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msm: camera: sensor: Update default CCI settings to 37.5Mhz

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Update CCI settings for 100Khz, 400Khz and 1Mhz I2C
frequency with upgraded CCI frequency of 37.5 Mhz.
Disable clock stretching for 1Mhz I2C frequency and enable
for custom frequency.

Change-Id: Ib28eacc09028c0e2f3e36259f04b71fe0b827bf8
Signed-off-by: Rajesh Bondugula <rajeshb@codeaurora.org>
This commit is contained in:
Rajesh Bondugula 2016-01-07 13:55:37 -08:00 • committed by David Keitel
parent 5316a9576e
commit 922b17221e
2 changed files with 37 additions and 34 deletions
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51
arch/arm/boot/dts/qcom/msm8996-camera.dtsi
View file

@ -738,44 +738,47 @@
};
&i2c_freq_100Khz {
qcom,hw-thigh = <78>;
qcom,hw-tlow = <114>;
qcom,hw-tsu-sto = <28>;
qcom,hw-tsu-sta = <28>;
qcom,hw-thd-dat = <10>;
qcom,hw-thd-sta = <77>;
qcom,hw-tbuf = <118>;
qcom,hw-thigh = <201>;
qcom,hw-tlow = <174>;
qcom,hw-tsu-sto = <204>;
qcom,hw-tsu-sta = <231>;
qcom,hw-thd-dat = <22>;
qcom,hw-thd-sta = <162>;
qcom,hw-tbuf = <227>;
qcom,hw-scl-stretch-en = <0>;
qcom,hw-trdhld = <6>;
qcom,hw-tsp = <1>;
qcom,hw-tsp = <3>;
qcom,cci-clk-src = <37500000>;
status = "ok";
};
&i2c_freq_400Khz {
qcom,hw-thigh = <20>;
qcom,hw-tlow = <28>;
qcom,hw-tsu-sto = <21>;
qcom,hw-tsu-sta = <21>;
qcom,hw-thd-dat = <13>;
qcom,hw-thd-sta = <18>;
qcom,hw-tbuf = <32>;
qcom,hw-thigh = <38>;
qcom,hw-tlow = <56>;
qcom,hw-tsu-sto = <40>;
qcom,hw-tsu-sta = <40>;
qcom,hw-thd-dat = <22>;
qcom,hw-thd-sta = <35>;
qcom,hw-tbuf = <62>;
qcom,hw-scl-stretch-en = <0>;
qcom,hw-trdhld = <6>;
qcom,hw-tsp = <3>;
qcom,cci-clk-src = <37500000>;
status = "ok";
};
&i2c_freq_custom {
qcom,hw-thigh = <15>;
qcom,hw-tlow = <28>;
qcom,hw-tsu-sto = <21>;
qcom,hw-tsu-sta = <21>;
qcom,hw-thd-dat = <13>;
qcom,hw-thd-sta = <18>;
qcom,hw-tbuf = <25>;
qcom,hw-thigh = <38>;
qcom,hw-tlow = <56>;
qcom,hw-tsu-sto = <40>;
qcom,hw-tsu-sta = <40>;
qcom,hw-thd-dat = <22>;
qcom,hw-thd-sta = <35>;
qcom,hw-tbuf = <62>;
qcom,hw-scl-stretch-en = <1>;
qcom,hw-trdhld = <6>;
qcom,hw-tsp = <3>;
qcom,cci-clk-src = <37500000>;
status = "ok";
};
@ -786,8 +789,8 @@
qcom,hw-tsu-sta = <18>;
qcom,hw-thd-dat = <16>;
qcom,hw-thd-sta = <15>;
qcom,hw-tbuf = <19>;
qcom,hw-scl-stretch-en = <1>;
qcom,hw-tbuf = <24>;
qcom,hw-scl-stretch-en = <0>;
qcom,hw-trdhld = <3>;
qcom,hw-tsp = <3>;
qcom,cci-clk-src = <37500000>;

20
drivers/media/platform/msm/camera_v2/sensor/cci/msm_cci.c
View file

@ -1,4 +1,4 @@
/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -1819,17 +1819,17 @@ static void msm_cci_init_default_clk_params(struct cci_device *cci_dev,
uint8_t index)
{
/* default clock params are for 100Khz */
cci_dev->cci_clk_params[index].hw_thigh = 78;
cci_dev->cci_clk_params[index].hw_tlow = 114;
cci_dev->cci_clk_params[index].hw_tsu_sto = 28;
cci_dev->cci_clk_params[index].hw_tsu_sta = 28;
cci_dev->cci_clk_params[index].hw_thd_dat = 10;
cci_dev->cci_clk_params[index].hw_thd_sta = 77;
cci_dev->cci_clk_params[index].hw_tbuf = 118;
cci_dev->cci_clk_params[index].hw_thigh = 201;
cci_dev->cci_clk_params[index].hw_tlow = 174;
cci_dev->cci_clk_params[index].hw_tsu_sto = 204;
cci_dev->cci_clk_params[index].hw_tsu_sta = 231;
cci_dev->cci_clk_params[index].hw_thd_dat = 22;
cci_dev->cci_clk_params[index].hw_thd_sta = 162;
cci_dev->cci_clk_params[index].hw_tbuf = 227;
cci_dev->cci_clk_params[index].hw_scl_stretch_en = 0;
cci_dev->cci_clk_params[index].hw_trdhld = 6;
cci_dev->cci_clk_params[index].hw_tsp = 1;
cci_dev->cci_clk_params[index].cci_clk_src = 19200000;
cci_dev->cci_clk_params[index].hw_tsp = 3;
cci_dev->cci_clk_params[index].cci_clk_src = 37500000;
}
static void msm_cci_init_clk_params(struct cci_device *cci_dev)