* [PATCH v3 2/2] clk: qcom: Add display clock controller driver for SM6115
2022-09-11 16:46 [PATCH v3 0/2] Add DISPCC driver for SM6115 Adam Skladowski
2022-09-11 16:46 ` [PATCH v3 1/2] dt-bindings: clock: add QCOM SM6115 display clock bindings Adam Skladowski
@ 2022-09-11 16:46 ` Adam Skladowski
2022-09-27 3:22 ` [PATCH v3 0/2] Add DISPCC " Bjorn Andersson
2 siblings, 0 replies; 6+ messages in thread
From: Adam Skladowski @ 2022-09-11 16:46 UTC (permalink / raw)
Cc: phone-devel, ~postmarketos/upstreaming, Adam Skladowski,
Andy Gross, Bjorn Andersson, Konrad Dybcio, Michael Turquette,
Stephen Boyd, Rob Herring, Krzysztof Kozlowski, linux-arm-msm,
linux-clk, devicetree, linux-kernel
Add support for the display clock controller found in SM6115/SM4250
based devices. This clock controller feeds the Multimedia Display
SubSystem (MDSS).
This driver is based upon one submitted for QCM2290.
Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
---
drivers/clk/qcom/Kconfig | 9 +
drivers/clk/qcom/Makefile | 1 +
drivers/clk/qcom/dispcc-sm6115.c | 608 +++++++++++++++++++++++++++++++
3 files changed, 618 insertions(+)
create mode 100644 drivers/clk/qcom/dispcc-sm6115.c
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index 1cf1ef70e347..852888a849ae 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -616,6 +616,15 @@ config SM_CAMCC_8450
Support for the camera clock controller on SM8450 devices.
Say Y if you want to support camera devices and camera functionality.
+config SM_DISPCC_6115
+ tristate "SM6115 Display Clock Controller"
+ depends on SM_GCC_6115
+ help
+ Support for the display clock controller on Qualcomm Technologies, Inc
+ SM6115/SM4250 devices.
+ Say Y if you want to support display devices and functionality such as
+ splash screen
+
config SM_DISPCC_6125
tristate "SM6125 Display Clock Controller"
depends on SM_GCC_6125
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index fbcf04073f07..a732ccb3b912 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -90,6 +90,7 @@ obj-$(CONFIG_SDX_GCC_55) += gcc-sdx55.o
obj-$(CONFIG_SDX_GCC_65) += gcc-sdx65.o
obj-$(CONFIG_SM_CAMCC_8250) += camcc-sm8250.o
obj-$(CONFIG_SM_CAMCC_8450) += camcc-sm8450.o
+obj-$(CONFIG_SM_DISPCC_6115) += dispcc-sm6115.o
obj-$(CONFIG_SM_DISPCC_6125) += dispcc-sm6125.o
obj-$(CONFIG_SM_DISPCC_6350) += dispcc-sm6350.o
obj-$(CONFIG_SM_DISPCC_8250) += dispcc-sm8250.o
diff --git a/drivers/clk/qcom/dispcc-sm6115.c b/drivers/clk/qcom/dispcc-sm6115.c
new file mode 100644
index 000000000000..818bb8f4637c
--- /dev/null
+++ b/drivers/clk/qcom/dispcc-sm6115.c
@@ -0,0 +1,608 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Based on dispcc-qcm2290.c
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021, Linaro Ltd.
+ */
+
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,sm6115-dispcc.h>
+
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "clk-regmap-divider.h"
+#include "common.h"
+#include "gdsc.h"
+
+enum {
+ DT_BI_TCXO,
+ DT_SLEEP_CLK,
+ DT_DSI0_PHY_PLL_OUT_BYTECLK,
+ DT_DSI0_PHY_PLL_OUT_DSICLK,
+ DT_GPLL0_DISP_DIV,
+};
+
+enum {
+ P_BI_TCXO,
+ P_DISP_CC_PLL0_OUT_MAIN,
+ P_DSI0_PHY_PLL_OUT_BYTECLK,
+ P_DSI0_PHY_PLL_OUT_DSICLK,
+ P_GPLL0_OUT_MAIN,
+ P_SLEEP_CLK,
+};
+
+static const struct clk_parent_data parent_data_tcxo = { .index = DT_BI_TCXO };
+
+static const struct pll_vco spark_vco[] = {
+ { 500000000, 1000000000, 2 },
+};
+
+/* 768MHz configuration */
+static const struct alpha_pll_config disp_cc_pll0_config = {
+ .l = 0x28,
+ .alpha = 0x0,
+ .alpha_en_mask = BIT(24),
+ .vco_val = 0x2 << 20,
+ .vco_mask = GENMASK(21, 20),
+ .main_output_mask = BIT(0),
+ .config_ctl_val = 0x4001055B,
+};
+
+static struct clk_alpha_pll disp_cc_pll0 = {
+ .offset = 0x0,
+ .vco_table = spark_vco,
+ .num_vco = ARRAY_SIZE(spark_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
+ .clkr = {
+ .hw.init = &(struct clk_init_data){
+ .name = "disp_cc_pll0",
+ .parent_data = &parent_data_tcxo,
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_ops,
+ },
+ },
+};
+
+static const struct clk_div_table post_div_table_disp_cc_pll0_out_main[] = {
+ { 0x0, 1 },
+ { }
+};
+static struct clk_alpha_pll_postdiv disp_cc_pll0_out_main = {
+ .offset = 0x0,
+ .post_div_shift = 8,
+ .post_div_table = post_div_table_disp_cc_pll0_out_main,
+ .num_post_div = ARRAY_SIZE(post_div_table_disp_cc_pll0_out_main),
+ .width = 4,
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_pll0_out_main",
+ .parent_hws = (const struct clk_hw*[]){
+ &disp_cc_pll0.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_alpha_pll_postdiv_ops,
+ },
+};
+
+static const struct parent_map disp_cc_parent_map_0[] = {
+ { P_BI_TCXO, 0 },
+ { P_DSI0_PHY_PLL_OUT_BYTECLK, 1 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_0[] = {
+ { .index = DT_BI_TCXO },
+ { .index = DT_DSI0_PHY_PLL_OUT_BYTECLK },
+};
+
+static const struct parent_map disp_cc_parent_map_1[] = {
+ { P_BI_TCXO, 0 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_1[] = {
+ { .index = DT_BI_TCXO },
+};
+
+static const struct parent_map disp_cc_parent_map_2[] = {
+ { P_BI_TCXO, 0 },
+ { P_GPLL0_OUT_MAIN, 4 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_2[] = {
+ { .index = DT_BI_TCXO },
+ { .index = DT_GPLL0_DISP_DIV },
+};
+
+static const struct parent_map disp_cc_parent_map_3[] = {
+ { P_BI_TCXO, 0 },
+ { P_DISP_CC_PLL0_OUT_MAIN, 1 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_3[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &disp_cc_pll0_out_main.clkr.hw },
+};
+
+static const struct parent_map disp_cc_parent_map_4[] = {
+ { P_BI_TCXO, 0 },
+ { P_DSI0_PHY_PLL_OUT_DSICLK, 1 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_4[] = {
+ { .index = DT_BI_TCXO },
+ { .index = DT_DSI0_PHY_PLL_OUT_DSICLK },
+};
+
+static const struct parent_map disp_cc_parent_map_5[] = {
+ { P_SLEEP_CLK, 0 },
+};
+
+static const struct clk_parent_data disp_cc_parent_data_5[] = {
+ { .index = DT_SLEEP_CLK, },
+};
+
+static struct clk_rcg2 disp_cc_mdss_byte0_clk_src = {
+ .cmd_rcgr = 0x20bc,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = disp_cc_parent_map_0,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_mdss_byte0_clk_src",
+ .parent_data = disp_cc_parent_data_0,
+ .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
+ /* For set_rate and set_parent to succeed, parent(s) must be enabled */
+ .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE | CLK_GET_RATE_NOCACHE,
+ .ops = &clk_byte2_ops,
+ },
+};
+
+static struct clk_regmap_div disp_cc_mdss_byte0_div_clk_src = {
+ .reg = 0x20d4,
+ .shift = 0,
+ .width = 2,
+ .clkr.hw.init = &(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,
+ .ops = &clk_regmap_div_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_disp_cc_mdss_ahb_clk_src[] = {
+ F(19200000, P_BI_TCXO, 1, 0, 0),
+ F(37500000, P_GPLL0_OUT_MAIN, 8, 0, 0),
+ F(75000000, P_GPLL0_OUT_MAIN, 4, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 disp_cc_mdss_ahb_clk_src = {
+ .cmd_rcgr = 0x2154,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = disp_cc_parent_map_2,
+ .freq_tbl = ftbl_disp_cc_mdss_ahb_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_mdss_ahb_clk_src",
+ .parent_data = disp_cc_parent_data_2,
+ .num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_disp_cc_mdss_esc0_clk_src[] = {
+ F(19200000, P_BI_TCXO, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 disp_cc_mdss_esc0_clk_src = {
+ .cmd_rcgr = 0x20d8,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = disp_cc_parent_map_0,
+ .freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_mdss_esc0_clk_src",
+ .parent_data = disp_cc_parent_data_0,
+ .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
+ .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(192000000, P_DISP_CC_PLL0_OUT_MAIN, 4, 0, 0),
+ F(256000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+ F(307200000, P_DISP_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
+ F(384000000, P_DISP_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 disp_cc_mdss_mdp_clk_src = {
+ .cmd_rcgr = 0x2074,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = disp_cc_parent_map_3,
+ .freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_mdss_mdp_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_pclk0_clk_src = {
+ .cmd_rcgr = 0x205c,
+ .mnd_width = 8,
+ .hid_width = 5,
+ .parent_map = disp_cc_parent_map_4,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_mdss_pclk0_clk_src",
+ .parent_data = disp_cc_parent_data_4,
+ .num_parents = ARRAY_SIZE(disp_cc_parent_data_4),
+ /* For set_rate and set_parent to succeed, parent(s) must be enabled */
+ .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE | CLK_GET_RATE_NOCACHE,
+ .ops = &clk_pixel_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_disp_cc_mdss_rot_clk_src[] = {
+ F(19200000, P_BI_TCXO, 1, 0, 0),
+ F(192000000, P_DISP_CC_PLL0_OUT_MAIN, 4, 0, 0),
+ F(256000000, P_DISP_CC_PLL0_OUT_MAIN, 3, 0, 0),
+ F(307200000, P_DISP_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 disp_cc_mdss_rot_clk_src = {
+ .cmd_rcgr = 0x208c,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = disp_cc_parent_map_3,
+ .freq_tbl = ftbl_disp_cc_mdss_rot_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_mdss_rot_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_vsync_clk_src = {
+ .cmd_rcgr = 0x20a4,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = disp_cc_parent_map_1,
+ .freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_mdss_vsync_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_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_disp_cc_sleep_clk_src[] = {
+ F(32764, P_SLEEP_CLK, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 disp_cc_sleep_clk_src = {
+ .cmd_rcgr = 0x6050,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = disp_cc_parent_map_5,
+ .freq_tbl = ftbl_disp_cc_sleep_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "disp_cc_sleep_clk_src",
+ .parent_data = disp_cc_parent_data_5,
+ .num_parents = ARRAY_SIZE(disp_cc_parent_data_5),
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch disp_cc_mdss_ahb_clk = {
+ .halt_reg = 0x2044,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x2044,
+ .enable_mask = BIT(0),
+ .hw.init = &(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 = 0x2024,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x2024,
+ .enable_mask = BIT(0),
+ .hw.init = &(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 | CLK_GET_RATE_NOCACHE,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch disp_cc_mdss_byte0_intf_clk = {
+ .halt_reg = 0x2028,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x2028,
+ .enable_mask = BIT(0),
+ .hw.init = &(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 | CLK_GET_RATE_NOCACHE,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch disp_cc_mdss_esc0_clk = {
+ .halt_reg = 0x202c,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x202c,
+ .enable_mask = BIT(0),
+ .hw.init = &(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_mdp_clk = {
+ .halt_reg = 0x2008,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x2008,
+ .enable_mask = BIT(0),
+ .hw.init = &(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_lut_clk = {
+ .halt_reg = 0x2018,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x2018,
+ .enable_mask = BIT(0),
+ .hw.init = &(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 = 0x4004,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x4004,
+ .enable_mask = BIT(0),
+ .hw.init = &(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 = 0x2004,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x2004,
+ .enable_mask = BIT(0),
+ .hw.init = &(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 | CLK_GET_RATE_NOCACHE,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch disp_cc_mdss_rot_clk = {
+ .halt_reg = 0x2010,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x2010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "disp_cc_mdss_rot_clk",
+ .parent_names = (const char *[]){
+ "disp_cc_mdss_rot_clk_src",
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch disp_cc_mdss_vsync_clk = {
+ .halt_reg = 0x2020,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x2020,
+ .enable_mask = BIT(0),
+ .hw.init = &(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 clk_branch disp_cc_sleep_clk = {
+ .halt_reg = 0x6068,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0x6068,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "disp_cc_sleep_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &disp_cc_sleep_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct gdsc mdss_gdsc = {
+ .gdscr = 0x3000,
+ .pd = {
+ .name = "mdss_gdsc",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = HW_CTRL,
+};
+
+static struct gdsc *disp_cc_sm6115_gdscs[] = {
+ [MDSS_GDSC] = &mdss_gdsc,
+};
+
+static struct clk_regmap *disp_cc_sm6115_clocks[] = {
+ [DISP_CC_PLL0] = &disp_cc_pll0.clkr,
+ [DISP_CC_PLL0_OUT_MAIN] = &disp_cc_pll0_out_main.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_ESC0_CLK] = &disp_cc_mdss_esc0_clk.clkr,
+ [DISP_CC_MDSS_ESC0_CLK_SRC] = &disp_cc_mdss_esc0_clk_src.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_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_ROT_CLK] = &disp_cc_mdss_rot_clk.clkr,
+ [DISP_CC_MDSS_ROT_CLK_SRC] = &disp_cc_mdss_rot_clk_src.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_SLEEP_CLK] = &disp_cc_sleep_clk.clkr,
+ [DISP_CC_SLEEP_CLK_SRC] = &disp_cc_sleep_clk_src.clkr,
+};
+
+static const struct regmap_config disp_cc_sm6115_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x10000,
+ .fast_io = true,
+};
+
+static const struct qcom_cc_desc disp_cc_sm6115_desc = {
+ .config = &disp_cc_sm6115_regmap_config,
+ .clks = disp_cc_sm6115_clocks,
+ .num_clks = ARRAY_SIZE(disp_cc_sm6115_clocks),
+ .gdscs = disp_cc_sm6115_gdscs,
+ .num_gdscs = ARRAY_SIZE(disp_cc_sm6115_gdscs),
+};
+
+static const struct of_device_id disp_cc_sm6115_match_table[] = {
+ { .compatible = "qcom,sm6115-dispcc" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, disp_cc_sm6115_match_table);
+
+static int disp_cc_sm6115_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+ int ret;
+
+ regmap = qcom_cc_map(pdev, &disp_cc_sm6115_desc);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ clk_alpha_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config);
+
+ /* Keep DISP_CC_XO_CLK always-ON */
+ regmap_update_bits(regmap, 0x604c, BIT(0), BIT(0));
+
+ ret = qcom_cc_really_probe(pdev, &disp_cc_sm6115_desc, regmap);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register DISP CC clocks\n");
+ return ret;
+ }
+
+ return ret;
+}
+
+static struct platform_driver disp_cc_sm6115_driver = {
+ .probe = disp_cc_sm6115_probe,
+ .driver = {
+ .name = "dispcc-sm6115",
+ .of_match_table = disp_cc_sm6115_match_table,
+ },
+};
+
+module_platform_driver(disp_cc_sm6115_driver);
+MODULE_DESCRIPTION("Qualcomm SM6115 Display Clock controller");
+MODULE_LICENSE("GPL");
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread