diff options
| author | Naveen Ramaraj <nramaraj@codeaurora.org> | 2016-09-28 12:28:15 -0700 |
|---|---|---|
| committer | Ed Tam <etam@google.com> | 2016-10-01 00:07:39 +0000 |
| commit | 4c17b0fc50f469e7bba2cfd9df045d7ff4133f66 (patch) | |
| tree | 913e8821a3a9155e3086265dd40e933581234f24 /arch | |
| parent | df22c078479ddaa5a9969bcb99557591a6d70d1e (diff) | |
ARM: dts: msm: Bit-banging ability for i2c-12 to reset the bus
Provide pin-ctrl settings, and GPIOs so that SW can bit-bang
the bus if needed.
Bug: 31733987
Change-Id: Id7c6e54e081637c7351bb3f9cdf78b503f13c028
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
Signed-off-by: Naveen Ramaraj <nramaraj@codeaurora.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/qcom/msm8996-pinctrl.dtsi | 13 | ||||
| -rw-r--r-- | arch/arm/boot/dts/qcom/msm8996.dtsi | 5 |
2 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/qcom/msm8996-pinctrl.dtsi b/arch/arm/boot/dts/qcom/msm8996-pinctrl.dtsi index ff128acb376a..e1949eb31439 100644 --- a/arch/arm/boot/dts/qcom/msm8996-pinctrl.dtsi +++ b/arch/arm/boot/dts/qcom/msm8996-pinctrl.dtsi @@ -713,6 +713,19 @@ bias-pull-down; }; }; + + i2c_12_bitbang: i2c_12_bitbang { + mux { + pins = "gpio87", "gpio88"; + function = "gpio"; + }; + + config { + pins = "gpio87", "gpio88"; + drive-strength = <8>; + bias-disable; + }; + }; }; i2c_6 { diff --git a/arch/arm/boot/dts/qcom/msm8996.dtsi b/arch/arm/boot/dts/qcom/msm8996.dtsi index 65dec94b6c72..41cc93940878 100644 --- a/arch/arm/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm/boot/dts/qcom/msm8996.dtsi @@ -455,12 +455,15 @@ qcom,master-id = <84>; qcom,clk-freq-out = <400000>; qcom,clk-freq-in = <19200000>; + qcom,i2c-clk = <&tlmm 88 0>; + qcom,i2c-dat = <&tlmm 87 0>; clock-names = "iface_clk", "core_clk"; clocks = <&clock_gcc clk_gcc_blsp2_ahb_clk>, <&clock_gcc clk_gcc_blsp2_qup6_i2c_apps_clk>; - pinctrl-names = "i2c_active", "i2c_sleep"; + pinctrl-names = "i2c_active", "i2c_sleep", "i2c_bitbang"; pinctrl-0 = <&i2c_12_active>; pinctrl-1 = <&i2c_12_sleep>; + pinctrl-2 = <&i2c_12_bitbang>; }; |