lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20250625-sm7635-clocks-v1-6-ca3120e3a80e@fairphone.com>
Date: Wed, 25 Jun 2025 11:12:24 +0200
From: Luca Weiss <luca.weiss@...rphone.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH 06/10] clk: qcom: Add Display Clock controller (DISPCC)
 driver for SM7635

Add support for the display clock controller found on SM7635 based
devices.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 drivers/clk/qcom/Kconfig         |  10 +
 drivers/clk/qcom/Makefile        |   1 +
 drivers/clk/qcom/dispcc-sm7635.c | 962 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 973 insertions(+)

diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index 473881ebb9437ae08d20aa37ecee956630bba0c5..6234c9e52987be963410ec6b6be693ab18ea3514 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -1044,6 +1044,16 @@ config SM_DISPCC_6375
 	  Say Y if you want to support display devices and functionality such as
 	  splash screen.
 
+config SM_DISPCC_7635
+	tristate "SM7635 Display Clock Controller"
+	depends on ARM64 || COMPILE_TEST
+	depends on SM_GCC_7635
+	help
+	  Support for the display clock controller on Qualcomm Technologies, Inc
+	  SM7635 devices.
+	  Say Y if you want to support display devices and functionality such as
+	  splash screen.
+
 config SM_DISPCC_8450
 	tristate "SM8450 Display Clock Controller"
 	depends on ARM64 || COMPILE_TEST
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index 4a8d9b60e426a7b4ac8006de26c846d066484852..4731367a57a7624b437908ae447dcf83a8555f87 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -133,6 +133,7 @@ obj-$(CONFIG_SM_DISPCC_6125) += dispcc-sm6125.o
 obj-$(CONFIG_SM_DISPCC_6350) += dispcc-sm6350.o
 obj-$(CONFIG_SM_DISPCC_6375) += dispcc-sm6375.o
 obj-$(CONFIG_SM_DISPCC_7150) += dispcc-sm7150.o
+obj-$(CONFIG_SM_DISPCC_7635) += dispcc-sm7635.o
 obj-$(CONFIG_SM_DISPCC_8250) += dispcc-sm8250.o
 obj-$(CONFIG_SM_DISPCC_8450) += dispcc-sm8450.o
 obj-$(CONFIG_SM_DISPCC_8550) += dispcc-sm8550.o
diff --git a/drivers/clk/qcom/dispcc-sm7635.c b/drivers/clk/qcom/dispcc-sm7635.c
new file mode 100644
index 0000000000000000000000000000000000000000..d06856da66fec3fc35794b3cf2315742742bfe61
--- /dev/null
+++ b/drivers/clk/qcom/dispcc-sm7635.c
@@ -0,0 +1,962 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2025, Luca Weiss <luca.weiss@...rphone.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,sm7635-dispcc.h>
+
+#include "common.h"
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-pll.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "clk-regmap-divider.h"
+#include "clk-regmap-mux.h"
+#include "reset.h"
+#include "gdsc.h"
+
+/* Need to match the order of clocks in DT binding */
+enum {
+	DT_BI_TCXO,
+	DT_SLEEP_CLK,
+	DT_AHB_CLK,
+	DT_GCC_DISP_GPLL0_CLK,
+	DT_DSI0_PHY_PLL_OUT_BYTECLK,
+	DT_DSI0_PHY_PLL_OUT_DSICLK,
+	DT_DP0_PHY_PLL_LINK_CLK,
+	DT_DP0_PHY_PLL_VCO_DIV_CLK,
+};
+
+#define DISP_CC_MISC_CMD	0xF000
+
+enum {
+	P_BI_TCXO,
+	P_DISP_CC_PLL0_OUT_EVEN,
+	P_DISP_CC_PLL0_OUT_MAIN,
+	P_DP0_PHY_PLL_LINK_CLK,
+	P_DP0_PHY_PLL_VCO_DIV_CLK,
+	P_DSI0_PHY_PLL_OUT_BYTECLK,
+	P_DSI0_PHY_PLL_OUT_DSICLK,
+	P_GCC_DISP_GPLL0_CLK,
+	P_SLEEP_CLK,
+};
+
+static const struct pll_vco lucid_ole_vco[] = {
+	{ 249600000, 2300000000, 0 },
+};
+
+/* 257.142858 MHz Configuration */
+static const struct alpha_pll_config disp_cc_pll0_config = {
+	.l = 0xd,
+	.alpha = 0x6492,
+	.config_ctl_val = 0x20485699,
+	.config_ctl_hi_val = 0x00182261,
+	.config_ctl_hi1_val = 0x82aa299c,
+	.test_ctl_val = 0x00000000,
+	.test_ctl_hi_val = 0x00000003,
+	.test_ctl_hi1_val = 0x00009000,
+	.test_ctl_hi2_val = 0x00000034,
+	.user_ctl_val = 0x00000000,
+	.user_ctl_hi_val = 0x00000005,
+};
+
+static struct clk_alpha_pll disp_cc_pll0 = {
+	.offset = 0x0,
+	.vco_table = lucid_ole_vco,
+	.num_vco = ARRAY_SIZE(lucid_ole_vco),
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE],
+	.clkr = {
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_pll0",
+			.parent_data = &(const struct clk_parent_data) {
+				.index = DT_BI_TCXO,
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_lucid_evo_ops,
+		},
+	},
+};
+
+static const struct parent_map disp_cc_parent_map_0[] = {
+	{ P_BI_TCXO, 0 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_0[] = {
+	{ .index = DT_BI_TCXO },
+};
+
+static const struct parent_map disp_cc_parent_map_1[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_DSI0_PHY_PLL_OUT_DSICLK, 1 },
+	{ P_DSI0_PHY_PLL_OUT_BYTECLK, 2 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_1[] = {
+	{ .index = DT_BI_TCXO },
+	{ .index = DT_DSI0_PHY_PLL_OUT_DSICLK },
+	{ .index = DT_DSI0_PHY_PLL_OUT_BYTECLK },
+};
+
+static const struct parent_map disp_cc_parent_map_2[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_DP0_PHY_PLL_LINK_CLK, 1 },
+	{ P_DP0_PHY_PLL_VCO_DIV_CLK, 2 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_2[] = {
+	{ .index = DT_BI_TCXO },
+	{ .index = DT_DP0_PHY_PLL_LINK_CLK },
+	{ .index = DT_DP0_PHY_PLL_VCO_DIV_CLK },
+};
+
+static const struct parent_map disp_cc_parent_map_3[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_GCC_DISP_GPLL0_CLK, 4 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_3[] = {
+	{ .index = DT_BI_TCXO },
+	{ .index = DT_GCC_DISP_GPLL0_CLK },
+};
+
+static const struct parent_map disp_cc_parent_map_4[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_DP0_PHY_PLL_LINK_CLK, 1 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_4[] = {
+	{ .index = DT_BI_TCXO },
+	{ .index = DT_DP0_PHY_PLL_LINK_CLK },
+};
+
+static const struct parent_map disp_cc_parent_map_5[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_DSI0_PHY_PLL_OUT_BYTECLK, 2 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_5[] = {
+	{ .index = DT_BI_TCXO },
+	{ .index = DT_DSI0_PHY_PLL_OUT_BYTECLK },
+};
+
+static const struct parent_map disp_cc_parent_map_6[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_DISP_CC_PLL0_OUT_MAIN, 1 },
+	{ P_GCC_DISP_GPLL0_CLK, 4 },
+	{ P_DISP_CC_PLL0_OUT_EVEN, 6 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_6[] = {
+	{ .index = DT_BI_TCXO },
+	{ .hw = &disp_cc_pll0.clkr.hw },
+	{ .index = DT_GCC_DISP_GPLL0_CLK },
+	{ .hw = &disp_cc_pll0.clkr.hw },
+};
+
+static const struct parent_map disp_cc_parent_map_7[] = {
+	{ P_SLEEP_CLK, 0 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_7_ao[] = {
+	{ .index = DT_SLEEP_CLK },
+};
+
+static const struct freq_tbl ftbl_disp_cc_mdss_ahb_clk_src[] = {
+	F(19200000, P_BI_TCXO, 1, 0, 0),
+	F(37500000, P_GCC_DISP_GPLL0_CLK, 8, 0, 0),
+	F(75000000, P_GCC_DISP_GPLL0_CLK, 4, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 disp_cc_mdss_ahb_clk_src = {
+	.cmd_rcgr = 0x8130,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_3,
+	.freq_tbl = ftbl_disp_cc_mdss_ahb_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_ahb_clk_src",
+		.parent_data = disp_cc_parent_data_3,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_shared_ops,
+	},
+};
+
+static struct clk_rcg2 disp_cc_mdss_byte0_clk_src = {
+	.cmd_rcgr = 0x8098,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_1,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_byte0_clk_src",
+		.parent_data = disp_cc_parent_data_1,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_byte2_ops,
+	},
+};
+
+static const struct freq_tbl ftbl_disp_cc_mdss_dptx0_aux_clk_src[] = {
+	F(19200000, P_BI_TCXO, 1, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 disp_cc_mdss_dptx0_aux_clk_src = {
+	.cmd_rcgr = 0x8118,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_0,
+	.freq_tbl = ftbl_disp_cc_mdss_dptx0_aux_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_dptx0_aux_clk_src",
+		.parent_data = disp_cc_parent_data_0,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_ops,
+	},
+};
+
+static struct clk_rcg2 disp_cc_mdss_dptx0_link_clk_src = {
+	.cmd_rcgr = 0x80cc,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_4,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_dptx0_link_clk_src",
+		.parent_data = disp_cc_parent_data_4,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_4),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_byte2_ops,
+	},
+};
+
+static struct clk_rcg2 disp_cc_mdss_dptx0_pixel0_clk_src = {
+	.cmd_rcgr = 0x80e8,
+	.mnd_width = 16,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_2,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_dptx0_pixel0_clk_src",
+		.parent_data = disp_cc_parent_data_2,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_dp_ops,
+	},
+};
+
+static struct clk_rcg2 disp_cc_mdss_dptx0_pixel1_clk_src = {
+	.cmd_rcgr = 0x8100,
+	.mnd_width = 16,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_2,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_dptx0_pixel1_clk_src",
+		.parent_data = disp_cc_parent_data_2,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_dp_ops,
+	},
+};
+
+static const struct freq_tbl ftbl_disp_cc_mdss_esc0_clk_src[] = {
+	F(9600000, P_BI_TCXO, 2, 0, 0),
+	F(12800000, P_BI_TCXO, 1.5, 0, 0),
+	F(19200000, P_BI_TCXO, 1, 0, 0),
+	{ }
+};
+static struct clk_rcg2 disp_cc_mdss_esc0_clk_src = {
+	.cmd_rcgr = 0x80b4,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_5,
+	.freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_esc0_clk_src",
+		.parent_data = disp_cc_parent_data_5,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_5),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_ops,
+	},
+};
+
+static const struct freq_tbl ftbl_disp_cc_mdss_mdp_clk_src[] = {
+	F(19200000, P_BI_TCXO, 1, 0, 0),
+	F(85714286, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(100000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(200000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(342000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(402000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(535000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(600000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	F(630000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 disp_cc_mdss_mdp_clk_src = {
+	.cmd_rcgr = 0x8068,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_6,
+	.freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_mdp_clk_src",
+		.parent_data = disp_cc_parent_data_6,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_6),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_shared_ops,
+	},
+};
+
+static struct clk_rcg2 disp_cc_mdss_pclk0_clk_src = {
+	.cmd_rcgr = 0x8050,
+	.mnd_width = 8,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_1,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_pclk0_clk_src",
+		.parent_data = disp_cc_parent_data_1,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_pixel_ops,
+	},
+};
+
+static struct clk_rcg2 disp_cc_mdss_vsync_clk_src = {
+	.cmd_rcgr = 0x8080,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_0,
+	.freq_tbl = ftbl_disp_cc_mdss_dptx0_aux_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_vsync_clk_src",
+		.parent_data = disp_cc_parent_data_0,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_ops,
+	},
+};
+
+static const struct freq_tbl ftbl_disp_cc_sleep_clk_src[] = {
+	F(32000, P_SLEEP_CLK, 1, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 disp_cc_sleep_clk_src = {
+	.cmd_rcgr = 0xe054,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_7,
+	.freq_tbl = ftbl_disp_cc_sleep_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_sleep_clk_src",
+		.parent_data = disp_cc_parent_data_7_ao,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_7_ao),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_ops,
+	},
+};
+
+static struct clk_rcg2 disp_cc_xo_clk_src = {
+	.cmd_rcgr = 0xe034,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = disp_cc_parent_map_0,
+	.freq_tbl = ftbl_disp_cc_mdss_dptx0_aux_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_xo_clk_src",
+		.parent_data = disp_cc_parent_data_0,
+		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_ops,
+	},
+};
+
+static struct clk_regmap_div disp_cc_mdss_byte0_div_clk_src = {
+	.reg = 0x80b0,
+	.shift = 0,
+	.width = 4,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_byte0_div_clk_src",
+		.parent_hws = (const struct clk_hw*[]) {
+			&disp_cc_mdss_byte0_clk_src.clkr.hw,
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_regmap_div_ops,
+	},
+};
+
+static struct clk_regmap_div disp_cc_mdss_dptx0_link_div_clk_src = {
+	.reg = 0x80e4,
+	.shift = 0,
+	.width = 4,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "disp_cc_mdss_dptx0_link_div_clk_src",
+		.parent_hws = (const struct clk_hw*[]) {
+			&disp_cc_mdss_dptx0_link_clk_src.clkr.hw,
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_regmap_div_ro_ops,
+	},
+};
+
+static struct clk_branch disp_cc_mdss_accu_clk = {
+	.halt_reg = 0xe050,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0xe050,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_accu_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_xo_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_ahb1_clk = {
+	.halt_reg = 0xa020,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0xa020,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_ahb1_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_ahb_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_ahb_clk = {
+	.halt_reg = 0x804c,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x804c,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_ahb_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_ahb_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_byte0_clk = {
+	.halt_reg = 0x8024,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8024,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_byte0_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_byte0_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_byte0_intf_clk = {
+	.halt_reg = 0x8028,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8028,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_byte0_intf_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_byte0_div_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_dptx0_aux_clk = {
+	.halt_reg = 0x8048,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8048,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_dptx0_aux_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_dptx0_aux_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_dptx0_crypto_clk = {
+	.halt_reg = 0x803c,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x803c,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_dptx0_crypto_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_dptx0_link_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_dptx0_link_clk = {
+	.halt_reg = 0x8030,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8030,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_dptx0_link_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_dptx0_link_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_dptx0_link_intf_clk = {
+	.halt_reg = 0x8038,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8038,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_dptx0_link_intf_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_dptx0_link_div_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_dptx0_pixel0_clk = {
+	.halt_reg = 0x8040,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8040,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_dptx0_pixel0_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_dptx0_pixel0_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_dptx0_pixel1_clk = {
+	.halt_reg = 0x8044,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8044,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_dptx0_pixel1_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_dptx0_pixel1_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_dptx0_usb_router_link_intf_clk = {
+	.halt_reg = 0x8034,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8034,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_dptx0_usb_router_link_intf_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_dptx0_link_div_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_esc0_clk = {
+	.halt_reg = 0x802c,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x802c,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_esc0_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_esc0_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_mdp1_clk = {
+	.halt_reg = 0xa004,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0xa004,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_mdp1_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_mdp_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_mdp_clk = {
+	.halt_reg = 0x8008,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8008,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_mdp_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_mdp_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_mdp_lut1_clk = {
+	.halt_reg = 0xa010,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0xa010,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_mdp_lut1_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_mdp_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_mdp_lut_clk = {
+	.halt_reg = 0x8014,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x8014,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_mdp_lut_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_mdp_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_non_gdsc_ahb_clk = {
+	.halt_reg = 0xc004,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0xc004,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_non_gdsc_ahb_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_ahb_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_pclk0_clk = {
+	.halt_reg = 0x8004,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8004,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_pclk0_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_pclk0_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_rscc_ahb_clk = {
+	.halt_reg = 0xc00c,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0xc00c,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_rscc_ahb_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_ahb_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_rscc_vsync_clk = {
+	.halt_reg = 0xc008,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0xc008,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_rscc_vsync_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_vsync_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_vsync1_clk = {
+	.halt_reg = 0xa01c,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0xa01c,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_vsync1_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_vsync_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch disp_cc_mdss_vsync_clk = {
+	.halt_reg = 0x8020,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x8020,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "disp_cc_mdss_vsync_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&disp_cc_mdss_vsync_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct gdsc disp_cc_mdss_core_gdsc = {
+	.gdscr = 0x9000,
+	.en_rest_wait_val = 0x2,
+	.en_few_wait_val = 0x2,
+	.clk_dis_wait_val = 0xf,
+	.pd = {
+		.name = "disp_cc_mdss_core_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR | HW_CTRL | RETAIN_FF_ENABLE,
+};
+
+static struct gdsc disp_cc_mdss_core_int2_gdsc = {
+	.gdscr = 0xb000,
+	.en_rest_wait_val = 0x2,
+	.en_few_wait_val = 0x2,
+	.clk_dis_wait_val = 0xf,
+	.pd = {
+		.name = "disp_cc_mdss_core_int2_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR | HW_CTRL | RETAIN_FF_ENABLE,
+};
+
+static struct clk_regmap *disp_cc_sm7635_clocks[] = {
+	[DISP_CC_MDSS_ACCU_CLK] = &disp_cc_mdss_accu_clk.clkr,
+	[DISP_CC_MDSS_AHB1_CLK] = &disp_cc_mdss_ahb1_clk.clkr,
+	[DISP_CC_MDSS_AHB_CLK] = &disp_cc_mdss_ahb_clk.clkr,
+	[DISP_CC_MDSS_AHB_CLK_SRC] = &disp_cc_mdss_ahb_clk_src.clkr,
+	[DISP_CC_MDSS_BYTE0_CLK] = &disp_cc_mdss_byte0_clk.clkr,
+	[DISP_CC_MDSS_BYTE0_CLK_SRC] = &disp_cc_mdss_byte0_clk_src.clkr,
+	[DISP_CC_MDSS_BYTE0_DIV_CLK_SRC] = &disp_cc_mdss_byte0_div_clk_src.clkr,
+	[DISP_CC_MDSS_BYTE0_INTF_CLK] = &disp_cc_mdss_byte0_intf_clk.clkr,
+	[DISP_CC_MDSS_DPTX0_AUX_CLK] = &disp_cc_mdss_dptx0_aux_clk.clkr,
+	[DISP_CC_MDSS_DPTX0_AUX_CLK_SRC] = &disp_cc_mdss_dptx0_aux_clk_src.clkr,
+	[DISP_CC_MDSS_DPTX0_CRYPTO_CLK] = &disp_cc_mdss_dptx0_crypto_clk.clkr,
+	[DISP_CC_MDSS_DPTX0_LINK_CLK] = &disp_cc_mdss_dptx0_link_clk.clkr,
+	[DISP_CC_MDSS_DPTX0_LINK_CLK_SRC] = &disp_cc_mdss_dptx0_link_clk_src.clkr,
+	[DISP_CC_MDSS_DPTX0_LINK_DIV_CLK_SRC] = &disp_cc_mdss_dptx0_link_div_clk_src.clkr,
+	[DISP_CC_MDSS_DPTX0_LINK_INTF_CLK] = &disp_cc_mdss_dptx0_link_intf_clk.clkr,
+	[DISP_CC_MDSS_DPTX0_PIXEL0_CLK] = &disp_cc_mdss_dptx0_pixel0_clk.clkr,
+	[DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC] = &disp_cc_mdss_dptx0_pixel0_clk_src.clkr,
+	[DISP_CC_MDSS_DPTX0_PIXEL1_CLK] = &disp_cc_mdss_dptx0_pixel1_clk.clkr,
+	[DISP_CC_MDSS_DPTX0_PIXEL1_CLK_SRC] = &disp_cc_mdss_dptx0_pixel1_clk_src.clkr,
+	[DISP_CC_MDSS_DPTX0_USB_ROUTER_LINK_INTF_CLK] =
+		&disp_cc_mdss_dptx0_usb_router_link_intf_clk.clkr,
+	[DISP_CC_MDSS_ESC0_CLK] = &disp_cc_mdss_esc0_clk.clkr,
+	[DISP_CC_MDSS_ESC0_CLK_SRC] = &disp_cc_mdss_esc0_clk_src.clkr,
+	[DISP_CC_MDSS_MDP1_CLK] = &disp_cc_mdss_mdp1_clk.clkr,
+	[DISP_CC_MDSS_MDP_CLK] = &disp_cc_mdss_mdp_clk.clkr,
+	[DISP_CC_MDSS_MDP_CLK_SRC] = &disp_cc_mdss_mdp_clk_src.clkr,
+	[DISP_CC_MDSS_MDP_LUT1_CLK] = &disp_cc_mdss_mdp_lut1_clk.clkr,
+	[DISP_CC_MDSS_MDP_LUT_CLK] = &disp_cc_mdss_mdp_lut_clk.clkr,
+	[DISP_CC_MDSS_NON_GDSC_AHB_CLK] = &disp_cc_mdss_non_gdsc_ahb_clk.clkr,
+	[DISP_CC_MDSS_PCLK0_CLK] = &disp_cc_mdss_pclk0_clk.clkr,
+	[DISP_CC_MDSS_PCLK0_CLK_SRC] = &disp_cc_mdss_pclk0_clk_src.clkr,
+	[DISP_CC_MDSS_RSCC_AHB_CLK] = &disp_cc_mdss_rscc_ahb_clk.clkr,
+	[DISP_CC_MDSS_RSCC_VSYNC_CLK] = &disp_cc_mdss_rscc_vsync_clk.clkr,
+	[DISP_CC_MDSS_VSYNC1_CLK] = &disp_cc_mdss_vsync1_clk.clkr,
+	[DISP_CC_MDSS_VSYNC_CLK] = &disp_cc_mdss_vsync_clk.clkr,
+	[DISP_CC_MDSS_VSYNC_CLK_SRC] = &disp_cc_mdss_vsync_clk_src.clkr,
+	[DISP_CC_PLL0] = &disp_cc_pll0.clkr,
+	[DISP_CC_SLEEP_CLK_SRC] = &disp_cc_sleep_clk_src.clkr,
+	[DISP_CC_XO_CLK_SRC] = &disp_cc_xo_clk_src.clkr,
+};
+
+static const struct qcom_reset_map disp_cc_sm7635_resets[] = {
+	[DISP_CC_MDSS_CORE_BCR] = { 0x8000 },
+	[DISP_CC_MDSS_CORE_INT2_BCR] = { 0xa000 },
+	[DISP_CC_MDSS_RSCC_BCR] = { 0xc000 },
+};
+
+static struct gdsc *disp_cc_sm7635_gdscs[] = {
+	[DISP_CC_MDSS_CORE_GDSC] = &disp_cc_mdss_core_gdsc,
+	[DISP_CC_MDSS_CORE_INT2_GDSC] = &disp_cc_mdss_core_int2_gdsc,
+};
+
+static const struct regmap_config disp_cc_sm7635_regmap_config = {
+	.reg_bits = 32,
+	.reg_stride = 4,
+	.val_bits = 32,
+	.max_register = 0x11008,
+	.fast_io = true,
+};
+
+static struct qcom_cc_desc disp_cc_sm7635_desc = {
+	.config = &disp_cc_sm7635_regmap_config,
+	.clks = disp_cc_sm7635_clocks,
+	.num_clks = ARRAY_SIZE(disp_cc_sm7635_clocks),
+	.resets = disp_cc_sm7635_resets,
+	.num_resets = ARRAY_SIZE(disp_cc_sm7635_resets),
+	.gdscs = disp_cc_sm7635_gdscs,
+	.num_gdscs = ARRAY_SIZE(disp_cc_sm7635_gdscs),
+};
+
+static const struct of_device_id disp_cc_sm7635_match_table[] = {
+	{ .compatible = "qcom,sm7635-dispcc" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, disp_cc_sm7635_match_table);
+
+static int disp_cc_sm7635_probe(struct platform_device *pdev)
+{
+	struct regmap *regmap;
+
+	regmap = qcom_cc_map(pdev, &disp_cc_sm7635_desc);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	clk_lucid_ole_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config);
+
+	/* Enable clock gating for MDP clocks */
+	regmap_update_bits(regmap, DISP_CC_MISC_CMD, 0x10, 0x10);
+
+	/* Keep some clocks always-on */
+	qcom_branch_set_clk_en(regmap, 0xe06c); /* DISP_CC_SLEEP_CLK */
+	qcom_branch_set_clk_en(regmap, 0xe04c); /* DISP_CC_XO_CLK */
+
+	return qcom_cc_really_probe(&pdev->dev, &disp_cc_sm7635_desc, regmap);
+}
+
+static struct platform_driver disp_cc_sm7635_driver = {
+	.probe = disp_cc_sm7635_probe,
+	.driver = {
+		.name = "disp_cc-sm7635",
+		.of_match_table = disp_cc_sm7635_match_table,
+	},
+};
+
+module_platform_driver(disp_cc_sm7635_driver);
+
+MODULE_DESCRIPTION("QTI DISP_CC SM7635 Driver");
+MODULE_LICENSE("GPL");

-- 
2.50.0


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ