c
+++ b/drivers/clk/imx/clk-imx7d.c
@@ -797,6 +797,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
clks[IMX7D_DRAM_ALT_ROOT_CLK] = imx_clk_gate4("dram_alt_root_clk", "dram_alt_post_div", base + 0x4130, 0);
clks[IMX7D_OCOTP_CLK] = imx_clk_gate4("ocotp_clk", "ipg_root_clk", base + 0x4230, 0);
clks[IMX7D_SNVS_CLK] = imx_clk_gate4("snvs_clk", "ipg_root_clk", base + 0x4250, 0);
+ clks[IMX7D_MU_ROOT_CLK] = imx_clk_gate4("mu_root_clk", "ipg_root_clk", base + 0x4270, 0);
clks[IMX7D_CAAM_CLK] = imx_clk_gate4("caam_clk", "ipg_root_clk", base + 0x4240, 0);
clks[IMX7D_USB_HSIC_ROOT_CLK] = imx_clk_gate4("usb_hsic_root_clk", "usb_hsic_post_div", base + 0x4690, 0);
clks[IMX7D_SDMA_CORE_CLK] = imx_clk_gate4("sdma_root_clk", "ahb_root_clk", base + 0x4480, 0);