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From: Lee Jones <lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: lee.jones@linaro.org, kernel@stlinux.com, mturquette@linaro.org, sboyd@codeaurora.org, devicetree@vger.kernel.org Subject: [PATCH 2/4] ARM: sti: stih407-family: Provide Clock Domain information Date: Mon, 26 Jan 2015 11:13:58 +0000 [thread overview] Message-ID: <1422270840-3039-3-git-send-email-lee.jones@linaro.org> (raw) In-Reply-To: <1422270840-3039-1-git-send-email-lee.jones@linaro.org> Certain clocks should not be turned of by clk_disable_unused. Until now we have been using the kernel command-line of the same name to prevent common clk from turning off all clocks without a reference, as this would ensure hardware lockup. This patch lists each clock which need to stay on to prevent the aforementioned issue from arising. Signed-off-by: Lee Jones <lee.jones@linaro.org> --- arch/arm/boot/dts/stih407-family.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi index 3e31d32..0478b41 100644 --- a/arch/arm/boot/dts/stih407-family.dtsi +++ b/arch/arm/boot/dts/stih407-family.dtsi @@ -34,6 +34,19 @@ reg = <0x08761000 0x1000>, <0x08760100 0x100>; }; + clk-domain { + compatible = "st,clk-domain"; + clocks = <&clk_s_c0_flexgen CLK_EXT2F_A9>, + <&clk_s_c0_flexgen CLK_COMPO_DVP>, + <&clk_s_c0_flexgen CLK_MMC_1>, + <&clk_s_c0_flexgen CLK_ICN_SBC>, + <&clk_s_c0_flexgen CLK_ICN_LMI>, + <&clk_s_c0_flexgen CLK_ICN_CPU>, + <&clk_s_c0_flexgen CLK_TX_ICN_DMU>, + <&clk_s_a0_flexgen CLK_IC_LMI0>, + <&clk_m_a9>; + }; + scu@08760000 { compatible = "arm,cortex-a9-scu"; reg = <0x08760000 0x1000>; -- 1.9.1
next prev parent reply other threads:[~2015-01-26 11:15 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-01-26 11:13 [PATCH 0/4] clk: st: New clock domain Lee Jones 2015-01-26 11:13 ` [PATCH 1/4] ARM: sti: stih407-family: Supply defines for CLOCKGEN A0 Lee Jones 2015-01-26 11:13 ` Lee Jones [this message] 2015-01-26 11:13 ` [PATCH 3/4] clk: st: Provide a clock domain Lee Jones 2015-01-26 11:14 ` [PATCH 4/4] clk: dt: st: Introduce clock domain documentation Lee Jones 2015-01-28 1:19 ` Mike Turquette 2015-01-28 7:58 ` Lee Jones
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