diff mbox series

[v7,1/5] clk: samsung: exynosautov9: add dpum clock support

Message ID 20240820074514.3123767-2-sunyeal.hong@samsung.com
State New
Headers show
Series initial clock support for exynosauto v920 SoC | expand

Commit Message

Sunyeal Hong Aug. 20, 2024, 7:45 a.m. UTC 
From: Kwanghoon Son <k.son@samsung.com>

Add dpum clock for exynosautov9.

Signed-off-by: Kwanghoon Son <k.son@samsung.com>
Link: https://lore.kernel.org/r/20240809-clk_dpum-v3-3-359decc30fe2@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/clk/samsung/clk-exynosautov9.c | 83 ++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
diff mbox series

Patch

diff --git a/drivers/clk/samsung/clk-exynosautov9.c b/drivers/clk/samsung/clk-exynosautov9.c
index f04bacacab2c..5971e680e566 100644
--- a/drivers/clk/samsung/clk-exynosautov9.c
+++ b/drivers/clk/samsung/clk-exynosautov9.c
@@ -20,6 +20,7 @@ 
 #define CLKS_NR_TOP			(GOUT_CLKCMU_PERIS_BUS + 1)
 #define CLKS_NR_BUSMC			(CLK_GOUT_BUSMC_SPDMA_PCLK + 1)
 #define CLKS_NR_CORE			(CLK_GOUT_CORE_CMU_CORE_PCLK + 1)
+#define CLKS_NR_DPUM			(CLK_GOUT_DPUM_SYSMMU_D3_CLK + 1)
 #define CLKS_NR_FSYS0			(CLK_GOUT_FSYS0_PCIE_GEN3B_4L_CLK + 1)
 #define CLKS_NR_FSYS1			(CLK_GOUT_FSYS1_USB30_1_ACLK + 1)
 #define CLKS_NR_FSYS2			(CLK_GOUT_FSYS2_UFS_EMBD1_UNIPRO + 1)
@@ -1076,6 +1077,85 @@  static const struct samsung_cmu_info core_cmu_info __initconst = {
 	.clk_name		= "dout_clkcmu_core_bus",
 };
 
+/* ---- CMU_DPUM ---------------------------------------------------------- */
+
+/* Register Offset definitions for CMU_DPUM (0x18c00000) */
+#define PLL_CON0_MUX_CLKCMU_DPUM_BUS_USER				0x0600
+#define CLK_CON_DIV_DIV_CLK_DPUM_BUSP					0x1800
+#define CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DECON		0x202c
+#define CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DMA		0x2030
+#define CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DPP		0x2034
+#define CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D0_DPUM_IPCLKPORT_CLK_S1	0x207c
+#define CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D1_DPUM_IPCLKPORT_CLK_S1	0x2084
+#define CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D2_DPUM_IPCLKPORT_CLK_S1	0x208c
+#define CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D3_DPUM_IPCLKPORT_CLK_S1	0x2094
+
+static const unsigned long dpum_clk_regs[] __initconst = {
+	PLL_CON0_MUX_CLKCMU_DPUM_BUS_USER,
+	CLK_CON_DIV_DIV_CLK_DPUM_BUSP,
+	CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DECON,
+	CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DMA,
+	CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DPP,
+	CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D0_DPUM_IPCLKPORT_CLK_S1,
+	CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D1_DPUM_IPCLKPORT_CLK_S1,
+	CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D2_DPUM_IPCLKPORT_CLK_S1,
+	CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D3_DPUM_IPCLKPORT_CLK_S1,
+};
+
+PNAME(mout_dpum_bus_user_p) = { "oscclk", "dout_clkcmu_dpum_bus" };
+
+static const struct samsung_mux_clock dpum_mux_clks[] __initconst = {
+	MUX(CLK_MOUT_DPUM_BUS_USER, "mout_dpum_bus_user",
+	    mout_dpum_bus_user_p, PLL_CON0_MUX_CLKCMU_DPUM_BUS_USER, 4, 1),
+};
+
+static const struct samsung_div_clock dpum_div_clks[] __initconst = {
+	DIV(CLK_DOUT_DPUM_BUSP, "dout_dpum_busp", "mout_dpum_bus_user",
+	    CLK_CON_DIV_DIV_CLK_DPUM_BUSP, 0, 3),
+};
+
+static const struct samsung_gate_clock dpum_gate_clks[] __initconst = {
+	GATE(CLK_GOUT_DPUM_ACLK_DECON, "gout_dpum_decon_aclk",
+	     "mout_dpum_bus_user",
+	     CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DECON, 21,
+	     0, 0),
+	GATE(CLK_GOUT_DPUM_ACLK_DMA, "gout_dpum_dma_aclk", "mout_dpum_bus_user",
+	     CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DMA, 21,
+	     0, 0),
+	GATE(CLK_GOUT_DPUM_ACLK_DPP, "gout_dpum_dpp_aclk", "mout_dpum_bus_user",
+	     CLK_CON_GAT_GOUT_BLK_DPUM_UID_DPUM_IPCLKPORT_ACLK_DPP, 21,
+	     0, 0),
+	GATE(CLK_GOUT_DPUM_SYSMMU_D0_CLK, "gout_dpum_sysmmu_d0_clk",
+	     "mout_dpum_bus_user",
+	     CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D0_DPUM_IPCLKPORT_CLK_S1, 21,
+	     0, 0),
+	GATE(CLK_GOUT_DPUM_SYSMMU_D1_CLK, "gout_dpum_sysmmu_d1_clk",
+	     "mout_dpum_bus_user",
+	     CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D1_DPUM_IPCLKPORT_CLK_S1, 21,
+	     0, 0),
+	GATE(CLK_GOUT_DPUM_SYSMMU_D2_CLK, "gout_dpum_sysmmu_d2_clk",
+	     "mout_dpum_bus_user",
+	     CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D2_DPUM_IPCLKPORT_CLK_S1, 21,
+	     0, 0),
+	GATE(CLK_GOUT_DPUM_SYSMMU_D3_CLK, "gout_dpum_sysmmu_d3_clk",
+	     "mout_dpum_bus_user",
+	     CLK_CON_GAT_GOUT_BLK_DPUM_UID_SYSMMU_D3_DPUM_IPCLKPORT_CLK_S1, 21,
+	     0, 0),
+};
+
+static const struct samsung_cmu_info dpum_cmu_info __initconst = {
+	.mux_clks		= dpum_mux_clks,
+	.nr_mux_clks		= ARRAY_SIZE(dpum_mux_clks),
+	.div_clks		= dpum_div_clks,
+	.nr_div_clks		= ARRAY_SIZE(dpum_div_clks),
+	.gate_clks		= dpum_gate_clks,
+	.nr_gate_clks		= ARRAY_SIZE(dpum_gate_clks),
+	.nr_clk_ids		= CLKS_NR_DPUM,
+	.clk_regs		= dpum_clk_regs,
+	.nr_clk_regs		= ARRAY_SIZE(dpum_clk_regs),
+	.clk_name		= "bus",
+};
+
 /* ---- CMU_FSYS0 ---------------------------------------------------------- */
 
 /* Register Offset definitions for CMU_FSYS2 (0x17700000) */
@@ -2085,6 +2165,9 @@  static const struct of_device_id exynosautov9_cmu_of_match[] = {
 	}, {
 		.compatible = "samsung,exynosautov9-cmu-core",
 		.data = &core_cmu_info,
+	}, {
+		.compatible = "samsung,exynosautov9-cmu-dpum",
+		.data = &dpum_cmu_info,
 	}, {
 		.compatible = "samsung,exynosautov9-cmu-fsys0",
 		.data = &fsys0_cmu_info,