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,
        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, Alim Akhtar <alim.akhtar@samsung.com>,
        linux-fsd@tesla.com, Sathyakam M <sathya@samsung.com>
Subject: [PATCH 09/23] clk: samsung: fsd: Add cam_csi block clock
 information
Date:   Thu, 13 Jan 2022 17:41:29 +0530
Message-Id: <20220113121143.22280-10-alim.akhtar@samsung.com>
In-Reply-To: <20220113121143.22280-1-alim.akhtar@samsung.com>
Content-Type: text/plain; charset="utf-8"
CMS-TYPE: 105P
DLP-Filter: Pass
References: <20220113121143.22280-1-alim.akhtar@samsung.com>
        <CGME20220113122351epcas5p45f49a559af9f6d0c6ba573594f95561d@epcas5p4.samsung.com>
Precedence: bulk

Adds clocks for BLK_CAM_CSI block, this is needed for CSI to work.

Cc: linux-fsd@tesla.com
Signed-off-by: Sathyakam M <sathya@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 | 207 ++++++++++++++++++++++++++++++++++
 1 file changed, 207 insertions(+)

diff --git a/drivers/clk/samsung/clk-fsd.c b/drivers/clk/samsung/clk-fsd.c
index 927b310ce4a4..1bed8c7eb605 100644
--- a/drivers/clk/samsung/clk-fsd.c
+++ b/drivers/clk/samsung/clk-fsd.c
@@ -1585,6 +1585,210 @@ static const struct samsung_cmu_info mfc_cmu_info __initconst = {
 	.nr_clk_regs		= ARRAY_SIZE(mfc_clk_regs),
 };
 
+/* Register Offset definitions for CMU_CAM_CSI (0x12610000) */
+#define PLL_LOCKTIME_PLL_CAM_CSI		0x0
+#define PLL_CON0_PLL_CAM_CSI			0x100
+#define DIV_CAM_CSI0_ACLK			0x1800
+#define DIV_CAM_CSI1_ACLK			0x1804
+#define DIV_CAM_CSI2_ACLK			0x1808
+#define DIV_CAM_CSI_BUSD			0x180c
+#define DIV_CAM_CSI_BUSP			0x1810
+#define GAT_CAM_CSI_CMU_CAM_CSI_IPCLKPORT_PCLK	0x2000
+#define GAT_CAM_AXI2APB_CAM_CSI_IPCLKPORT_ACLK	0x2004
+#define GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI0	0x2008
+#define GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI1	0x200c
+#define GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI2	0x2010
+#define GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_SOC_NOC	0x2014
+#define GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__NOC		0x2018
+#define GAT_CAM_CSI0_0_IPCLKPORT_I_ACLK		0x201c
+#define GAT_CAM_CSI0_0_IPCLKPORT_I_PCLK		0x2020
+#define GAT_CAM_CSI0_1_IPCLKPORT_I_ACLK		0x2024
+#define GAT_CAM_CSI0_1_IPCLKPORT_I_PCLK		0x2028
+#define GAT_CAM_CSI0_2_IPCLKPORT_I_ACLK		0x202c
+#define GAT_CAM_CSI0_2_IPCLKPORT_I_PCLK		0x2030
+#define GAT_CAM_CSI0_3_IPCLKPORT_I_ACLK		0x2034
+#define GAT_CAM_CSI0_3_IPCLKPORT_I_PCLK		0x2038
+#define GAT_CAM_CSI1_0_IPCLKPORT_I_ACLK		0x203c
+#define GAT_CAM_CSI1_0_IPCLKPORT_I_PCLK		0x2040
+#define GAT_CAM_CSI1_1_IPCLKPORT_I_ACLK		0x2044
+#define GAT_CAM_CSI1_1_IPCLKPORT_I_PCLK		0x2048
+#define GAT_CAM_CSI1_2_IPCLKPORT_I_ACLK		0x204c
+#define GAT_CAM_CSI1_2_IPCLKPORT_I_PCLK		0x2050
+#define GAT_CAM_CSI1_3_IPCLKPORT_I_ACLK		0x2054
+#define GAT_CAM_CSI1_3_IPCLKPORT_I_PCLK		0x2058
+#define GAT_CAM_CSI2_0_IPCLKPORT_I_ACLK		0x205c
+#define GAT_CAM_CSI2_0_IPCLKPORT_I_PCLK		0x2060
+#define GAT_CAM_CSI2_1_IPCLKPORT_I_ACLK		0x2064
+#define GAT_CAM_CSI2_1_IPCLKPORT_I_PCLK		0x2068
+#define GAT_CAM_CSI2_2_IPCLKPORT_I_ACLK		0x206c
+#define GAT_CAM_CSI2_2_IPCLKPORT_I_PCLK		0x2070
+#define GAT_CAM_CSI2_3_IPCLKPORT_I_ACLK		0x2074
+#define GAT_CAM_CSI2_3_IPCLKPORT_I_PCLK		0x2078
+#define GAT_CAM_NS_BRDG_CAM_CSI_IPCLKPORT_CLK__PSOC_CAM_CSI__CLK_CAM_CSI_D	0x207c
+#define GAT_CAM_NS_BRDG_CAM_CSI_IPCLKPORT_CLK__PSOC_CAM_CSI__CLK_CAM_CSI_P	0x2080
+#define GAT_CAM_SYSREG_CAM_CSI_IPCLKPORT_PCLK	0x2084
+#define GAT_CAM_TBU_CAM_CSI_IPCLKPORT_ACLK	0x2088
+
+static const unsigned long cam_csi_clk_regs[] __initconst = {
+	PLL_LOCKTIME_PLL_CAM_CSI,
+	PLL_CON0_PLL_CAM_CSI,
+	DIV_CAM_CSI0_ACLK,
+	DIV_CAM_CSI1_ACLK,
+	DIV_CAM_CSI2_ACLK,
+	DIV_CAM_CSI_BUSD,
+	DIV_CAM_CSI_BUSP,
+	GAT_CAM_CSI_CMU_CAM_CSI_IPCLKPORT_PCLK,
+	GAT_CAM_AXI2APB_CAM_CSI_IPCLKPORT_ACLK,
+	GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI0,
+	GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI1,
+	GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI2,
+	GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_SOC_NOC,
+	GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__NOC,
+	GAT_CAM_CSI0_0_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI0_0_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI0_1_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI0_1_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI0_2_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI0_2_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI0_3_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI0_3_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI1_0_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI1_0_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI1_1_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI1_1_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI1_2_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI1_2_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI1_3_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI1_3_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI2_0_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI2_0_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI2_1_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI2_1_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI2_2_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI2_2_IPCLKPORT_I_PCLK,
+	GAT_CAM_CSI2_3_IPCLKPORT_I_ACLK,
+	GAT_CAM_CSI2_3_IPCLKPORT_I_PCLK,
+	GAT_CAM_NS_BRDG_CAM_CSI_IPCLKPORT_CLK__PSOC_CAM_CSI__CLK_CAM_CSI_D,
+	GAT_CAM_NS_BRDG_CAM_CSI_IPCLKPORT_CLK__PSOC_CAM_CSI__CLK_CAM_CSI_P,
+	GAT_CAM_SYSREG_CAM_CSI_IPCLKPORT_PCLK,
+	GAT_CAM_TBU_CAM_CSI_IPCLKPORT_ACLK,
+};
+
+static const struct samsung_pll_rate_table pll_cam_csi_rate_table[] __initconst = {
+	PLL_35XX_RATE(24 * MHZ, 1066000000, 533, 12, 0),
+};
+
+static const struct samsung_pll_clock cam_csi_pll_clks[] __initconst = {
+	PLL(pll_142xx, 0, "fout_pll_cam_csi", "fin_pll",
+	    PLL_LOCKTIME_PLL_CAM_CSI, PLL_CON0_PLL_CAM_CSI, pll_cam_csi_rate_table),
+};
+
+PNAME(mout_cam_csi_pll_p) = { "fin_pll", "fout_pll_cam_csi" };
+
+static const struct samsung_mux_clock cam_csi_mux_clks[] __initconst = {
+	MUX(0, "mout_cam_csi_pll", mout_cam_csi_pll_p, PLL_CON0_PLL_CAM_CSI, 4, 1),
+};
+
+static const struct samsung_div_clock cam_csi_div_clks[] __initconst = {
+	DIV(0, "dout_cam_csi0_aclk", "mout_cam_csi_pll", DIV_CAM_CSI0_ACLK, 0, 4),
+	DIV(0, "dout_cam_csi1_aclk", "mout_cam_csi_pll", DIV_CAM_CSI1_ACLK, 0, 4),
+	DIV(0, "dout_cam_csi2_aclk", "mout_cam_csi_pll", DIV_CAM_CSI2_ACLK, 0, 4),
+	DIV(0, "dout_cam_csi_busd", "mout_cam_csi_pll", DIV_CAM_CSI_BUSD, 0, 4),
+	DIV(0, "dout_cam_csi_busp", "mout_cam_csi_pll", DIV_CAM_CSI_BUSP, 0, 4),
+};
+
+static const struct samsung_gate_clock cam_csi_gate_clks[] __initconst = {
+	GATE(0, "cam_csi_cmu_cam_csi_ipclkport_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI_CMU_CAM_CSI_IPCLKPORT_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_axi2apb_cam_csi_ipclkport_aclk", "dout_cam_csi_busp",
+	     GAT_CAM_AXI2APB_CAM_CSI_IPCLKPORT_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi_bus_d_cam_csi_ipclkport_clk__system__clk_csi0", "dout_cam_csi0_aclk",
+	     GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI0, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi_bus_d_cam_csi_ipclkport_clk__system__clk_csi1", "dout_cam_csi1_aclk",
+	     GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI1, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi_bus_d_cam_csi_ipclkport_clk__system__clk_csi2", "dout_cam_csi2_aclk",
+	     GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_CSI2, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi_bus_d_cam_csi_ipclkport_clk__system__clk_soc_noc", "dout_cam_csi_busd",
+	     GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__CLK_SOC_NOC, 21,
+	     CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi_bus_d_cam_csi_ipclkport_clk__system__noc", "dout_cam_csi_busd",
+	     GAT_CAM_CSI_BUS_D_CAM_CSI_IPCLKPORT_CLK__SYSTEM__NOC, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI0_0_IPCLKPORT_I_ACLK, "cam_csi0_0_ipclkport_i_aclk", "dout_cam_csi0_aclk",
+	     GAT_CAM_CSI0_0_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi0_0_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI0_0_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI0_1_IPCLKPORT_I_ACLK, "cam_csi0_1_ipclkport_i_aclk", "dout_cam_csi0_aclk",
+	     GAT_CAM_CSI0_1_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi0_1_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI0_1_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI0_2_IPCLKPORT_I_ACLK, "cam_csi0_2_ipclkport_i_aclk", "dout_cam_csi0_aclk",
+	     GAT_CAM_CSI0_2_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi0_2_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI0_2_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI0_3_IPCLKPORT_I_ACLK, "cam_csi0_3_ipclkport_i_aclk", "dout_cam_csi0_aclk",
+	     GAT_CAM_CSI0_3_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi0_3_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI0_3_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI1_0_IPCLKPORT_I_ACLK, "cam_csi1_0_ipclkport_i_aclk", "dout_cam_csi1_aclk",
+	     GAT_CAM_CSI1_0_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi1_0_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI1_0_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI1_1_IPCLKPORT_I_ACLK, "cam_csi1_1_ipclkport_i_aclk", "dout_cam_csi1_aclk",
+	     GAT_CAM_CSI1_1_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi1_1_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI1_1_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI1_2_IPCLKPORT_I_ACLK, "cam_csi1_2_ipclkport_i_aclk", "dout_cam_csi1_aclk",
+	     GAT_CAM_CSI1_2_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi1_2_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI1_2_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI1_3_IPCLKPORT_I_ACLK, "cam_csi1_3_ipclkport_i_aclk", "dout_cam_csi1_aclk",
+	     GAT_CAM_CSI1_3_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi1_3_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI1_3_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI2_0_IPCLKPORT_I_ACLK, "cam_csi2_0_ipclkport_i_aclk", "dout_cam_csi2_aclk",
+	     GAT_CAM_CSI2_0_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi2_0_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI2_0_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI2_1_IPCLKPORT_I_ACLK, "cam_csi2_1_ipclkport_i_aclk", "dout_cam_csi2_aclk",
+	     GAT_CAM_CSI2_1_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi2_1_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI2_1_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI2_2_IPCLKPORT_I_ACLK, "cam_csi2_2_ipclkport_i_aclk", "dout_cam_csi2_aclk",
+	     GAT_CAM_CSI2_2_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi2_2_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI2_2_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(CAM_CSI2_3_IPCLKPORT_I_ACLK, "cam_csi2_3_ipclkport_i_aclk", "dout_cam_csi2_aclk",
+	     GAT_CAM_CSI2_3_IPCLKPORT_I_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_csi2_3_ipclkport_i_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_CSI2_3_IPCLKPORT_I_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_ns_brdg_cam_csi_ipclkport_clk__psoc_cam_csi__clk_cam_csi_d",
+	     "dout_cam_csi_busd",
+	     GAT_CAM_NS_BRDG_CAM_CSI_IPCLKPORT_CLK__PSOC_CAM_CSI__CLK_CAM_CSI_D, 21,
+	     CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_ns_brdg_cam_csi_ipclkport_clk__psoc_cam_csi__clk_cam_csi_p",
+	     "dout_cam_csi_busp",
+	     GAT_CAM_NS_BRDG_CAM_CSI_IPCLKPORT_CLK__PSOC_CAM_CSI__CLK_CAM_CSI_P, 21,
+	     CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_sysreg_cam_csi_ipclkport_pclk", "dout_cam_csi_busp",
+	     GAT_CAM_SYSREG_CAM_CSI_IPCLKPORT_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+	GATE(0, "cam_tbu_cam_csi_ipclkport_aclk", "dout_cam_csi_busd",
+	     GAT_CAM_TBU_CAM_CSI_IPCLKPORT_ACLK, 21, CLK_IGNORE_UNUSED, 0),
+};
+
+static const struct samsung_cmu_info cam_csi_cmu_info __initconst = {
+	.pll_clks		= cam_csi_pll_clks,
+	.nr_pll_clks		= ARRAY_SIZE(cam_csi_pll_clks),
+	.mux_clks		= cam_csi_mux_clks,
+	.nr_mux_clks		= ARRAY_SIZE(cam_csi_mux_clks),
+	.div_clks		= cam_csi_div_clks,
+	.nr_div_clks		= ARRAY_SIZE(cam_csi_div_clks),
+	.gate_clks		= cam_csi_gate_clks,
+	.nr_gate_clks		= ARRAY_SIZE(cam_csi_gate_clks),
+	.nr_clk_ids		= CAM_CSI_NR_CLK,
+	.clk_regs		= cam_csi_clk_regs,
+	.nr_clk_regs		= ARRAY_SIZE(cam_csi_clk_regs),
+};
+
 /**
  * fsd_cmu_probe - Probe function for FSD platform clocks
  * @pdev: Pointer to platform device
@@ -1631,6 +1835,9 @@ static const struct of_device_id fsd_cmu_of_match[] = {
 	}, {
 		.compatible = "tesla,fsd-clock-mfc",
 		.data = &mfc_cmu_info,
+	}, {
+		.compatible = "tesla,fsd-clock-cam_csi",
+		.data = &cam_csi_cmu_info,
 	}, {
 	},
 };
-- 
2.17.1