mbox series

[0/4] Add camera clock controller support for SM8550

Message ID 20230519155602.6642-1-quic_jkona@quicinc.com
Headers show
Series Add camera clock controller support for SM8550 | expand

Message

Jagadeesh Kona May 19, 2023, 3:55 p.m. UTC
Add bindings, driver and devicetree node for camera clock controller
on SM8550.

Depends on [1] for lucid ole pll ops definition
[1] https://patchwork.kernel.org/project/linux-clk/list/?series=746186&state=%2A&archive=both

Jagadeesh Kona (4):
  clk: qcom: clk-alpha-pll: Add support for rivian ole pll ops
  dt-bindings: clock: qcom: Add SM8550 camera clock controller
  clk: qcom: camcc-sm8550: Add camera clock controller driver for SM8550
  arm64: dts: qcom: sm8550: Add camera clock controller

 .../bindings/clock/qcom,sm8550-camcc.yaml     |   82 +
 arch/arm64/boot/dts/qcom/sm8550.dtsi          |   15 +
 drivers/clk/qcom/Kconfig                      |    7 +
 drivers/clk/qcom/Makefile                     |    1 +
 drivers/clk/qcom/camcc-sm8550.c               | 3572 +++++++++++++++++
 drivers/clk/qcom/clk-alpha-pll.h              |    4 +
 include/dt-bindings/clock/qcom,sm8550-camcc.h |  187 +
 7 files changed, 3868 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm8550-camcc.yaml
 create mode 100644 drivers/clk/qcom/camcc-sm8550.c
 create mode 100644 include/dt-bindings/clock/qcom,sm8550-camcc.h

Comments

Jagadeesh Kona May 25, 2023, 4:42 p.m. UTC | #1
Hi Konrad,

Thanks for your review!

On 5/19/2023 10:19 PM, Konrad Dybcio wrote:
> 
> 
> On 19.05.2023 17:55, Jagadeesh Kona wrote:
>> Add support for rivian ole pll ops and ole pll registers to
>> configure and control the rivian ole pll.
>>
>> Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
>> Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
>> ---
>>   drivers/clk/qcom/clk-alpha-pll.h | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h
>> index 4d9b6d5b7062..e6df398bee6d 100644
>> --- a/drivers/clk/qcom/clk-alpha-pll.h
>> +++ b/drivers/clk/qcom/clk-alpha-pll.h
>> @@ -24,6 +24,7 @@ enum {
>>   	CLK_ALPHA_PLL_TYPE_LUCID_EVO,
>>   	CLK_ALPHA_PLL_TYPE_LUCID_OLE,
>>   	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
>> +	CLK_ALPHA_PLL_TYPE_RIVIAN_OLE = CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
> This makes sense
> 
> The rest is just sugar syntax, I don't think it makes sense to keep
> adding meaningless defines..
> 
Yes, will remove these and reuse existing ops in next series.

> Konrad
>>   	CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
>>   	CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
>>   	CLK_ALPHA_PLL_TYPE_STROMER,
>> @@ -181,6 +182,7 @@ extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
>>   #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
>>   
>>   extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
>> +#define clk_alpha_pll_rivian_ole_ops clk_alpha_pll_rivian_evo_ops
>>   #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
>>   
>>   void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
>> @@ -202,6 +204,8 @@ void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regma
>>   			clk_lucid_evo_pll_configure(pll, regmap, config)
>>   void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
>>   				  const struct alpha_pll_config *config);
>> +#define clk_rivian_ole_pll_configure(pll, regmap, config) \
>> +			clk_rivian_evo_pll_configure(pll, regmap, config)
>>   void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
>>   			       const struct alpha_pll_config *config);
>>

Thanks & Regards,
Jagadeesh
Jagadeesh Kona May 25, 2023, 4:47 p.m. UTC | #2
Hi Konrad,

Thanks for your review!

On 5/19/2023 10:22 PM, Konrad Dybcio wrote:
> 
> 
> On 19.05.2023 17:56, Jagadeesh Kona wrote:
>> Add support for the camera clock controller for camera clients to be
>> able to request for camcc clocks on SM8550 platform.
>>
>> Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
>> Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
>> ---
>>   drivers/clk/qcom/Kconfig        |    7 +
>>   drivers/clk/qcom/Makefile       |    1 +
>>   drivers/clk/qcom/camcc-sm8550.c | 3572 +++++++++++++++++++++++++++++++
>>   3 files changed, 3580 insertions(+)
>>   create mode 100644 drivers/clk/qcom/camcc-sm8550.c
>>
>> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
>> index 6bb9b4aff047..c8eccd428736 100644
>> --- a/drivers/clk/qcom/Kconfig
>> +++ b/drivers/clk/qcom/Kconfig
>> @@ -700,6 +700,13 @@ 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_CAMCC_8550
>> +	tristate "SM8550 Camera Clock Controller"
>> +	select SM_GCC_8550
>> +	help
>> +	  Support for the camera clock controller on SM8550 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
>> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
>> index f0b95fc217aa..2b1fcd5c920a 100644
>> --- a/drivers/clk/qcom/Makefile
>> +++ b/drivers/clk/qcom/Makefile
>> @@ -100,6 +100,7 @@ obj-$(CONFIG_SDX_GCC_65) += gcc-sdx65.o
>>   obj-$(CONFIG_SM_CAMCC_6350) += camcc-sm6350.o
>>   obj-$(CONFIG_SM_CAMCC_8250) += camcc-sm8250.o
>>   obj-$(CONFIG_SM_CAMCC_8450) += camcc-sm8450.o
>> +obj-$(CONFIG_SM_CAMCC_8550) += camcc-sm8550.o
>>   obj-$(CONFIG_SM_DISPCC_6115) += dispcc-sm6115.o
>>   obj-$(CONFIG_SM_DISPCC_6125) += dispcc-sm6125.o
>>   obj-$(CONFIG_SM_DISPCC_6350) += dispcc-sm6350.o
>> diff --git a/drivers/clk/qcom/camcc-sm8550.c b/drivers/clk/qcom/camcc-sm8550.c
>> new file mode 100644
>> index 000000000000..2c3d2436da0f
>> --- /dev/null
>> +++ b/drivers/clk/qcom/camcc-sm8550.c
>> @@ -0,0 +1,3572 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +/*
>> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
>> + */
>> +
>> +#include <linux/clk-provider.h>
>> +#include <linux/module.h>
>> +#include <linux/of_device.h>
>> +#include <linux/pm_runtime.h>
>> +#include <linux/regmap.h>
>> +
>> +#include <dt-bindings/clock/qcom,sm8550-camcc.h>
>> +
>> +#include "clk-alpha-pll.h"
>> +#include "clk-branch.h"
>> +#include "clk-rcg.h"
>> +#include "clk-regmap.h"
>> +#include "common.h"
>> +#include "gdsc.h"
>> +#include "reset.h"
>> +
>> +enum {
>> +	DT_BI_TCXO,
>> +	DT_BI_TCXO_AO,
>> +	DT_SLEEP_CLK,
>> +};
>> +
>> +enum {
>> +	P_BI_TCXO,
>> +	P_CAM_CC_PLL0_OUT_EVEN,
>> +	P_CAM_CC_PLL0_OUT_MAIN,
>> +	P_CAM_CC_PLL0_OUT_ODD,
>> +	P_CAM_CC_PLL10_OUT_EVEN,
>> +	P_CAM_CC_PLL11_OUT_EVEN,
>> +	P_CAM_CC_PLL12_OUT_EVEN,
> While it makes sense for a computer, I think it would make more
> sense to keep the >=10 entries after 9
> 
Yes, will take care of this in next series

>> +	P_CAM_CC_PLL1_OUT_EVEN,
>> +	P_CAM_CC_PLL2_OUT_EVEN,
>> +	P_CAM_CC_PLL2_OUT_MAIN,
>> +	P_CAM_CC_PLL3_OUT_EVEN,
>> +	P_CAM_CC_PLL4_OUT_EVEN,
>> +	P_CAM_CC_PLL5_OUT_EVEN,
>> +	P_CAM_CC_PLL6_OUT_EVEN,
>> +	P_CAM_CC_PLL7_OUT_EVEN,
>> +	P_CAM_CC_PLL8_OUT_EVEN,
>> +	P_CAM_CC_PLL9_OUT_EVEN,
>> +	P_CAM_CC_PLL9_OUT_ODD,
>> +	P_SLEEP_CLK,
>> +};
>> +
>> +static const struct pll_vco lucid_ole_vco[] = {
>> +	{ 249600000, 2300000000, 0 },
>> +};
>> +
>> +static const struct pll_vco rivian_ole_vco[] = {
>> +	{ 777000000, 1285000000, 0 },
>> +};
>> +
>> +static const struct alpha_pll_config cam_cc_pll0_config = {
>> +	.l = 0x4400003E,
> Lowercase hex, everywhere, please.
> 
Will take care of this in next series
>> +	.alpha = 0x8000,
>> +	.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 = 0x00008400,
>> +	.user_ctl_hi_val = 0x00000005,
>> +};
>> +
> [...]
> 
>> +
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll0, regmap, &cam_cc_pll0_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll1, regmap, &cam_cc_pll1_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll10, regmap, &cam_cc_pll10_config);
> Same as the first comment
> 
Will take care in next series
> Konrad
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll11, regmap, &cam_cc_pll11_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll12, regmap, &cam_cc_pll12_config);
>> +	clk_rivian_ole_pll_configure(&cam_cc_pll2, regmap, &cam_cc_pll2_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll3, regmap, &cam_cc_pll3_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll4, regmap, &cam_cc_pll4_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll5, regmap, &cam_cc_pll5_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll6, regmap, &cam_cc_pll6_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll7, regmap, &cam_cc_pll7_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll8, regmap, &cam_cc_pll8_config);
>> +	clk_lucid_ole_pll_configure(&cam_cc_pll9, regmap, &cam_cc_pll9_config);
>> +
[skipped]
>> +MODULE_DESCRIPTION("QTI CAM_CC SM8550 Driver");
>> +MODULE_LICENSE("GPL");

Thanks & Regards,
Jagadeesh
Jagadeesh Kona May 25, 2023, 4:49 p.m. UTC | #3
Hi Bryan,

Thanks for your review!

On 5/20/2023 1:56 AM, Bryan O'Donoghue wrote:
> On 19/05/2023 16:56, Jagadeesh Kona wrote:
>> +MODULE_DESCRIPTION("QTI CAM_CC SM8550 Driver");
> 
> This pattern looks odd and inconsistent in our clock drivers. We mostly 
> have CAMCC or VIDEOCC but occasionally have CAM_CC and VIDEO_CC.
> 
> I'd drop that underscore to, in addition to Konrad's comment on Ucase hex.
> 
> Other than that, LGTM.
>
Will take care of this in next series.

> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>

Thanks & Regards,
Jagadeesh
Jagadeesh Kona May 25, 2023, 4:52 p.m. UTC | #4
Hi Konrad,

Thanks for your review!

On 5/19/2023 10:22 PM, Konrad Dybcio wrote:
> 
> 
> On 19.05.2023 17:56, Jagadeesh Kona wrote:
>> Add device node for camera clock controller on Qualcomm
>> SM8550 platform.
>>
>> Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
>> Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sm8550.dtsi | 15 +++++++++++++++
>>   1 file changed, 15 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
>> index e67e7c69dae6..ac82d3774ed8 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
>> @@ -4,6 +4,7 @@
>>    */
>>   
>>   #include <dt-bindings/clock/qcom,rpmh.h>
>> +#include <dt-bindings/clock/qcom,sm8550-camcc.h>
>>   #include <dt-bindings/clock/qcom,sm8550-gcc.h>
>>   #include <dt-bindings/clock/qcom,sm8550-tcsr.h>
>>   #include <dt-bindings/clock/qcom,sm8550-dispcc.h>
>> @@ -2397,6 +2398,20 @@ opp-202000000 {
>>   			};
>>   		};
>>   
>> +		camcc: clock-controller@ade0000 {
>> +			compatible = "qcom,sm8550-camcc";
>> +			reg = <0 0xade0000 0 0x20000>;
> Please pad the non-zero address part to 8 hex digits
> 
Will take care of this in next series.

> Konrad
>> +			clocks = <&bi_tcxo_div2>,
>> +				 <&bi_tcxo_ao_div2>,
>> +				 <&sleep_clk>,
>> +				 <&gcc GCC_CAMERA_AHB_CLK>;
>> +			power-domains = <&rpmhpd SM8550_MMCX>;
>> +			required-opps = <&rpmhpd_opp_low_svs>;
>> +			#clock-cells = <1>;
>> +			#reset-cells = <1>;
>> +			#power-domain-cells = <1>;
>> +		};
>> +
>>   		mdss: display-subsystem@ae00000 {
>>   			compatible = "qcom,sm8550-mdss";
>>   			reg = <0 0x0ae00000 0 0x1000>;

Thanks & Regards,
Jagadeesh
Jagadeesh Kona May 25, 2023, 4:54 p.m. UTC | #5
Hi Dmitry,

Thanks for your review!

On 5/20/2023 12:59 AM, Dmitry Baryshkov wrote:
> On 19/05/2023 18:55, Jagadeesh Kona wrote:
>> Add bindings, driver and devicetree node for camera clock controller
>> on SM8550.
>>
>> Depends on [1] for lucid ole pll ops definition
>> [1] 
>> https://patchwork.kernel.org/project/linux-clk/list/?series=746186&state=%2A&archive=both
>>
>> Jagadeesh Kona (4):
>>    clk: qcom: clk-alpha-pll: Add support for rivian ole pll ops
>>    dt-bindings: clock: qcom: Add SM8550 camera clock controller
>>    clk: qcom: camcc-sm8550: Add camera clock controller driver for SM8550
> 
> This patch didn't make it to the list. Please consider splitting it 
> somehow.
> 
Yes, will split it in next series.

>>    arm64: dts: qcom: sm8550: Add camera clock controller
>>
>>   .../bindings/clock/qcom,sm8550-camcc.yaml     |   82 +
>>   arch/arm64/boot/dts/qcom/sm8550.dtsi          |   15 +
>>   drivers/clk/qcom/Kconfig                      |    7 +
>>   drivers/clk/qcom/Makefile                     |    1 +
>>   drivers/clk/qcom/camcc-sm8550.c               | 3572 +++++++++++++++++
>>   drivers/clk/qcom/clk-alpha-pll.h              |    4 +
>>   include/dt-bindings/clock/qcom,sm8550-camcc.h |  187 +
>>   7 files changed, 3868 insertions(+)
>>   create mode 100644 
>> Documentation/devicetree/bindings/clock/qcom,sm8550-camcc.yaml
>>   create mode 100644 drivers/clk/qcom/camcc-sm8550.c
>>   create mode 100644 include/dt-bindings/clock/qcom,sm8550-camcc.h
>>
> 

Thanks & Regards,
Jagadeesh