[PATCH 09/16] clk: samsung: artpec-8: Add clock support for CMU_FSYS block
ksk4725 at coasia.com
ksk4725 at coasia.com
Wed Jul 9 17:20:39 PDT 2025
From: Hakyeong Kim <hgkim05 at coasia.com>
Add clock support for below CMU block in ARTPEC-8 SoC.
- CMU_FSYS
Signed-off-by: Varada Pavani <v.pavani at samsung.com>
Signed-off-by: Hakyeong Kim <hgkim05 at coasia.com>
---
drivers/clk/samsung/clk-artpec8.c | 134 ++++++++++++++++++++++++++++++
1 file changed, 134 insertions(+)
diff --git a/drivers/clk/samsung/clk-artpec8.c b/drivers/clk/samsung/clk-artpec8.c
index 15c90fe29308..7ccec4ff8f70 100644
--- a/drivers/clk/samsung/clk-artpec8.c
+++ b/drivers/clk/samsung/clk-artpec8.c
@@ -18,6 +18,7 @@
#define CMU_BUS_NR_CLK (DOUT_CLK_BUS_PCLK + 1)
#define CMU_CORE_NR_CLK (DOUT_CLK_CORE_PCLK + 1)
#define CMU_CPUCL_NR_CLK (DOUT_CLK_CPUCL_PCLKDBG + 1)
+#define CMU_FSYS_NR_CLK (DOUT_SCAN_CLK_FSYS_MMC + 1)
#define CMU_IMEM_NR_CLK (MOUT_IMEM_JPEG_USER + 1)
/* register offset definitions for cmu_cmu (0x12400000) */
@@ -620,6 +621,139 @@ static void __init artpec8_clk_cmu_cpucl_init(struct device_node *np)
CLK_OF_DECLARE(artpec8_clk_cmu_cpucl, "axis,artpec8-cmu-cpucl",
artpec8_clk_cmu_cpucl_init);
+/* Register Offset definitions for CMU_FSYS (0x16c10000) */
+#define PLL_LOCKTIME_PLL_FSYS 0x0004
+#define PLL_CON0_MUX_CLK_FSYS_BUS_USER 0x0120
+#define PLL_CON0_MUX_CLK_FSYS_MMC_USER 0x0140
+#define PLL_CON0_MUX_CLK_FSYS_SCAN0_USER 0x0160
+#define PLL_CON0_MUX_CLK_FSYS_SCAN1_USER 0x0180
+#define PLL_CON0_PLL_FSYS 0x01c0
+#define DIV_CLK_FSYS_ADC 0x1804
+#define DIV_CLK_FSYS_BUS300 0x1808
+#define DIV_CLK_FSYS_BUS_QSPI 0x180c
+#define DIV_CLK_FSYS_EQOS_25 0x1810
+#define DIV_CLK_FSYS_EQOS_2P5 0x1814
+#define DIV_CLK_FSYS_EQOS_500 0x1818
+#define DIV_CLK_FSYS_EQOS_INT125 0x181c
+#define DIV_CLK_FSYS_MMC_CARD0 0x1820
+#define DIV_CLK_FSYS_MMC_CARD1 0x1824
+#define DIV_CLK_FSYS_OTP_MEM 0x1828
+#define DIV_CLK_FSYS_PCIE_PHY_REFCLK_SYSPLL 0x182c
+#define DIV_CLK_FSYS_QSPI 0x1830
+#define DIV_CLK_FSYS_SCLK_UART 0x1834
+#define DIV_CLK_FSYS_SFMC_NAND 0x1838
+#define DIV_SCAN_CLK_FSYS_125 0x183c
+#define DIV_SCAN_CLK_FSYS_MMC 0x1840
+#define DIV_SCAN_CLK_FSYS_PCIE_PIPE 0x1844
+
+static const unsigned long cmu_fsys_clk_regs[] __initconst = {
+ PLL_LOCKTIME_PLL_FSYS,
+ PLL_CON0_MUX_CLK_FSYS_BUS_USER,
+ PLL_CON0_MUX_CLK_FSYS_MMC_USER,
+ PLL_CON0_MUX_CLK_FSYS_SCAN0_USER,
+ PLL_CON0_MUX_CLK_FSYS_SCAN1_USER,
+ PLL_CON0_PLL_FSYS,
+ DIV_CLK_FSYS_ADC,
+ DIV_CLK_FSYS_BUS300,
+ DIV_CLK_FSYS_BUS_QSPI,
+ DIV_CLK_FSYS_EQOS_25,
+ DIV_CLK_FSYS_EQOS_2P5,
+ DIV_CLK_FSYS_EQOS_500,
+ DIV_CLK_FSYS_EQOS_INT125,
+ DIV_CLK_FSYS_MMC_CARD0,
+ DIV_CLK_FSYS_MMC_CARD1,
+ DIV_CLK_FSYS_OTP_MEM,
+ DIV_CLK_FSYS_PCIE_PHY_REFCLK_SYSPLL,
+ DIV_CLK_FSYS_QSPI,
+ DIV_CLK_FSYS_SCLK_UART,
+ DIV_CLK_FSYS_SFMC_NAND,
+ DIV_SCAN_CLK_FSYS_125,
+ DIV_SCAN_CLK_FSYS_MMC,
+ DIV_SCAN_CLK_FSYS_PCIE_PIPE,
+};
+
+static const struct samsung_pll_clock cmu_fsys_pll_clks[] __initconst = {
+ PLL(pll_1017x, PLL_FSYS, "fout_pll_fsys", "fin_pll",
+ PLL_LOCKTIME_PLL_FSYS, PLL_CON0_PLL_FSYS, NULL),
+};
+
+PNAME(mout_fsys_scan0_user_p) = { "fin_pll", "dout_clkcmu_fsys_scan0" };
+PNAME(mout_fsys_scan1_user_p) = { "fin_pll", "dout_clkcmu_fsys_scan1" };
+PNAME(mout_fsys_bus_user_p) = { "fin_pll", "dout_clkcmu_fsys_bus" };
+PNAME(mout_fsys_mmc_user_p) = { "fin_pll", "dout_clkcmu_fsys_ip" };
+PNAME(mout_fsys_pll_fsys_p) = { "fin_pll", "fout_pll_fsys" };
+
+static const struct samsung_mux_clock cmu_fsys_mux_clks[] __initconst = {
+ MUX(0, "mout_clk_pll_fsys", mout_fsys_pll_fsys_p, PLL_CON0_PLL_FSYS, 4, 1),
+ MUX(MOUT_FSYS_SCAN0_USER, "mout_fsys_scan0_user",
+ mout_fsys_scan0_user_p, PLL_CON0_MUX_CLK_FSYS_SCAN0_USER, 4, 1),
+ MUX(MOUT_FSYS_SCAN1_USER, "mout_fsys_scan1_user",
+ mout_fsys_scan1_user_p, PLL_CON0_MUX_CLK_FSYS_SCAN1_USER, 4, 1),
+ MUX(MOUT_FSYS_BUS_USER, "mout_fsys_bus_user",
+ mout_fsys_bus_user_p, PLL_CON0_MUX_CLK_FSYS_BUS_USER, 4, 1),
+ MUX(MOUT_FSYS_MMC_USER, "mout_fsys_mmc_user",
+ mout_fsys_mmc_user_p, PLL_CON0_MUX_CLK_FSYS_MMC_USER, 4, 1),
+};
+
+static const struct samsung_div_clock cmu_fsys_div_clks[] __initconst = {
+ DIV(DOUT_FSYS_PCIE_PIPE, "dout_fsys_pcie_pipe", "mout_clk_pll_fsys",
+ DIV_SCAN_CLK_FSYS_PCIE_PIPE, 0, 4),
+ DIV(DOUT_FSYS_ADC, "dout_fsys_adc", "mout_clk_pll_fsys",
+ DIV_CLK_FSYS_ADC, 0, 7),
+ DIV(DOUT_FSYS_PCIE_PHY_REFCLK_SYSPLL,
+ "dout_fsys_pcie_phy_refclk_syspll", "mout_clk_pll_fsys",
+ DIV_CLK_FSYS_PCIE_PHY_REFCLK_SYSPLL, 0, 8),
+ DIV(DOUT_FSYS_QSPI, "dout_fsys_qspi", "mout_fsys_mmc_user",
+ DIV_CLK_FSYS_QSPI, 0, 4),
+ DIV(DOUT_FSYS_EQOS_INT125, "dout_fsys_eqos_int125", "mout_clk_pll_fsys",
+ DIV_CLK_FSYS_EQOS_INT125, 0, 4),
+ DIV(DOUT_FSYS_OTP_MEM, "dout_fsys_otp_mem", "fin_pll",
+ DIV_CLK_FSYS_OTP_MEM, 0, 9),
+ DIV(DOUT_FSYS_SCLK_UART, "dout_fsys_sclk_uart", "mout_clk_pll_fsys",
+ DIV_CLK_FSYS_SCLK_UART, 0, 10),
+ DIV(DOUT_FSYS_SFMC_NAND, "dout_fsys_sfmc_nand", "mout_fsys_mmc_user",
+ DIV_CLK_FSYS_SFMC_NAND, 0, 4),
+ DIV(DOUT_SCAN_CLK_FSYS_125,
+ "dout_scan_clk_fsys_125", "mout_clk_pll_fsys",
+ DIV_SCAN_CLK_FSYS_125, 0, 4),
+ DIV(DOUT_SCAN_CLK_FSYS_MMC, "dout_scan_clk_fsys_mmc", "fout_pll_fsys",
+ DIV_SCAN_CLK_FSYS_MMC, 0, 4),
+ DIV(DOUT_FSYS_EQOS_25, "dout_fsys_eqos_25", "dout_fsys_eqos_int125",
+ DIV_CLK_FSYS_EQOS_25, 0, 4),
+ DIV_F(DOUT_FSYS_EQOS_2p5, "dout_fsys_eqos_2p5", "dout_fsys_eqos_25",
+ DIV_CLK_FSYS_EQOS_2P5, 0, 4, CLK_SET_RATE_PARENT, 0),
+ DIV(0, "dout_fsys_eqos_500", "mout_clk_pll_fsys",
+ DIV_CLK_FSYS_EQOS_500, 0, 4),
+ DIV(DOUT_FSYS_BUS300, "dout_fsys_bus300", "mout_fsys_bus_user",
+ DIV_CLK_FSYS_BUS300, 0, 4),
+ DIV(DOUT_FSYS_BUS_QSPI, "dout_fsys_bus_qspi", "mout_fsys_mmc_user",
+ DIV_CLK_FSYS_BUS_QSPI, 0, 4),
+ DIV(DOUT_FSYS_MMC_CARD0, "dout_fsys_mmc_card0", "mout_fsys_mmc_user",
+ DIV_CLK_FSYS_MMC_CARD0, 0, 10),
+ DIV(DOUT_FSYS_MMC_CARD1, "dout_fsys_mmc_card1", "mout_fsys_mmc_user",
+ DIV_CLK_FSYS_MMC_CARD1, 0, 10),
+};
+
+static const struct samsung_cmu_info cmu_fsys_info __initconst = {
+ .pll_clks = cmu_fsys_pll_clks,
+ .nr_pll_clks = ARRAY_SIZE(cmu_fsys_pll_clks),
+ .mux_clks = cmu_fsys_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(cmu_fsys_mux_clks),
+ .div_clks = cmu_fsys_div_clks,
+ .nr_div_clks = ARRAY_SIZE(cmu_fsys_div_clks),
+ .nr_clk_ids = CMU_FSYS_NR_CLK,
+ .clk_regs = cmu_fsys_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(cmu_fsys_clk_regs),
+};
+
+static void __init artpec8_clk_cmu_fsys_init(struct device_node *np)
+{
+ samsung_cmu_register_one(np, &cmu_fsys_info);
+}
+
+CLK_OF_DECLARE(artpec8_clk_cmu_fsys, "axis,artpec8-cmu-fsys",
+ artpec8_clk_cmu_fsys_init);
+
/* Register Offset definitions for CMU_IMEM (0x10010000) */
#define PLL_CON0_MUX_CLK_IMEM_ACLK_USER 0x0100
#define PLL_CON0_MUX_CLK_IMEM_JPEG_USER 0x0120
--
2.34.1
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