From: Kever Yang <kever.yang@rock-chips.com> To: Mike Turquette <mturquette@linaro.org>, Heiko Stuebner <heiko@sntech.de> Cc: dianders@chromium.org, sonnyrao@chromium.org, addy.ke@rock-chips.com, cf@rock-chips.com, xjq@rock-chips.com, hj@rock-chips.com, dkl@rock-chips.com, huangtao@rock-chips.com, linux-rockchip@lists.infradead.org, Kever Yang <kever.yang@rock-chips.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] clk: rockchip: change hierarchy for some clocks Date: Wed, 5 Nov 2014 16:47:41 +0800 [thread overview] Message-ID: <1415177261-6942-1-git-send-email-kever.yang@rock-chips.com> (raw) There are some bus clock for multiple controllers with the same function in rk3288: four usb controllers on hclk_usb_peri, two nandc on hclk_emem and four dw_emmc controller on hclk_mem. These bus clock has the same parent with the controllers, they should be enabled if at least one of controllers on that bus is enabled, and should be disabled if all the controllers are disabled. There is no existern way to describ this kind of dependency, so maybe we can make the bus clock as a pseudo parent. This patch change the hierarchy for these bus clocks, to met the following bus hierarchy: hclk_usb_peri is bus clock for |- hclk_otg0, |- hclk_host0, |- hclk_host1, |- hclk_hsic hclk_emem is bus clock for |- hclk_nandc0 |- hclk_nandc1 hclk_mem is bus clock for |- hclk_sdmmc |- hclk_sdio0 |- hclk_sdio1 |- hclk_emmc Signed-off-by: Kever Yang <kever.yang@rock-chips.com> --- Changes in v2: - update the commit message drivers/clk/rockchip/clk-rk3288.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index baf8a89..d31bc45 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -652,21 +652,21 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { /* hclk_peri gates */ GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 0, GFLAGS), - GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 4, GFLAGS), - GATE(HCLK_USBHOST0, "hclk_host0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 6, GFLAGS), - GATE(HCLK_USBHOST1, "hclk_host1", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 7, GFLAGS), - GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 8, GFLAGS), + GATE(HCLK_OTG0, "hclk_otg0", "hclk_usb_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 4, GFLAGS), + GATE(HCLK_USBHOST0, "hclk_host0", "hclk_usb_peri", 0, RK3288_CLKGATE_CON(7), 6, GFLAGS), + GATE(HCLK_USBHOST1, "hclk_host1", "hclk_usb_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 7, GFLAGS), + GATE(HCLK_HSIC, "hclk_hsic", "hclk_usb_peri", 0, RK3288_CLKGATE_CON(7), 8, GFLAGS), GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 9, GFLAGS), GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 10, GFLAGS), GATE(0, "hclk_emem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 12, GFLAGS), GATE(0, "hclk_mem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 13, GFLAGS), - GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 14, GFLAGS), - GATE(HCLK_NANDC1, "hclk_nandc1", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 15, GFLAGS), + GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_emem", 0, RK3288_CLKGATE_CON(7), 14, GFLAGS), + GATE(HCLK_NANDC1, "hclk_nandc1", "hclk_emem", 0, RK3288_CLKGATE_CON(7), 15, GFLAGS), GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 8, GFLAGS), - GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 3, GFLAGS), - GATE(HCLK_SDIO0, "hclk_sdio0", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 4, GFLAGS), - GATE(HCLK_SDIO1, "hclk_sdio1", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 5, GFLAGS), - GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 6, GFLAGS), + GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_mem", 0, RK3288_CLKGATE_CON(8), 3, GFLAGS), + GATE(HCLK_SDIO0, "hclk_sdio0", "hclk_mem", 0, RK3288_CLKGATE_CON(8), 4, GFLAGS), + GATE(HCLK_SDIO1, "hclk_sdio1", "hclk_mem", 0, RK3288_CLKGATE_CON(8), 5, GFLAGS), + GATE(HCLK_EMMC, "hclk_emmc", "hclk_mem", 0, RK3288_CLKGATE_CON(8), 6, GFLAGS), GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 7, GFLAGS), GATE(0, "pmu_hclk_otg0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 5, GFLAGS), -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: kever.yang@rock-chips.com (Kever Yang) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2] clk: rockchip: change hierarchy for some clocks Date: Wed, 5 Nov 2014 16:47:41 +0800 [thread overview] Message-ID: <1415177261-6942-1-git-send-email-kever.yang@rock-chips.com> (raw) There are some bus clock for multiple controllers with the same function in rk3288: four usb controllers on hclk_usb_peri, two nandc on hclk_emem and four dw_emmc controller on hclk_mem. These bus clock has the same parent with the controllers, they should be enabled if at least one of controllers on that bus is enabled, and should be disabled if all the controllers are disabled. There is no existern way to describ this kind of dependency, so maybe we can make the bus clock as a pseudo parent. This patch change the hierarchy for these bus clocks, to met the following bus hierarchy: hclk_usb_peri is bus clock for |- hclk_otg0, |- hclk_host0, |- hclk_host1, |- hclk_hsic hclk_emem is bus clock for |- hclk_nandc0 |- hclk_nandc1 hclk_mem is bus clock for |- hclk_sdmmc |- hclk_sdio0 |- hclk_sdio1 |- hclk_emmc Signed-off-by: Kever Yang <kever.yang@rock-chips.com> --- Changes in v2: - update the commit message drivers/clk/rockchip/clk-rk3288.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index baf8a89..d31bc45 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -652,21 +652,21 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { /* hclk_peri gates */ GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 0, GFLAGS), - GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 4, GFLAGS), - GATE(HCLK_USBHOST0, "hclk_host0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 6, GFLAGS), - GATE(HCLK_USBHOST1, "hclk_host1", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 7, GFLAGS), - GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 8, GFLAGS), + GATE(HCLK_OTG0, "hclk_otg0", "hclk_usb_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 4, GFLAGS), + GATE(HCLK_USBHOST0, "hclk_host0", "hclk_usb_peri", 0, RK3288_CLKGATE_CON(7), 6, GFLAGS), + GATE(HCLK_USBHOST1, "hclk_host1", "hclk_usb_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 7, GFLAGS), + GATE(HCLK_HSIC, "hclk_hsic", "hclk_usb_peri", 0, RK3288_CLKGATE_CON(7), 8, GFLAGS), GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 9, GFLAGS), GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 10, GFLAGS), GATE(0, "hclk_emem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 12, GFLAGS), GATE(0, "hclk_mem", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 13, GFLAGS), - GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 14, GFLAGS), - GATE(HCLK_NANDC1, "hclk_nandc1", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 15, GFLAGS), + GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_emem", 0, RK3288_CLKGATE_CON(7), 14, GFLAGS), + GATE(HCLK_NANDC1, "hclk_nandc1", "hclk_emem", 0, RK3288_CLKGATE_CON(7), 15, GFLAGS), GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 8, GFLAGS), - GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 3, GFLAGS), - GATE(HCLK_SDIO0, "hclk_sdio0", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 4, GFLAGS), - GATE(HCLK_SDIO1, "hclk_sdio1", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 5, GFLAGS), - GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 6, GFLAGS), + GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_mem", 0, RK3288_CLKGATE_CON(8), 3, GFLAGS), + GATE(HCLK_SDIO0, "hclk_sdio0", "hclk_mem", 0, RK3288_CLKGATE_CON(8), 4, GFLAGS), + GATE(HCLK_SDIO1, "hclk_sdio1", "hclk_mem", 0, RK3288_CLKGATE_CON(8), 5, GFLAGS), + GATE(HCLK_EMMC, "hclk_emmc", "hclk_mem", 0, RK3288_CLKGATE_CON(8), 6, GFLAGS), GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 7, GFLAGS), GATE(0, "pmu_hclk_otg0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 5, GFLAGS), -- 1.9.1
next reply other threads:[~2014-11-05 8:50 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-11-05 8:47 Kever Yang [this message] 2014-11-05 8:47 ` [PATCH v2] clk: rockchip: change hierarchy for some clocks Kever Yang
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