linux-kernel - [PATCH V2 4/5] clk: qcom: gcc-qdu1000: Add support for GDSCs

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Date:   Wed, 28 Jun 2023 14:58:36 +0530
From:   Imran Shaik <quic_imrashai@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC:     Taniya Das <quic_tdas@...cinc.com>,
        Imran Shaik <quic_imrashai@...cinc.com>,
        Melody Olvera <quic_molvera@...cinc.com>,
        "Dmitry Baryshkov" <dmitry.baryshkov@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
        Ajit Pandey <quic_ajipan@...cinc.com>
Subject: [PATCH V2 4/5] clk: qcom: gcc-qdu1000: Add support for GDSCs

Add the GDSCs support for QDU1000 and QRU1000 SoCs.

Co-developed-by: Taniya Das <quic_tdas@...cinc.com>
Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
Signed-off-by: Imran Shaik <quic_imrashai@...cinc.com>
---
Changes since v1:
 - Newly added

 drivers/clk/qcom/gcc-qdu1000.c | 42 ++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/drivers/clk/qcom/gcc-qdu1000.c b/drivers/clk/qcom/gcc-qdu1000.c
index 991fb2bc97e9..718c34dca6e8 100644
--- a/drivers/clk/qcom/gcc-qdu1000.c
+++ b/drivers/clk/qcom/gcc-qdu1000.c
@@ -17,6 +17,7 @@
 #include "clk-regmap-divider.h"
 #include "clk-regmap-mux.h"
 #include "clk-regmap-phy-mux.h"
+#include "gdsc.h"
 #include "reset.h"
 
 enum {
@@ -2409,6 +2410,39 @@ static struct clk_branch gcc_usb3_prim_phy_pipe_clk = {
 	},
 };
 
+static struct gdsc pcie_0_gdsc = {
+	.gdscr = 0x9d004,
+	.en_rest_wait_val = 0x2,
+	.en_few_wait_val = 0x2,
+	.clk_dis_wait_val = 0xf,
+	.pd = {
+		.name = "gcc_pcie_0_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc pcie_0_phy_gdsc = {
+	.gdscr = 0x7c004,
+	.en_rest_wait_val = 0x2,
+	.en_few_wait_val = 0x2,
+	.clk_dis_wait_val = 0x2,
+	.pd = {
+		.name = "gcc_pcie_0_phy_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc usb30_prim_gdsc = {
+	.gdscr = 0x49004,
+	.en_rest_wait_val = 0x2,
+	.en_few_wait_val = 0x2,
+	.clk_dis_wait_val = 0xf,
+	.pd = {
+		.name = "gcc_usb30_prim_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+};
+
 static struct clk_regmap *gcc_qdu1000_clocks[] = {
 	[GCC_AGGRE_NOC_ECPRI_DMA_CLK] = &gcc_aggre_noc_ecpri_dma_clk.clkr,
 	[GCC_AGGRE_NOC_ECPRI_DMA_CLK_SRC] = &gcc_aggre_noc_ecpri_dma_clk_src.clkr,
@@ -2545,6 +2579,12 @@ static struct clk_regmap *gcc_qdu1000_clocks[] = {
 	[GCC_DDRSS_ECPRI_GSI_CLK] = &gcc_ddrss_ecpri_gsi_clk.clkr,
 };
 
+static struct gdsc *gcc_qdu1000_gdscs[] = {
+	[PCIE_0_GDSC] = &pcie_0_gdsc,
+	[PCIE_0_PHY_GDSC] = &pcie_0_phy_gdsc,
+	[USB30_PRIM_GDSC] = &usb30_prim_gdsc,
+};
+
 static const struct qcom_reset_map gcc_qdu1000_resets[] = {
 	[GCC_ECPRI_CC_BCR] = { 0x3e000 },
 	[GCC_ECPRI_SS_BCR] = { 0x3a000 },
@@ -2606,6 +2646,8 @@ static const struct qcom_cc_desc gcc_qdu1000_desc = {
 	.num_clks = ARRAY_SIZE(gcc_qdu1000_clocks),
 	.resets = gcc_qdu1000_resets,
 	.num_resets = ARRAY_SIZE(gcc_qdu1000_resets),
+	.gdscs = gcc_qdu1000_gdscs,
+	.num_gdscs = ARRAY_SIZE(gcc_qdu1000_gdscs),
 };
 
 static const struct of_device_id gcc_qdu1000_match_table[] = {
-- 
2.25.1