From patchwork Wed Oct 29 10:06:07 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kever Yang X-Patchwork-Id: 5186181 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 710E2C11AC for ; Wed, 29 Oct 2014 10:07:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7A041201FA for ; Wed, 29 Oct 2014 10:07:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 69B98201F2 for ; Wed, 29 Oct 2014 10:07:00 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XjQ9b-0003eD-QE; Wed, 29 Oct 2014 10:06:59 +0000 Received: from mail-pa0-x22e.google.com ([2607:f8b0:400e:c03::22e]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XjQ9R-0003Y1-GL; Wed, 29 Oct 2014 10:06:52 +0000 Received: by mail-pa0-f46.google.com with SMTP id lf10so2855395pab.33 for ; Wed, 29 Oct 2014 03:06:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id; bh=kwu66Fq5wFD6itUklzIZXfdxLd0AkCRfvLj+ZxTT74I=; b=th7WagpGftqhUttTuzi4ZAcFIdf9ryZAgZV5APId0VG0EnJ+xZpIuEkFq4qOh60p6e 22bNHGUN9wrwPSQeQNLJpCZMH4Gkm3qLZxIcPUKgoasdL90JxZaCne9a0H96frh1rUkr 7Aw05930p8L6Xcvr/w5mq+JQlTbLTlXK2R9ix1fN68mWxHQJbO4u1F27cEATetOGITut WdcTpGzq5JziEal3Wxy+UuUjXmE+jfgAHmGLDo/THcfrUik3CTC8ztaQdt5NGiBnIRh6 1o5i8mtZEK/G4reD7W7A6rYkk9YQtWARWevXhWiFHGcvrVMdUe08GM48oUNffUtAz328 Zuxg== X-Received: by 10.67.30.17 with SMTP id ka17mr9345656pad.62.1414577185682; Wed, 29 Oct 2014 03:06:25 -0700 (PDT) Received: from localhost.localdomain ([58.22.7.114]) by mx.google.com with ESMTPSA id kw10sm3952890pab.0.2014.10.29.03.06.18 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 29 Oct 2014 03:06:24 -0700 (PDT) From: Kever Yang To: Heiko Stuebner Subject: [PATCH] clk: rockchip: disable unused clocks Date: Wed, 29 Oct 2014 18:06:07 +0800 Message-Id: <1414577167-25666-1-git-send-email-kever.yang@rock-chips.com> X-Mailer: git-send-email 1.9.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141029_030649_652044_A05C8F95 X-CRM114-Status: GOOD ( 11.22 ) X-Spam-Score: 1.0 (+) Cc: huangtao@rock-chips.com, dkl@rock-chips.com, addy.ke@rock-chips.com, Mike Turquette , linux-kernel@vger.kernel.org, dianders@chromium.org, Kever Yang , linux-rockchip@lists.infradead.org, xjq@rock-chips.com, cf@rock-chips.com, hj@rock-chips.com, sonnyrao@chromium.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY, URIBL_BLACK autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The rockchip clock driver use CLK_IGNORE_UNUSED flag to make sure all the clocks are available like default power on state. We have implement the clock manage in most of rockchip drivers, it is time to remove it for power save. Instead we add CLK_IGNORE_UNUSED for some clock nodes which should be on during boot or no module driver in kernel will initialize it. Signed-off-by: Kever Yang --- drivers/clk/rockchip/clk-rk3188.c | 32 ++++----- drivers/clk/rockchip/clk-rk3288.c | 146 +++++++++++++++++++------------------- drivers/clk/rockchip/clk.c | 9 --- 3 files changed, 90 insertions(+), 97 deletions(-) diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c index beed49c..0265a33 100644 --- a/drivers/clk/rockchip/clk-rk3188.c +++ b/drivers/clk/rockchip/clk-rk3188.c @@ -257,9 +257,9 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { GATE(0, "hclk_vdpu", "aclk_vdpu", 0, RK2928_CLKGATE_CON(3), 12, GFLAGS), - GATE(0, "gpll_ddr", "gpll", 0, + GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(1), 7, GFLAGS), - COMPOSITE(0, "ddrphy", mux_ddrphy_p, 0, + COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED, RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, RK2928_CLKGATE_CON(0), 2, GFLAGS), @@ -270,10 +270,10 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { RK2928_CLKGATE_CON(0), 6, GFLAGS), GATE(0, "pclk_cpu", "pclk_cpu_pre", 0, RK2928_CLKGATE_CON(0), 5, GFLAGS), - GATE(0, "hclk_cpu", "hclk_cpu_pre", 0, + GATE(0, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(0), 4, GFLAGS), - COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, 0, + COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS, RK2928_CLKGATE_CON(3), 0, GFLAGS), COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0, @@ -304,9 +304,9 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { * the 480m are generated inside the usb block from these clocks, * but they are also a source for the hsicphy clock. */ - GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", 0, + GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(1), 5, GFLAGS), - GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", 0, + GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(1), 6, GFLAGS), COMPOSITE(0, "mac_src", mux_mac_p, 0, @@ -399,7 +399,7 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { /* aclk_cpu gates */ GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS), - GATE(0, "aclk_intmem", "aclk_cpu", 0, RK2928_CLKGATE_CON(4), 12, GFLAGS), + GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS), GATE(0, "aclk_strc_sys", "aclk_cpu", 0, RK2928_CLKGATE_CON(4), 10, GFLAGS), /* hclk_cpu gates */ @@ -457,23 +457,23 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS), GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS), GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS), - GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 4, GFLAGS), - GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 5, GFLAGS), + GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS), + GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS), /* aclk_peri */ GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS), GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS), - GATE(0, "aclk_peri_niu", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 4, GFLAGS), - GATE(0, "aclk_cpu_peri", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 2, GFLAGS), - GATE(0, "aclk_peri_axi_matrix", "aclk_peri", 0, RK2928_CLKGATE_CON(4), 3, GFLAGS), + GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS), + GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS), + GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS), /* pclk_peri gates */ - GATE(0, "pclk_peri_axi_matrix", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 1, GFLAGS), + GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS), GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS), GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS), GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS), GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS), - GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS), + GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(8), 2, GFLAGS), GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS), GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS), GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS), @@ -511,7 +511,7 @@ static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = { | CLK_DIVIDER_READ_ONLY, RK2928_CLKGATE_CON(4), 9, GFLAGS), - GATE(CORE_L2C, "core_l2c", "aclk_cpu", 0, + GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 4, GFLAGS), COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0, @@ -633,7 +633,7 @@ static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = { RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, RK2928_CLKGATE_CON(4), 9, GFLAGS), - GATE(CORE_L2C, "core_l2c", "armclk", 0, + GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 4, GFLAGS), COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0, diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 4629182..472eb90 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -226,31 +226,33 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { * Clock-Architecture Diagram 1 */ - GATE(0, "apll_core", "apll", 0, + GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(0), 1, GFLAGS), - GATE(0, "gpll_core", "gpll", 0, + GATE(0, "gpll_core", "gpll", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(0), 2, GFLAGS), + COMPOSITE_NOGATE(0, "armclk", mux_armclk_p, CLK_IGNORE_UNUSED, + RK3288_CLKSEL_CON(0), 15, 1, MFLAGS, 8, 5, DFLAGS), - COMPOSITE_NOMUX(0, "armcore0", "armclk", 0, - RK3288_CLKSEL_CON(36), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + COMPOSITE_NOMUX(0, "armcore0", "armclk", CLK_IGNORE_UNUSED, + RK3288_CLKSEL_CON(36), 0, 3, DFLAGS, RK3288_CLKGATE_CON(12), 0, GFLAGS), - COMPOSITE_NOMUX(0, "armcore1", "armclk", 0, - RK3288_CLKSEL_CON(36), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + COMPOSITE_NOMUX(0, "armcore1", "armclk", CLK_IGNORE_UNUSED, + RK3288_CLKSEL_CON(36), 4, 3, DFLAGS, RK3288_CLKGATE_CON(12), 1, GFLAGS), - COMPOSITE_NOMUX(0, "armcore2", "armclk", 0, - RK3288_CLKSEL_CON(36), 8, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + COMPOSITE_NOMUX(0, "armcore2", "armclk", CLK_IGNORE_UNUSED, + RK3288_CLKSEL_CON(36), 8, 3, DFLAGS, RK3288_CLKGATE_CON(12), 2, GFLAGS), - COMPOSITE_NOMUX(0, "armcore3", "armclk", 0, - RK3288_CLKSEL_CON(36), 12, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + COMPOSITE_NOMUX(0, "armcore3", "armclk", CLK_IGNORE_UNUSED, + RK3288_CLKSEL_CON(36), 12, 3, DFLAGS, RK3288_CLKGATE_CON(12), 3, GFLAGS), - COMPOSITE_NOMUX(0, "l2ram", "armclk", 0, - RK3288_CLKSEL_CON(37), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + COMPOSITE_NOMUX(0, "l2ram", "armclk", CLK_IGNORE_UNUSED, + RK3288_CLKSEL_CON(37), 0, 3, DFLAGS, RK3288_CLKGATE_CON(12), 4, GFLAGS), - COMPOSITE_NOMUX(0, "aclk_core_m0", "armclk", 0, - RK3288_CLKSEL_CON(0), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY, + COMPOSITE_NOMUX(0, "aclk_core_m0", "armclk", CLK_IGNORE_UNUSED, + RK3288_CLKSEL_CON(0), 0, 4, DFLAGS, RK3288_CLKGATE_CON(12), 5, GFLAGS), - COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", 0, - RK3288_CLKSEL_CON(0), 4, 4, DFLAGS | CLK_DIVIDER_READ_ONLY, + COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", CLK_IGNORE_UNUSED, + RK3288_CLKSEL_CON(0), 4, 4, DFLAGS, RK3288_CLKGATE_CON(12), 6, GFLAGS), COMPOSITE_NOMUX(0, "atclk", "armclk", 0, RK3288_CLKSEL_CON(37), 4, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, @@ -265,28 +267,28 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(0, "pclk_core_niu", "pclk_dbg_pre", 0, RK3288_CLKGATE_CON(12), 11, GFLAGS), - GATE(0, "dpll_ddr", "dpll", 0, + GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(0), 8, GFLAGS), GATE(0, "gpll_ddr", "gpll", 0, RK3288_CLKGATE_CON(0), 9, GFLAGS), - COMPOSITE_NOGATE(0, "ddrphy", mux_ddrphy_p, 0, + COMPOSITE_NOGATE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(26), 2, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), - GATE(0, "gpll_aclk_cpu", "gpll", 0, + GATE(0, "gpll_aclk_cpu", "gpll", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(0), 10, GFLAGS), - GATE(0, "cpll_aclk_cpu", "cpll", 0, + GATE(0, "cpll_aclk_cpu", "cpll", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(0), 11, GFLAGS), - COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0, + COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(1), 15, 1, MFLAGS, 3, 5, DFLAGS), DIV(0, "aclk_cpu_pre", "aclk_cpu_src", 0, RK3288_CLKSEL_CON(1), 0, 3, DFLAGS), - GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", 0, + GATE(0, "aclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(0), 3, GFLAGS), - COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_pre", 0, + COMPOSITE_NOMUX(0, "pclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(1), 12, 3, DFLAGS, RK3288_CLKGATE_CON(0), 5, GFLAGS), - COMPOSITE_NOMUX_DIVTBL(HCLK_CPU, "hclk_cpu", "aclk_cpu_pre", 0, + COMPOSITE_NOMUX_DIVTBL(0, "hclk_cpu", "aclk_cpu_pre", CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(1), 8, 2, DFLAGS, div_hclk_cpu_t, RK3288_CLKGATE_CON(0), 4, GFLAGS), GATE(0, "c2c_host", "aclk_cpu_src", 0, @@ -294,7 +296,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "crypto", "aclk_cpu_pre", 0, RK3288_CLKSEL_CON(26), 6, 2, DFLAGS, RK3288_CLKGATE_CON(5), 4, GFLAGS), - GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", 0, + GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(0), 7, GFLAGS), COMPOSITE(0, "i2s_src", mux_pll_src_cpll_gpll_p, 0, @@ -373,12 +375,12 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_vcodec_pre", 0, RK3288_CLKGATE_CON(9), 1, GFLAGS), - COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb480m_p, 0, + COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb480m_p, CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(31), 6, 2, MFLAGS, 0, 5, DFLAGS, RK3288_CLKGATE_CON(3), 0, GFLAGS), DIV(0, "hclk_vio", "aclk_vio0", 0, RK3288_CLKSEL_CON(28), 8, 5, DFLAGS), - COMPOSITE(0, "aclk_vio1", mux_pll_src_cpll_gpll_usb480m_p, 0, + COMPOSITE(0, "aclk_vio1", mux_pll_src_cpll_gpll_usb480m_p, CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(31), 14, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(3), 2, GFLAGS), @@ -389,10 +391,10 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { RK3288_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(3), 4, GFLAGS), - COMPOSITE(DCLK_VOP0, "dclk_vop0", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(DCLK_VOP0, "dclk_vop0", mux_pll_src_cpll_gpll_npll_p, CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS, RK3288_CLKGATE_CON(3), 1, GFLAGS), - COMPOSITE(DCLK_VOP1, "dclk_vop1", mux_pll_src_cpll_gpll_npll_p, 0, + COMPOSITE(DCLK_VOP1, "dclk_vop1", mux_pll_src_cpll_gpll_npll_p, CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(29), 6, 2, MFLAGS, 8, 8, DFLAGS, RK3288_CLKGATE_CON(3), 3, GFLAGS), @@ -436,7 +438,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { DIV(0, "pclk_pd_alive", "gpll", 0, RK3288_CLKSEL_CON(33), 8, 5, DFLAGS), - COMPOSITE_NOMUX(0, "pclk_pd_pmu", "gpll", 0, + COMPOSITE_NOMUX(0, "pclk_pd_pmu", "gpll", CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(33), 0, 5, DFLAGS, RK3288_CLKGATE_CON(5), 8, GFLAGS), @@ -444,16 +446,16 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { RK3288_CLKSEL_CON(34), 6, 2, MFLAGS, 0, 5, DFLAGS, RK3288_CLKGATE_CON(5), 7, GFLAGS), - COMPOSITE(0, "aclk_peri_src", mux_pll_src_cpll_gpll_p, 0, + COMPOSITE(0, "aclk_peri_src", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS, RK3288_CLKGATE_CON(2), 0, GFLAGS), COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0, RK3288_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, RK3288_CLKGATE_CON(2), 3, GFLAGS), - COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0, + COMPOSITE_NOMUX(0, "hclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, RK3288_CLKGATE_CON(2), 2, GFLAGS), - GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0, + GATE(0, "aclk_peri", "aclk_peri_src", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(2), 1, GFLAGS), /* @@ -479,7 +481,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(SCLK_SDIO1, "sclk_sdio1", mux_mmc_src_p, 0, RK3288_CLKSEL_CON(34), 14, 2, MFLAGS, 8, 6, DFLAGS, RK3288_CLKGATE_CON(13), 2, GFLAGS), - COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0, + COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, CLK_IGNORE_UNUSED, RK3288_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS, RK3288_CLKGATE_CON(13), 3, GFLAGS), @@ -490,13 +492,13 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { RK3288_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS, RK3288_CLKGATE_CON(4), 10, GFLAGS), - GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", 0, + GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(13), 4, GFLAGS), - GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", 0, + GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(13), 5, GFLAGS), - GATE(SCLK_OTGPHY2, "sclk_otgphy2", "usb480m", 0, + GATE(SCLK_OTGPHY2, "sclk_otgphy2", "usb480m", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(13), 6, GFLAGS), - GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", 0, + GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(13), 7, GFLAGS), COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin32k", 0, @@ -601,19 +603,19 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { */ /* aclk_cpu gates */ - GATE(0, "sclk_intmem0", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 5, GFLAGS), - GATE(0, "sclk_intmem1", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 6, GFLAGS), - GATE(0, "sclk_intmem2", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 7, GFLAGS), + GATE(0, "sclk_intmem0", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 5, GFLAGS), + GATE(0, "sclk_intmem1", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 6, GFLAGS), + GATE(0, "sclk_intmem2", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 7, GFLAGS), GATE(ACLK_DMAC1, "aclk_dmac1", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 12, GFLAGS), - GATE(0, "aclk_strc_sys", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 13, GFLAGS), - GATE(0, "aclk_intmem", "aclk_cpu", 0, RK3288_CLKGATE_CON(10), 4, GFLAGS), + GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 13, GFLAGS), + GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 4, GFLAGS), GATE(ACLK_CRYPTO, "aclk_crypto", "aclk_cpu", 0, RK3288_CLKGATE_CON(11), 6, GFLAGS), GATE(0, "aclk_ccp", "aclk_cpu", 0, RK3288_CLKGATE_CON(11), 8, GFLAGS), /* hclk_cpu gates */ GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK3288_CLKGATE_CON(11), 7, GFLAGS), GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 8, GFLAGS), - GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 9, GFLAGS), + GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 9, GFLAGS), GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 10, GFLAGS), GATE(HCLK_SPDIF8CH, "hclk_spdif_8ch", "hclk_cpu", 0, RK3288_CLKGATE_CON(10), 11, GFLAGS), @@ -622,42 +624,42 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(PCLK_TIMER, "pclk_timer", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 1, GFLAGS), GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 2, GFLAGS), GATE(PCLK_I2C2, "pclk_i2c2", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 3, GFLAGS), - GATE(0, "pclk_ddrupctl0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 14, GFLAGS), - GATE(0, "pclk_publ0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 15, GFLAGS), - GATE(0, "pclk_ddrupctl1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 0, GFLAGS), - GATE(0, "pclk_publ1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 1, GFLAGS), + GATE(0, "pclk_ddrupctl0", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 14, GFLAGS), + GATE(0, "pclk_publ0", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(10), 15, GFLAGS), + GATE(0, "pclk_ddrupctl1", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 0, GFLAGS), + GATE(0, "pclk_publ1", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 1, GFLAGS), GATE(0, "pclk_efuse_1024", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 2, GFLAGS), GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS), - GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS), + GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 9, GFLAGS), GATE(0, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS), GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 11, GFLAGS), /* ddrctrl [DDR Controller PHY clock] gates */ - GATE(0, "nclk_ddrupctl0", "ddrphy", 0, RK3288_CLKGATE_CON(11), 4, GFLAGS), - GATE(0, "nclk_ddrupctl1", "ddrphy", 0, RK3288_CLKGATE_CON(11), 5, GFLAGS), + GATE(0, "nclk_ddrupctl0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 4, GFLAGS), + GATE(0, "nclk_ddrupctl1", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 5, GFLAGS), /* ddrphy gates */ - GATE(0, "sclk_ddrphy0", "ddrphy", 0, RK3288_CLKGATE_CON(4), 12, GFLAGS), - GATE(0, "sclk_ddrphy1", "ddrphy", 0, RK3288_CLKGATE_CON(4), 13, GFLAGS), + GATE(0, "sclk_ddrphy0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(4), 12, GFLAGS), + GATE(0, "sclk_ddrphy1", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(4), 13, GFLAGS), /* aclk_peri gates */ - GATE(0, "aclk_peri_axi_matrix", "aclk_peri", 0, RK3288_CLKGATE_CON(6), 2, GFLAGS), + GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 2, GFLAGS), GATE(ACLK_DMAC2, "aclk_dmac2", "aclk_peri", 0, RK3288_CLKGATE_CON(6), 3, GFLAGS), - GATE(0, "aclk_peri_niu", "aclk_peri", 0, RK3288_CLKGATE_CON(7), 11, GFLAGS), - GATE(ACLK_MMU, "aclk_mmu", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 12, GFLAGS), + GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(7), 11, GFLAGS), + GATE(ACLK_MMU, "aclk_mmu", "aclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(8), 12, GFLAGS), GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 0, GFLAGS), GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK3288_CLKGATE_CON(8), 2, GFLAGS), /* hclk_peri gates */ - GATE(0, "hclk_peri_matrix", "hclk_peri", 0, RK3288_CLKGATE_CON(6), 0, GFLAGS), + GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 0, GFLAGS), GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", 0, 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", 0, RK3288_CLKGATE_CON(7), 7, GFLAGS), GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 8, GFLAGS), - GATE(0, "hclk_usb_peri", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 9, GFLAGS), - GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 10, GFLAGS), - GATE(0, "hclk_emem", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 12, GFLAGS), - GATE(0, "hclk_mem", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 13, 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_TSP, "hclk_tsp", "hclk_peri", 0, RK3288_CLKGATE_CON(8), 8, GFLAGS), @@ -669,7 +671,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(0, "pmu_hclk_otg0", "hclk_peri", 0, RK3288_CLKGATE_CON(7), 5, GFLAGS), /* pclk_peri gates */ - GATE(0, "pclk_peri_matrix", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 1, GFLAGS), + GATE(0, "pclk_peri_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(6), 1, GFLAGS), GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 4, GFLAGS), GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 5, GFLAGS), GATE(PCLK_SPI2, "pclk_spi2", "pclk_peri", 0, RK3288_CLKGATE_CON(6), 6, GFLAGS), @@ -705,22 +707,22 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 4, GFLAGS), GATE(PCLK_GPIO5, "pclk_gpio5", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 5, GFLAGS), GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 6, GFLAGS), - GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 11, GFLAGS), - GATE(0, "pclk_alive_niu", "pclk_pd_alive", 0, RK3288_CLKGATE_CON(14), 12, GFLAGS), + GATE(PCLK_GRF, "pclk_grf", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(14), 11, GFLAGS), + GATE(0, "pclk_alive_niu", "pclk_pd_alive", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(14), 12, GFLAGS), /* pclk_pd_pmu gates */ - GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 0, GFLAGS), - GATE(0, "pclk_intmem1", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 1, GFLAGS), - GATE(0, "pclk_pmu_niu", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 2, GFLAGS), - GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 3, GFLAGS), + GATE(PCLK_PMU, "pclk_pmu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 0, GFLAGS), + GATE(0, "pclk_intmem1", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 1, GFLAGS), + GATE(0, "pclk_pmu_niu", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 2, GFLAGS), + GATE(PCLK_SGRF, "pclk_sgrf", "pclk_pd_pmu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(17), 3, GFLAGS), GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_pd_pmu", 0, RK3288_CLKGATE_CON(17), 4, GFLAGS), /* hclk_vio gates */ GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 1, GFLAGS), GATE(HCLK_VOP0, "hclk_vop0", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 6, GFLAGS), - GATE(HCLK_VOP1, "hclk_vop1", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 8, GFLAGS), - GATE(HCLK_VIO_AHB_ARBI, "hclk_vio_ahb_arbi", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 9, GFLAGS), - GATE(HCLK_VIO_NIU, "hclk_vio_niu", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 10, GFLAGS), + GATE(HCLK_VOP1, "hclk_vop1", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 8, GFLAGS), + GATE(HCLK_VIO_AHB_ARBI, "hclk_vio_ahb_arbi", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 9, GFLAGS), + GATE(HCLK_VIO_NIU, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(15), 10, GFLAGS), GATE(HCLK_VIP, "hclk_vip", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 15, GFLAGS), GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK3288_CLKGATE_CON(15), 3, GFLAGS), GATE(HCLK_ISP, "hclk_isp", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 1, GFLAGS), @@ -729,7 +731,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(PCLK_MIPI_DSI1, "pclk_mipi_dsi1", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 5, GFLAGS), GATE(PCLK_MIPI_CSI, "pclk_mipi_csi", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 6, GFLAGS), GATE(PCLK_LVDS_PHY, "pclk_lvds_phy", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 7, GFLAGS), - GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 8, GFLAGS), + GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "hclk_vio", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(16), 8, GFLAGS), GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 9, GFLAGS), GATE(PCLK_VIO2_H2P, "pclk_vio2_h2p", "hclk_vio", 0, RK3288_CLKGATE_CON(16), 11, GFLAGS), diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index 1e68bff..dec6f8d6 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -246,9 +246,6 @@ void __init rockchip_clk_register_branches( list->div_flags, &clk_lock); break; case branch_fraction_divider: - /* keep all gates untouched for now */ - flags |= CLK_IGNORE_UNUSED; - clk = rockchip_clk_register_frac_branch(list->name, list->parent_names, list->num_parents, reg_base, list->muxdiv_offset, list->div_flags, @@ -258,18 +255,12 @@ void __init rockchip_clk_register_branches( case branch_gate: flags |= CLK_SET_RATE_PARENT; - /* keep all gates untouched for now */ - flags |= CLK_IGNORE_UNUSED; - clk = clk_register_gate(NULL, list->name, list->parent_names[0], flags, reg_base + list->gate_offset, list->gate_shift, list->gate_flags, &clk_lock); break; case branch_composite: - /* keep all gates untouched for now */ - flags |= CLK_IGNORE_UNUSED; - clk = rockchip_clk_register_branch(list->name, list->parent_names, list->num_parents, reg_base, list->muxdiv_offset, list->mux_shift,