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authorShawn Guo <shengchao.guo@oss.qualcomm.com>2026-08-30 11:02:01 +0800
committerBartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>2026-09-07 09:55:50 +0200
commitfbfd6d0d3596d072f7546b25228e4eb599f68a95 (patch)
treeab2107ea36abbe4fd2f2eb80bf7954978a7578fa /tools/lib/python/kdoc
parentdf2908090cda368b01ff43709f51890076c56157 (diff)
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pinctrl: qcom: nord: Split QUP1 SE2/SE3 into lane-pair functions
QUP1 SE2 and SE3 pack all four of their lanes pair-wise onto only two pins each: lanes 0/1 (I2C SDA/SCL) at mux value 2 and lanes 2/3 (UART TX/RX) at mux value 1, on gpio127/gpio128 and gpio129/gpio130 respectively. Both mux values were named "qup1_se2" (respectively "qup1_se3"), so the two distinct lane pairs became indistinguishable. msm_pinmux_set_mux() stops at the first entry matching the requested function, which means mux value 1 was always selected and the I2C lanes could never be muxed out. In practice i2c9 and i2c10 got the UART lanes and did not work, while uart9 and uart10 happened to be muxed correctly. Give each lane pair its own function, following the _01/_23 naming already used for the same hardware arrangement by the shikra, eliza, hawi and maili TLMM drivers. Both functions still cover the full pin pair, so a single pinctrl state per protocol remains sufficient. Drop gpio129/gpio130 from the SE2 group list, since those pins belong to SE3 and were never reachable through the SE2 function. Also rename QUP1 SE2/SE3 functions in the binding doc accordingly. While at it, add missing "gpio", "qup3_se0_mira" and "qup3_se0_mirb" to the binding function enum to get the list complete. Fixes: c24dd0826f06 ("pinctrl: qcom: add the TLMM driver for the Nord platforms") Cc: stable@vger.kernel.org Assisted-by: LLM Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Link: https://patch.msgid.link/20260830030201.135637-1-shengchao.guo@oss.qualcomm.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
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