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Message-ID: <4a5b596d-e404-30b5-6c14-c093420e15bb@quicinc.com>
Date: Thu, 25 May 2023 22:17:45 +0530
From: Jagadeesh Kona <quic_jkona@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
Andy Gross <agross@...nel.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: Bjorn Andersson <andersson@...nel.org>,
<linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Taniya Das <quic_tdas@...cinc.com>,
"Satya Priya Kakitapalli" <quic_skakitap@...cinc.com>,
<quic_imrashai@...cinc.com>, <quic_ajipan@...cinc.com>
Subject: Re: [PATCH 3/4] clk: qcom: camcc-sm8550: Add camera clock controller
driver for SM8550
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@...cinc.com>
>> Signed-off-by: Taniya Das <quic_tdas@...cinc.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
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