Commit d202341d authored by Luca Weiss's avatar Luca Weiss Committed by Wolfram Sang
Browse files

i2c: qcom-cci: Add msm8953 compatible 



Add a config for the v1.2.5 CCI found on msm8953 which has different
values in .params compared to others already supported in the driver.

Reviewed-by: default avatarLoic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: default avatarLuca Weiss <luca@lucaweiss.eu>
Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
parent f60d68e6

drivers/i2c/busses/i2c-qcom-cci.c

+46 −0
Original line number Diff line number Diff line
@@ -783,8 +783,54 @@ static const struct cci_data cci_v2_data = { 
	},

};



static const struct cci_data cci_msm8953_data = {

	.num_masters = 2,

	.queue_size = { 64, 16 },

	.quirks = {

		.max_write_len = 11,

		.max_read_len = 12,

	},

	.params[I2C_MODE_STANDARD] = {

		.thigh = 78,

		.tlow = 114,

		.tsu_sto = 28,

		.tsu_sta = 28,

		.thd_dat = 10,

		.thd_sta = 77,

		.tbuf = 118,

		.scl_stretch_en = 0,

		.trdhld = 6,

		.tsp = 1

	},

	.params[I2C_MODE_FAST] = {

		.thigh = 20,

		.tlow = 28,

		.tsu_sto = 21,

		.tsu_sta = 21,

		.thd_dat = 13,

		.thd_sta = 18,

		.tbuf = 32,

		.scl_stretch_en = 0,

		.trdhld = 6,

		.tsp = 3

	},

	.params[I2C_MODE_FAST_PLUS] = {

		.thigh = 16,

		.tlow = 22,

		.tsu_sto = 17,

		.tsu_sta = 18,

		.thd_dat = 16,

		.thd_sta = 15,

		.tbuf = 19,

		.scl_stretch_en = 1,

		.trdhld = 3,

		.tsp = 3

	},

};



static const struct of_device_id cci_dt_match[] = {

	{ .compatible = "qcom,msm8226-cci", .data = &cci_v1_data},

	{ .compatible = "qcom,msm8953-cci", .data = &cci_msm8953_data},

	{ .compatible = "qcom,msm8974-cci", .data = &cci_v1_5_data},

	{ .compatible = "qcom,msm8996-cci", .data = &cci_v2_data},