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-rw-r--r--drivers/clk/imx/clk-imx6sx.c14
-rw-r--r--drivers/clk/imx/clk-imx8-acm.c17
-rw-r--r--drivers/clk/imx/clk-imx8dxl-rsrc.c3
-rw-r--r--drivers/clk/imx/clk-imx8qm-rsrc.c5
-rw-r--r--drivers/clk/imx/clk-imx8qxp-lpcg.h1
-rw-r--r--drivers/clk/imx/clk-imx8qxp-rsrc.c4
-rw-r--r--drivers/clk/imx/clk-imx8qxp.c35
-rw-r--r--drivers/clk/imx/clk-scu.c22
8 files changed, 75 insertions, 26 deletions
diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c
index 3f1502933e..69f8f6f9ca 100644
--- a/drivers/clk/imx/clk-imx6sx.c
+++ b/drivers/clk/imx/clk-imx6sx.c
@@ -121,6 +121,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
void __iomem *base;
+ bool lcdif1_assigned_clk;
clk_hw_data = kzalloc(struct_size(clk_hw_data, hws,
IMX6SX_CLK_CLK_END), GFP_KERNEL);
@@ -498,9 +499,16 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clk_set_parent(hws[IMX6SX_CLK_EIM_SLOW_SEL]->clk, hws[IMX6SX_CLK_PLL2_PFD2]->clk);
clk_set_rate(hws[IMX6SX_CLK_EIM_SLOW]->clk, 132000000);
- /* set parent clock for LCDIF1 pixel clock */
- clk_set_parent(hws[IMX6SX_CLK_LCDIF1_PRE_SEL]->clk, hws[IMX6SX_CLK_PLL5_VIDEO_DIV]->clk);
- clk_set_parent(hws[IMX6SX_CLK_LCDIF1_SEL]->clk, hws[IMX6SX_CLK_LCDIF1_PODF]->clk);
+ np = of_find_node_by_path("/soc/bus@2200000/spba-bus@2240000/lcdif@2220000");
+ lcdif1_assigned_clk = of_find_property(np, "assigned-clock-parents", NULL);
+
+ /* Set parent clock for LCDIF1 pixel clock if not done via devicetree */
+ if (!lcdif1_assigned_clk) {
+ clk_set_parent(hws[IMX6SX_CLK_LCDIF1_PRE_SEL]->clk,
+ hws[IMX6SX_CLK_PLL5_VIDEO_DIV]->clk);
+ clk_set_parent(hws[IMX6SX_CLK_LCDIF1_SEL]->clk,
+ hws[IMX6SX_CLK_LCDIF1_PODF]->clk);
+ }
/* Set the parent clks of PCIe lvds1 and pcie_axi to be pcie ref, axi */
if (clk_set_parent(hws[IMX6SX_CLK_LVDS1_SEL]->clk, hws[IMX6SX_CLK_PCIE_REF_125M]->clk))
diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
index 1c95ae905e..f68877eef8 100644
--- a/drivers/clk/imx/clk-imx8-acm.c
+++ b/drivers/clk/imx/clk-imx8-acm.c
@@ -77,7 +77,7 @@ struct imx8_acm_priv {
static const struct clk_parent_data imx8qm_aud_clk_sels[] = {
{ .fw_name = "aud_rec_clk0_lpcg_clk" },
{ .fw_name = "aud_rec_clk1_lpcg_clk" },
- { .fw_name = "mlb_clk" },
+ { .fw_name = "dummy" },
{ .fw_name = "hdmi_rx_mclk" },
{ .fw_name = "ext_aud_mclk0" },
{ .fw_name = "ext_aud_mclk1" },
@@ -103,7 +103,7 @@ static const struct clk_parent_data imx8qm_aud_clk_sels[] = {
static const struct clk_parent_data imx8qm_mclk_out_sels[] = {
{ .fw_name = "aud_rec_clk0_lpcg_clk" },
{ .fw_name = "aud_rec_clk1_lpcg_clk" },
- { .fw_name = "mlb_clk" },
+ { .fw_name = "dummy" },
{ .fw_name = "hdmi_rx_mclk" },
{ .fw_name = "spdif0_rx" },
{ .fw_name = "spdif1_rx" },
@@ -122,7 +122,7 @@ static const struct clk_parent_data imx8qm_asrc_mux_clk_sels[] = {
{ .fw_name = "sai4_rx_bclk" },
{ .fw_name = "sai5_tx_bclk" },
{ .index = -1 },
- { .fw_name = "mlb_clk" },
+ { .fw_name = "dummy" },
};
@@ -310,20 +310,18 @@ detach_pm:
* @dev: deivice pointer
* @dev_pm: multi power domain for device
*/
-static int clk_imx_acm_detach_pm_domains(struct device *dev,
- struct clk_imx_acm_pm_domains *dev_pm)
+static void clk_imx_acm_detach_pm_domains(struct device *dev,
+ struct clk_imx_acm_pm_domains *dev_pm)
{
int i;
if (dev_pm->num_domains <= 1)
- return 0;
+ return;
for (i = 0; i < dev_pm->num_domains; i++) {
device_link_del(dev_pm->pd_dev_link[i]);
dev_pm_domain_detach(dev_pm->pd_dev[i], false);
}
-
- return 0;
}
static int imx8_acm_clk_probe(struct platform_device *pdev)
@@ -374,12 +372,11 @@ static int imx8_acm_clk_probe(struct platform_device *pdev)
0, NULL, NULL);
if (IS_ERR(hws[sels[i].clkid])) {
ret = PTR_ERR(hws[sels[i].clkid]);
+ imx_check_clk_hws(hws, IMX_ADMA_ACM_CLK_END);
goto err_clk_register;
}
}
- imx_check_clk_hws(hws, IMX_ADMA_ACM_CLK_END);
-
ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_hw_data);
if (ret < 0) {
dev_err(dev, "failed to register hws for ACM\n");
diff --git a/drivers/clk/imx/clk-imx8dxl-rsrc.c b/drivers/clk/imx/clk-imx8dxl-rsrc.c
index 69b7aa34ff..0f940335d8 100644
--- a/drivers/clk/imx/clk-imx8dxl-rsrc.c
+++ b/drivers/clk/imx/clk-imx8dxl-rsrc.c
@@ -47,11 +47,10 @@ static u32 imx8dxl_clk_scu_rsrc_table[] = {
IMX_SC_R_SDHC_2,
IMX_SC_R_ENET_0,
IMX_SC_R_ENET_1,
- IMX_SC_R_MLB_0,
IMX_SC_R_USB_1,
IMX_SC_R_NAND,
- IMX_SC_R_M4_0_I2C,
IMX_SC_R_M4_0_UART,
+ IMX_SC_R_M4_0_I2C,
IMX_SC_R_ELCDIF_PLL,
IMX_SC_R_AUDIO_PLL_0,
IMX_SC_R_AUDIO_PLL_1,
diff --git a/drivers/clk/imx/clk-imx8qm-rsrc.c b/drivers/clk/imx/clk-imx8qm-rsrc.c
index 87e0b6ac02..dadfdd9a45 100644
--- a/drivers/clk/imx/clk-imx8qm-rsrc.c
+++ b/drivers/clk/imx/clk-imx8qm-rsrc.c
@@ -43,6 +43,8 @@ static const u32 imx8qm_clk_scu_rsrc_table[] = {
IMX_SC_R_FTM_0,
IMX_SC_R_FTM_1,
IMX_SC_R_CAN_0,
+ IMX_SC_R_CAN_1,
+ IMX_SC_R_CAN_2,
IMX_SC_R_GPU_0_PID0,
IMX_SC_R_GPU_1_PID0,
IMX_SC_R_PWM_0,
@@ -65,7 +67,6 @@ static const u32 imx8qm_clk_scu_rsrc_table[] = {
IMX_SC_R_SDHC_2,
IMX_SC_R_ENET_0,
IMX_SC_R_ENET_1,
- IMX_SC_R_MLB_0,
IMX_SC_R_USB_2,
IMX_SC_R_NAND,
IMX_SC_R_LVDS_0,
@@ -79,8 +80,6 @@ static const u32 imx8qm_clk_scu_rsrc_table[] = {
IMX_SC_R_M4_0_I2C,
IMX_SC_R_M4_1_I2C,
IMX_SC_R_AUDIO_PLL_0,
- IMX_SC_R_VPU_UART,
- IMX_SC_R_VPUCORE,
IMX_SC_R_MIPI_0,
IMX_SC_R_MIPI_0_PWM_0,
IMX_SC_R_MIPI_0_I2C_0,
diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.h b/drivers/clk/imx/clk-imx8qxp-lpcg.h
index 2a37ce57c5..ebca8fa926 100644
--- a/drivers/clk/imx/clk-imx8qxp-lpcg.h
+++ b/drivers/clk/imx/clk-imx8qxp-lpcg.h
@@ -42,7 +42,6 @@
#define CONN_ENET_0_LPCG 0x30000
#define CONN_ENET_1_LPCG 0x40000
#define CONN_DTCP_LPCG 0x50000
-#define CONN_MLB_LPCG 0x60000
#define CONN_USB_2_LPCG 0x70000
#define CONN_USB_3_LPCG 0x80000
#define CONN_NAND_LPCG 0x90000
diff --git a/drivers/clk/imx/clk-imx8qxp-rsrc.c b/drivers/clk/imx/clk-imx8qxp-rsrc.c
index df09f2a799..585c425524 100644
--- a/drivers/clk/imx/clk-imx8qxp-rsrc.c
+++ b/drivers/clk/imx/clk-imx8qxp-rsrc.c
@@ -54,15 +54,17 @@ static const u32 imx8qxp_clk_scu_rsrc_table[] = {
IMX_SC_R_SDHC_2,
IMX_SC_R_ENET_0,
IMX_SC_R_ENET_1,
- IMX_SC_R_MLB_0,
IMX_SC_R_USB_2,
IMX_SC_R_NAND,
IMX_SC_R_LVDS_0,
IMX_SC_R_LVDS_1,
+ IMX_SC_R_M4_0_UART,
IMX_SC_R_M4_0_I2C,
IMX_SC_R_ELCDIF_PLL,
IMX_SC_R_AUDIO_PLL_0,
IMX_SC_R_PI_0,
+ IMX_SC_R_PI_0_PWM_0,
+ IMX_SC_R_PI_0_I2C_0,
IMX_SC_R_PI_0_PLL,
IMX_SC_R_MIPI_0,
IMX_SC_R_MIPI_0_PWM_0,
diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
index 4020aa4b79..7d8883916c 100644
--- a/drivers/clk/imx/clk-imx8qxp.c
+++ b/drivers/clk/imx/clk-imx8qxp.c
@@ -66,6 +66,22 @@ static const char * const lcd_pxl_sels[] = {
"lcd_pxl_bypass_div_clk",
};
+static const char *const lvds0_sels[] = {
+ "clk_dummy",
+ "clk_dummy",
+ "clk_dummy",
+ "clk_dummy",
+ "mipi0_lvds_bypass_clk",
+};
+
+static const char *const lvds1_sels[] = {
+ "clk_dummy",
+ "clk_dummy",
+ "clk_dummy",
+ "clk_dummy",
+ "mipi1_lvds_bypass_clk",
+};
+
static const char * const mipi_sels[] = {
"clk_dummy",
"clk_dummy",
@@ -90,6 +106,11 @@ static const char * const pi_pll0_sels[] = {
"clk_dummy",
};
+static inline bool clk_on_imx8dxl(struct device_node *node)
+{
+ return of_device_is_compatible(node, "fsl,imx8dxl-clk");
+}
+
static int imx8qxp_clk_probe(struct platform_device *pdev)
{
struct device_node *ccm_node = pdev->dev.of_node;
@@ -169,13 +190,15 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)
imx_clk_mux_gpr_scu("enet0_rgmii_txc_sel", enet0_rgmii_txc_sels, ARRAY_SIZE(enet0_rgmii_txc_sels), IMX_SC_R_ENET_0, IMX_SC_C_TXCLK);
imx_clk_scu("enet0_bypass_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_BYPASS);
imx_clk_gate_gpr_scu("enet0_ref_50_clk", "clk_dummy", IMX_SC_R_ENET_0, IMX_SC_C_DISABLE_50, true);
- imx_clk_scu("enet0_rgmii_rx_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_MISC0);
+ if (!clk_on_imx8dxl(ccm_node)) {
+ imx_clk_scu("enet0_rgmii_rx_clk", IMX_SC_R_ENET_0, IMX_SC_PM_CLK_MISC0);
+ imx_clk_scu("enet1_rgmii_rx_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_MISC0);
+ }
imx_clk_scu("enet1_root_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_PER);
imx_clk_divider_gpr_scu("enet1_ref_div", "enet1_root_clk", IMX_SC_R_ENET_1, IMX_SC_C_CLKDIV);
imx_clk_mux_gpr_scu("enet1_rgmii_txc_sel", enet1_rgmii_txc_sels, ARRAY_SIZE(enet1_rgmii_txc_sels), IMX_SC_R_ENET_1, IMX_SC_C_TXCLK);
imx_clk_scu("enet1_bypass_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_BYPASS);
imx_clk_gate_gpr_scu("enet1_ref_50_clk", "clk_dummy", IMX_SC_R_ENET_1, IMX_SC_C_DISABLE_50, true);
- imx_clk_scu("enet1_rgmii_rx_clk", IMX_SC_R_ENET_1, IMX_SC_PM_CLK_MISC0);
imx_clk_scu("gpmi_io_clk", IMX_SC_R_NAND, IMX_SC_PM_CLK_MST_BUS);
imx_clk_scu("gpmi_bch_clk", IMX_SC_R_NAND, IMX_SC_PM_CLK_PER);
imx_clk_scu("usb3_aclk_div", IMX_SC_R_USB_2, IMX_SC_PM_CLK_PER);
@@ -200,9 +223,9 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)
/* MIPI-LVDS SS */
imx_clk_scu("mipi0_bypass_clk", IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_BYPASS);
imx_clk_scu("mipi0_pixel_clk", IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_PER);
- imx_clk_scu("mipi0_lvds_pixel_clk", IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_MISC2);
imx_clk_scu("mipi0_lvds_bypass_clk", IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_BYPASS);
- imx_clk_scu("mipi0_lvds_phy_clk", IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_MISC3);
+ imx_clk_scu2("mipi0_lvds_pixel_clk", lvds0_sels, ARRAY_SIZE(lvds0_sels), IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_MISC2);
+ imx_clk_scu2("mipi0_lvds_phy_clk", lvds0_sels, ARRAY_SIZE(lvds0_sels), IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_MISC3);
imx_clk_scu2("mipi0_dsi_tx_esc_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_MST_BUS);
imx_clk_scu2("mipi0_dsi_rx_esc_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_SLV_BUS);
imx_clk_scu2("mipi0_dsi_phy_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_PHY);
@@ -212,9 +235,9 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)
imx_clk_scu("mipi1_bypass_clk", IMX_SC_R_MIPI_1, IMX_SC_PM_CLK_BYPASS);
imx_clk_scu("mipi1_pixel_clk", IMX_SC_R_MIPI_1, IMX_SC_PM_CLK_PER);
- imx_clk_scu("mipi1_lvds_pixel_clk", IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_MISC2);
imx_clk_scu("mipi1_lvds_bypass_clk", IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_BYPASS);
- imx_clk_scu("mipi1_lvds_phy_clk", IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_MISC3);
+ imx_clk_scu2("mipi1_lvds_pixel_clk", lvds1_sels, ARRAY_SIZE(lvds1_sels), IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_MISC2);
+ imx_clk_scu2("mipi1_lvds_phy_clk", lvds1_sels, ARRAY_SIZE(lvds1_sels), IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_MISC3);
imx_clk_scu2("mipi1_dsi_tx_esc_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_1, IMX_SC_PM_CLK_MST_BUS);
imx_clk_scu2("mipi1_dsi_rx_esc_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_1, IMX_SC_PM_CLK_SLV_BUS);
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index cd83c52e99..e48a904c00 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -10,10 +10,12 @@
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/of.h>
+#include <linux/firmware/imx/svc/rm.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
+#include <xen/xen.h>
#include "clk-scu.h"
@@ -670,6 +672,18 @@ static int imx_clk_scu_attach_pd(struct device *dev, u32 rsrc_id)
return of_genpd_add_device(&genpdspec, dev);
}
+static bool imx_clk_is_resource_owned(u32 rsrc)
+{
+ /*
+ * A-core resources are special. SCFW reports they are not "owned" by
+ * current partition but linux can still adjust them for cpufreq.
+ */
+ if (rsrc == IMX_SC_R_A53 || rsrc == IMX_SC_R_A72 || rsrc == IMX_SC_R_A35)
+ return true;
+
+ return imx_sc_rm_is_resource_owned(ccm_ipc_handle, rsrc);
+}
+
struct clk_hw *imx_clk_scu_alloc_dev(const char *name,
const char * const *parents,
int num_parents, u32 rsrc_id, u8 clk_type)
@@ -687,6 +701,9 @@ struct clk_hw *imx_clk_scu_alloc_dev(const char *name,
if (!imx_scu_clk_is_valid(rsrc_id))
return ERR_PTR(-EINVAL);
+ if (!imx_clk_is_resource_owned(rsrc_id))
+ return NULL;
+
pdev = platform_device_alloc(name, PLATFORM_DEVID_NONE);
if (!pdev) {
pr_err("%s: failed to allocate scu clk dev rsrc %d type %d\n",
@@ -869,6 +886,11 @@ struct clk_hw *__imx_clk_gpr_scu(const char *name, const char * const *parent_na
return ERR_PTR(-EINVAL);
}
+ if (!imx_clk_is_resource_owned(rsrc_id)) {
+ kfree(clk_node);
+ return NULL;
+ }
+
clk = kzalloc(sizeof(*clk), GFP_KERNEL);
if (!clk) {
kfree(clk_node);