Re: [PATCH V7 2/7] clk: qcom: Add Global Clock Controller driver for IPQ9574

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Thanks for taking time to review the patch!

On 2/6/2023 7:37 PM, Dmitry Baryshkov wrote:
On 06/02/2023 12:33, Devi Priya wrote:
Add Global Clock Controller (GCC) driver for ipq9574 based devices

Co-developed-by: Anusha Rao <quic_anusha@xxxxxxxxxxx>
Signed-off-by: Anusha Rao <quic_anusha@xxxxxxxxxxx>
Signed-off-by: Devi Priya <quic_devipriy@xxxxxxxxxxx>
---
  Changes in V7:
    - Used qcom_cc_probe instead of qcom_cc_really_probe in
      gcc_ipq9574_probe

  drivers/clk/qcom/Kconfig       |    8 +
  drivers/clk/qcom/Makefile      |    1 +
  drivers/clk/qcom/gcc-ipq9574.c | 4295 ++++++++++++++++++++++++++++++++
  3 files changed, 4304 insertions(+)
  create mode 100644 drivers/clk/qcom/gcc-ipq9574.c

diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index 5ab4b7dfe3c2..a9f01d67a500 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -173,6 +173,14 @@ config IPQ_GCC_8074
        i2c, USB, SD/eMMC, etc. Select this for the root clock
        of ipq8074.
+config IPQ_GCC_9574
+    tristate "IPQ9574 Global Clock Controller"
+    help
+      Support for global clock controller on ipq9574 devices.
+      Say Y if you want to use peripheral devices such as UART, SPI,
+      i2c, USB, SD/eMMC, etc. Select this for the root clock
+      of ipq9574.
+
  config MSM_GCC_8660
      tristate "MSM8660 Global Clock Controller"
      help
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index 3194465dd02c..51e6e5eb187b 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_IPQ_GCC_4019) += gcc-ipq4019.o
  obj-$(CONFIG_IPQ_GCC_6018) += gcc-ipq6018.o
  obj-$(CONFIG_IPQ_GCC_806X) += gcc-ipq806x.o
  obj-$(CONFIG_IPQ_GCC_8074) += gcc-ipq8074.o
+obj-$(CONFIG_IPQ_GCC_9574) += gcc-ipq9574.o
  obj-$(CONFIG_IPQ_LCC_806X) += lcc-ipq806x.o
  obj-$(CONFIG_MDM_GCC_9607) += gcc-mdm9607.o
  obj-$(CONFIG_MDM_GCC_9615) += gcc-mdm9615.o
diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c
new file mode 100644
index 000000000000..718106a9ac7b
--- /dev/null
+++ b/drivers/clk/qcom/gcc-ipq9574.c

[skipped]

+static struct clk_branch gcc_snoc_pcie3_2lane_s_clk = {
+    .halt_reg = 0x2e054,
+    .clkr = {
+        .enable_reg = 0x2e054,
+        .enable_mask = BIT(0),
+        .hw.init = &(struct clk_init_data) {
+            .name = "gcc_snoc_pcie3_2lane_s_clk",
+            .parent_hws = (const struct clk_hw *[]) {
+                &pcie3_axi_s_clk_src.clkr.hw
+            },
+            .num_parents = 1,
+            .flags = CLK_SET_RATE_PARENT,
+            .ops = &clk_branch2_ops,
+        },
+    },
+};
+
+static struct clk_regmap_mux pcie0_pipe_clk_src = {
+    .reg = 0x28064,
+    .shift = 8,
+    .width = 2,
+    .parent_map = gcc_pcie30_phy0_pipe_clk_xo_map,
+    .clkr = {
+        .hw.init = &(struct clk_init_data) {
+            .name = "pcie0_pipe_clk_src",
+            .parent_data = gcc_pcie30_phy0_pipe_clk_xo,
+            .num_parents = ARRAY_SIZE(gcc_pcie30_phy0_pipe_clk_xo),
+            .flags = CLK_SET_RATE_PARENT,
+            .ops = &clk_regmap_mux_closest_ops,


clk_regmap_phy_mux_ops ?
Okay, will update the ops and struct accordingly in the next series

+        },
+    },
+};
+
+static struct clk_regmap_mux pcie1_pipe_clk_src = {
+    .reg = 0x29064,
+    .shift = 8,
+    .width = 2,
+    .parent_map = gcc_pcie30_phy1_pipe_clk_xo_map,
+    .clkr = {
+        .hw.init = &(struct clk_init_data) {
+            .name = "pcie1_pipe_clk_src",
+            .parent_data = gcc_pcie30_phy1_pipe_clk_xo,
+            .num_parents = ARRAY_SIZE(gcc_pcie30_phy1_pipe_clk_xo),
+            .flags = CLK_SET_RATE_PARENT,
+            .ops = &clk_regmap_mux_closest_ops,
+        },
+    },
+};
+
+static struct clk_regmap_mux pcie2_pipe_clk_src = {
+    .reg = 0x2a064,
+    .shift = 8,
+    .width = 2,
+    .parent_map = gcc_pcie30_phy2_pipe_clk_xo_map,
+    .clkr = {
+        .hw.init = &(struct clk_init_data) {
+            .name = "pcie2_pipe_clk_src",
+            .parent_data = gcc_pcie30_phy2_pipe_clk_xo,
+            .num_parents = ARRAY_SIZE(gcc_pcie30_phy2_pipe_clk_xo),
+            .flags = CLK_SET_RATE_PARENT,
+            .ops = &clk_regmap_mux_closest_ops,

clk_regmap_phy_mux_ops ?
Okay


+        },
+    },
+};
+
+static struct clk_regmap_mux pcie3_pipe_clk_src = {
+    .reg = 0x2b064,
+    .shift = 8,
+    .width = 2,
+    .parent_map = gcc_pcie30_phy3_pipe_clk_xo_map,
+    .clkr = {
+        .hw.init = &(struct clk_init_data) {
+            .name = "pcie3_pipe_clk_src",
+            .parent_data = gcc_pcie30_phy3_pipe_clk_xo,
+            .num_parents = ARRAY_SIZE(gcc_pcie30_phy3_pipe_clk_xo),
+            .flags = CLK_SET_RATE_PARENT,
+            .ops = &clk_regmap_mux_closest_ops,

clk_regmap_phy_mux_ops ?
Okay

+        },
+    },
+};

Best Regards,
Devi Priya



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