From 7ac853ba789d1d9fb22b05f4ebd3a37fd1bb11c1 Mon Sep 17 00:00:00 2001 From: Aniruddha Rao Date: Wed, 16 Mar 2022 15:14:45 +0530 Subject: arm64: tegra: Update SDMMC1/3 clock source for Tegra194 The default parent for SDMMC1/3 clock sources can provide maximum frequency of 136MHz for SDR104 mode. Update parent clock source for SDMMC1/SDMMC3 instances to increase the output clock frequency to 195MHz and improve the perf. Signed-off-by: Aniruddha Rao Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch/arm64/boot/dts/nvidia') diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 751ebe5e9506..1d6be5774fac 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -934,6 +934,11 @@ clocks = <&bpmp TEGRA194_CLK_SDMMC1>, <&bpmp TEGRA194_CLK_SDMMC_LEGACY_TM>; clock-names = "sdhci", "tmclk"; + assigned-clocks = <&bpmp TEGRA194_CLK_SDMMC1>, + <&bpmp TEGRA194_CLK_PLLC4_MUXED>; + assigned-clock-parents = + <&bpmp TEGRA194_CLK_PLLC4_MUXED>, + <&bpmp TEGRA194_CLK_PLLC4_VCO_DIV2>; resets = <&bpmp TEGRA194_RESET_SDMMC1>; reset-names = "sdhci"; interconnects = <&mc TEGRA194_MEMORY_CLIENT_SDMMCRA &emc>, @@ -968,6 +973,11 @@ clocks = <&bpmp TEGRA194_CLK_SDMMC3>, <&bpmp TEGRA194_CLK_SDMMC_LEGACY_TM>; clock-names = "sdhci", "tmclk"; + assigned-clocks = <&bpmp TEGRA194_CLK_SDMMC3>, + <&bpmp TEGRA194_CLK_PLLC4_MUXED>; + assigned-clock-parents = + <&bpmp TEGRA194_CLK_PLLC4_MUXED>, + <&bpmp TEGRA194_CLK_PLLC4_VCO_DIV2>; resets = <&bpmp TEGRA194_RESET_SDMMC3>; reset-names = "sdhci"; interconnects = <&mc TEGRA194_MEMORY_CLIENT_SDMMCR &emc>, -- cgit v1.2.3