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From:   Alim Akhtar <alim.akhtar@samsung.com>
To:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     soc@kernel.org, linux-clk@vger.kernel.org,
        devicetree@vger.kernel.org, olof@lixom.net, arnd@arndb.de,
        linus.walleij@linaro.org, catalin.marinas@arm.com,
        robh+dt@kernel.org, krzysztof.kozlowski@canonical.com,
        s.nawrocki@samsung.com, linux-samsung-soc@vger.kernel.org,
        pankaj.dubey@samsung.com, sboyd@kernel.org,
        Alim Akhtar <alim.akhtar@samsung.com>, linux-fsd@tesla.com,
        Smitha T Murthy <smitha.t@samsung.com>
Subject: [PATCH v3 09/16] clk: samsung: fsd: Add cmu_mfc block clock
 information
Date:   Fri, 21 Jan 2022 22:58:33 +0530
Message-Id: <20220121172840.12121-10-alim.akhtar@samsung.com>
In-Reply-To: <20220121172840.12121-1-alim.akhtar@samsung.com>
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References: <20220121172840.12121-1-alim.akhtar@samsung.com>
        <CGME20220121174058epcas5p13276d857b7a9d3d24c84d5b46e0556fd@epcas5p1.samsung.com>
Precedence: bulk

Adds cmu_mfc clock related code, these clocks are
required for MFC IP.

Cc: linux-fsd@tesla.com
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
---
 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 d39ec207213e..a9c4424b29ff 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, 666000000, 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