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

From: Konrad Dybcio
Date: Wed Jun 28 2023 - 07:08:33 EST


On 28.06.2023 11:28, Imran Shaik wrote:
> Add the GDSCs support for QDU1000 and QRU1000 SoCs.
>
> Co-developed-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> Signed-off-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> Signed-off-by: Imran Shaik <quic_imrashai@xxxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
> 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[] = {