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authorFrank Li <Frank.Li@nxp.com>2024-03-22 12:47:05 -0400
committerShawn Guo <shawnguo@kernel.org>2024-04-02 18:55:44 +0800
commitc6ddd6e7b166532a0816825442ff60f70aed9647 (patch)
tree9007f1c44273970382ad0f81b7c9d64cc9d52611 /arch/arm/boot
parent6f8e0aca838e163e81fde176e945161d50679339 (diff)
arm64: dts: imx8-ss-conn: fix usdhc wrong lpcg clock order
The actual clock show wrong frequency: echo on >/sys/devices/platform/bus\@5b000000/5b010000.mmc/power/control cat /sys/kernel/debug/mmc0/ios clock: 200000000 Hz actual clock: 166000000 Hz ^^^^^^^^^ ..... According to sdhc0_lpcg: clock-controller@5b200000 { compatible = "fsl,imx8qxp-lpcg"; reg = <0x5b200000 0x10000>; #clock-cells = <1>; clocks = <&clk IMX_SC_R_SDHC_0 IMX_SC_PM_CLK_PER>, <&conn_ipg_clk>, <&conn_axi_clk>; clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>, <IMX_LPCG_CLK_5>; clock-output-names = "sdhc0_lpcg_per_clk", "sdhc0_lpcg_ipg_clk", "sdhc0_lpcg_ahb_clk"; power-domains = <&pd IMX_SC_R_SDHC_0>; } "per_clk" should be IMX_LPCG_CLK_0 instead of IMX_LPCG_CLK_5. After correct clocks order: echo on >/sys/devices/platform/bus\@5b000000/5b010000.mmc/power/control cat /sys/kernel/debug/mmc0/ios clock: 200000000 Hz actual clock: 198000000 Hz ^^^^^^^^ ... Fixes: 16c4ea7501b1 ("arm64: dts: imx8: switch to new lpcg clock binding") Signed-off-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot')
0 files changed, 0 insertions, 0 deletions