Adds cmu_mfc clock related code, these clocks are
required for MFC IP.
Cc: linux-fsd@xxxxxxxxx
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
Signed-off-by: Smitha T Murthy <smitha.t@xxxxxxxxxxx>
Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
---
drivers/clk/samsung/clk-fsd.c | 121 ++++++++++++++++++++++++++++++++++
1 file changed, 121 insertions(+)
diff --git a/drivers/clk/samsung/clk-fsd.c b/drivers/clk/samsung/clk-fsd.c
index f15b5b6b8eca..f9c4b4c5e0cb 100644
--- a/drivers/clk/samsung/clk-fsd.c
+++ b/drivers/clk/samsung/clk-fsd.c
@@ -1427,6 +1427,124 @@ static void __init fsd_clk_imem_init(struct device_node *np)
CLK_OF_DECLARE(fsd_clk_imem, "tesla,fsd-clock-imem", fsd_clk_imem_init);
+/* Register Offset definitions for CMU_MFC (0x12810000) */
+#define PLL_LOCKTIME_PLL_MFC 0x0
+#define PLL_CON0_PLL_MFC 0x100
+#define MUX_MFC_BUSD 0x1000
+#define MUX_MFC_BUSP 0x1008
+#define DIV_MFC_BUSD_DIV4 0x1800
+#define GAT_MFC_CMU_MFC_IPCLKPORT_PCLK 0x2000
+#define GAT_MFC_AS_P_MFC_IPCLKPORT_PCLKM 0x2004
+#define GAT_MFC_AS_P_MFC_IPCLKPORT_PCLKS 0x2008
+#define GAT_MFC_AXI2APB_MFC_IPCLKPORT_ACLK 0x200c
+#define GAT_MFC_MFC_IPCLKPORT_ACLK 0x2010
+#define GAT_MFC_NS_BRDG_MFC_IPCLKPORT_CLK__PMFC__CLK_MFC_D 0x2018
+#define GAT_MFC_NS_BRDG_MFC_IPCLKPORT_CLK__PMFC__CLK_MFC_P 0x201c
+#define GAT_MFC_PPMU_MFCD0_IPCLKPORT_ACLK 0x2028
+#define GAT_MFC_PPMU_MFCD0_IPCLKPORT_PCLK 0x202c
+#define GAT_MFC_PPMU_MFCD1_IPCLKPORT_ACLK 0x2030
+#define GAT_MFC_PPMU_MFCD1_IPCLKPORT_PCLK 0x2034
+#define GAT_MFC_SYSREG_MFC_IPCLKPORT_PCLK 0x2038
+#define GAT_MFC_TBU_MFCD0_IPCLKPORT_CLK 0x203c
+#define GAT_MFC_TBU_MFCD1_IPCLKPORT_CLK 0x2040
+#define GAT_MFC_BUSD_DIV4_GATE 0x2044
+#define GAT_MFC_BUSD_GATE 0x2048
+
+static const unsigned long mfc_clk_regs[] __initconst = {
+ PLL_LOCKTIME_PLL_MFC,
+ PLL_CON0_PLL_MFC,
+ MUX_MFC_BUSD,
+ MUX_MFC_BUSP,
+ DIV_MFC_BUSD_DIV4,
+ GAT_MFC_CMU_MFC_IPCLKPORT_PCLK,
+ GAT_MFC_AS_P_MFC_IPCLKPORT_PCLKM,
+ GAT_MFC_AS_P_MFC_IPCLKPORT_PCLKS,
+ GAT_MFC_AXI2APB_MFC_IPCLKPORT_ACLK,
+ GAT_MFC_MFC_IPCLKPORT_ACLK,
+ GAT_MFC_NS_BRDG_MFC_IPCLKPORT_CLK__PMFC__CLK_MFC_D,
+ GAT_MFC_NS_BRDG_MFC_IPCLKPORT_CLK__PMFC__CLK_MFC_P,
+ GAT_MFC_PPMU_MFCD0_IPCLKPORT_ACLK,
+ GAT_MFC_PPMU_MFCD0_IPCLKPORT_PCLK,
+ GAT_MFC_PPMU_MFCD1_IPCLKPORT_ACLK,
+ GAT_MFC_PPMU_MFCD1_IPCLKPORT_PCLK,
+ GAT_MFC_SYSREG_MFC_IPCLKPORT_PCLK,
+ GAT_MFC_TBU_MFCD0_IPCLKPORT_CLK,
+ GAT_MFC_TBU_MFCD1_IPCLKPORT_CLK,
+ GAT_MFC_BUSD_DIV4_GATE,
+ GAT_MFC_BUSD_GATE,
+};
+
+static const struct samsung_pll_rate_table pll_mfc_rate_table[] __initconst = {
+ PLL_35XX_RATE(24 * MHZ, 666000000U, 111, 4, 0),
+};
+
+static const struct samsung_pll_clock mfc_pll_clks[] __initconst = {
+ PLL(pll_142xx, 0, "fout_pll_mfc", "fin_pll",
+ PLL_LOCKTIME_PLL_MFC, PLL_CON0_PLL_MFC, pll_mfc_rate_table),
+};
+
+PNAME(mout_mfc_pll_p) = { "fin_pll", "fout_pll_mfc" };
+PNAME(mout_mfc_busp_p) = { "fin_pll", "dout_mfc_busd_div4" };
+PNAME(mout_mfc_busd_p) = { "fin_pll", "mfc_busd_gate" };
+
+static const struct samsung_mux_clock mfc_mux_clks[] __initconst = {
+ MUX(0, "mout_mfc_pll", mout_mfc_pll_p, PLL_CON0_PLL_MFC, 4, 1),
+ MUX(0, "mout_mfc_busp", mout_mfc_busp_p, MUX_MFC_BUSP, 0, 1),
+ MUX(0, "mout_mfc_busd", mout_mfc_busd_p, MUX_MFC_BUSD, 0, 1),
+};
+
+static const struct samsung_div_clock mfc_div_clks[] __initconst = {
+ DIV(0, "dout_mfc_busd_div4", "mfc_busd_div4_gate", DIV_MFC_BUSD_DIV4, 0, 4),
+};
+
+static const struct samsung_gate_clock mfc_gate_clks[] __initconst = {
+ GATE(0, "mfc_cmu_mfc_ipclkport_pclk", "mout_mfc_busp",
+ GAT_MFC_CMU_MFC_IPCLKPORT_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_as_p_mfc_ipclkport_pclkm", "mout_mfc_busd",
+ GAT_MFC_AS_P_MFC_IPCLKPORT_PCLKM, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_as_p_mfc_ipclkport_pclks", "mout_mfc_busp",
+ GAT_MFC_AS_P_MFC_IPCLKPORT_PCLKS, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_axi2apb_mfc_ipclkport_aclk", "mout_mfc_busp",
+ GAT_MFC_AXI2APB_MFC_IPCLKPORT_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(MFC_MFC_IPCLKPORT_ACLK, "mfc_mfc_ipclkport_aclk", "mout_mfc_busd",
+ GAT_MFC_MFC_IPCLKPORT_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_ns_brdg_mfc_ipclkport_clk__pmfc__clk_mfc_d", "mout_mfc_busd",
+ GAT_MFC_NS_BRDG_MFC_IPCLKPORT_CLK__PMFC__CLK_MFC_D, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_ns_brdg_mfc_ipclkport_clk__pmfc__clk_mfc_p", "mout_mfc_busp",
+ GAT_MFC_NS_BRDG_MFC_IPCLKPORT_CLK__PMFC__CLK_MFC_P, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_ppmu_mfcd0_ipclkport_aclk", "mout_mfc_busd",
+ GAT_MFC_PPMU_MFCD0_IPCLKPORT_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_ppmu_mfcd0_ipclkport_pclk", "mout_mfc_busp",
+ GAT_MFC_PPMU_MFCD0_IPCLKPORT_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_ppmu_mfcd1_ipclkport_aclk", "mout_mfc_busd",
+ GAT_MFC_PPMU_MFCD1_IPCLKPORT_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_ppmu_mfcd1_ipclkport_pclk", "mout_mfc_busp",
+ GAT_MFC_PPMU_MFCD1_IPCLKPORT_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_sysreg_mfc_ipclkport_pclk", "mout_mfc_busp",
+ GAT_MFC_SYSREG_MFC_IPCLKPORT_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_tbu_mfcd0_ipclkport_clk", "mout_mfc_busd",
+ GAT_MFC_TBU_MFCD0_IPCLKPORT_CLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_tbu_mfcd1_ipclkport_clk", "mout_mfc_busd",
+ GAT_MFC_TBU_MFCD1_IPCLKPORT_CLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_busd_div4_gate", "mout_mfc_pll",
+ GAT_MFC_BUSD_DIV4_GATE, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "mfc_busd_gate", "mout_mfc_pll", GAT_MFC_BUSD_GATE, 21, CLK_IS_CRITICAL, 0),
+};
+
+static const struct samsung_cmu_info mfc_cmu_info __initconst = {
+ .pll_clks = mfc_pll_clks,
+ .nr_pll_clks = ARRAY_SIZE(mfc_pll_clks),
+ .mux_clks = mfc_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(mfc_mux_clks),
+ .div_clks = mfc_div_clks,
+ .nr_div_clks = ARRAY_SIZE(mfc_div_clks),
+ .gate_clks = mfc_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(mfc_gate_clks),
+ .nr_clk_ids = MFC_NR_CLK,
+ .clk_regs = mfc_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(mfc_clk_regs),
+};
+
/**
* fsd_cmu_probe - Probe function for FSD platform clocks
* @pdev: Pointer to platform device
@@ -1455,6 +1573,9 @@ static const struct of_device_id fsd_cmu_of_match[] = {
}, {
.compatible = "tesla,fsd-clock-fsys1",
.data = &fsys1_cmu_info,
+ }, {
+ .compatible = "tesla,fsd-clock-mfc",
+ .data = &mfc_cmu_info,
}, {
},
};
--
2.25.1
