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-rw-r--r--drivers/clk/imx/clk-imx8mp.c16
-rw-r--r--include/dt-bindings/clock/imx8mp-clock.h3
2 files changed, 14 insertions, 5 deletions
diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
index a6313cf4a30c..c6161a4af201 100644
--- a/drivers/clk/imx/clk-imx8mp.c
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -34,6 +34,8 @@ static const char * const imx8mp_a53_sels[] = {"osc_24m", "arm_pll_out", "sys_pl
"sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m",
"audio_pll1_out", "sys_pll3_out", };
+static const char * const imx8mp_a53_core_sels[] = {"arm_a53_div", "arm_pll_out", };
+
static const char * const imx8mp_m7_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll2_250m",
"vpu_pll_out", "sys_pll1_800m", "audio_pll1_out",
"video_pll1_out", "sys_pll3_out", };
@@ -554,6 +556,9 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
hws[IMX8MP_CLK_HSIO_AXI_DIV] = imx_clk_hw_divider2("hsio_axi_div", "hsio_axi_cg", ccm_base + 0x8380, 0, 3);
hws[IMX8MP_CLK_MEDIA_ISP_DIV] = imx_clk_hw_divider2("media_isp_div", "media_isp_cg", ccm_base + 0x8400, 0, 3);
+ /* CORE SEL */
+ hws[IMX8MP_CLK_A53_CORE] = imx_clk_hw_mux2_flags("arm_a53_core", ccm_base + 0x9880, 24, 1, imx8mp_a53_core_sels, ARRAY_SIZE(imx8mp_a53_core_sels), CLK_IS_CRITICAL);
+
hws[IMX8MP_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mp_main_axi_sels, ccm_base + 0x8800);
hws[IMX8MP_CLK_ENET_AXI] = imx8m_clk_hw_composite("enet_axi", imx8mp_enet_axi_sels, ccm_base + 0x8880);
hws[IMX8MP_CLK_NAND_USDHC_BUS] = imx8m_clk_hw_composite_critical("nand_usdhc_bus", imx8mp_nand_usdhc_sels, ccm_base + 0x8900);
@@ -724,11 +729,14 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
hws[IMX8MP_CLK_VPU_ROOT] = imx_clk_hw_gate4("vpu_root_clk", "vpu_bus", ccm_base + 0x4630, 0);
hws[IMX8MP_CLK_AUDIO_ROOT] = imx_clk_hw_gate4("audio_root_clk", "ipg_root", ccm_base + 0x4650, 0);
- hws[IMX8MP_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_div",
- hws[IMX8MP_CLK_A53_DIV]->clk,
- hws[IMX8MP_CLK_A53_SRC]->clk,
+ clk_hw_set_parent(hws[IMX8MP_CLK_A53_SRC], hws[IMX8MP_SYS_PLL1_800M]);
+ clk_hw_set_parent(hws[IMX8MP_CLK_A53_CORE], hws[IMX8MP_ARM_PLL_OUT]);
+
+ hws[IMX8MP_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_core",
+ hws[IMX8MP_CLK_A53_CORE]->clk,
+ hws[IMX8MP_CLK_A53_CORE]->clk,
hws[IMX8MP_ARM_PLL_OUT]->clk,
- hws[IMX8MP_SYS_PLL1_800M]->clk);
+ hws[IMX8MP_CLK_A53_DIV]->clk);
imx_check_clk_hws(hws, IMX8MP_CLK_END);
diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h
index 00d4d2288990..47ab082238b4 100644
--- a/include/dt-bindings/clock/imx8mp-clock.h
+++ b/include/dt-bindings/clock/imx8mp-clock.h
@@ -294,7 +294,8 @@
#define IMX8MP_CLK_DRAM_ALT_ROOT 285
#define IMX8MP_CLK_DRAM_CORE 286
#define IMX8MP_CLK_ARM 287
+#define IMX8MP_CLK_A53_CORE 288
-#define IMX8MP_CLK_END 288
+#define IMX8MP_CLK_END 289
#endif