From patchwork Fri Oct 15 19:05:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William McVicker X-Patchwork-Id: 12562661 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2E97C433EF for ; Fri, 15 Oct 2021 19:07:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 94ACA60F41 for ; Fri, 15 Oct 2021 19:07:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 94ACA60F41 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Mime-Version: Message-Id:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=iO4JATDRlqx6Xw04lIofTLk1Qjepun/dENposDDFsDo=; b=FZD PKeUpbo7eusmA0SqQdktguQQX7IJDBgjqWqRSAaR9yOsxWFUrdgmVNZe9JsQZzNzM0sTLWZCwnGQq Zib1Ku5kQpTOF5S8QpG7SyV1p8cjnurG9jOqHmIKeUtvcX91hOztScg+nc5JQ0gdBD54lh8mWJuuB 4w9L/qTgki5jlnaWXyIhDtQZEgkjrZ4SpvOhIpAfNDeP7OtuF3fTb8on4XfyipQVpxch2/MqQqFDD kspsClvFTQVrQmHvnhl4lbGqyypXUm51qgbTgHhVTtLKbzWmnNXibUN3ASXL81cWp53Gapm/9neIB MzUJ5gqOGDT5NvOanAYU7D6A0uWAyLg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbSWY-008ZKL-LU; Fri, 15 Oct 2021 19:05:47 +0000 Received: from mail-pg1-x549.google.com ([2607:f8b0:4864:20::549]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbSWT-008ZI8-J2 for linux-arm-kernel@lists.infradead.org; Fri, 15 Oct 2021 19:05:43 +0000 Received: by mail-pg1-x549.google.com with SMTP id d6-20020a63d646000000b00268d368ead8so5491735pgj.6 for ; Fri, 15 Oct 2021 12:05:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=BIAqeiF1ipNOnkkfHeej3hsJmkUqtlrfrCGwYOFZF+Y=; b=PuHVKwDvCo4nEbJZGWPKYfAhs98frdZv0z3knUbUOFYvpzf+e35DN85meFmczFu7dY VhU9x2tc7pv/FOAPU1jQmqCIykpmeNx1x3bfpkxSbp1cM9YcEfcNVGKrp0CaIbg246Nb GMiyQsjbcWLuCTZCiefVSLiYBQqS2lx9qtlA0yvkHXI6+fBVCrExpwgyiZV9KAH7hUE4 TMmvJVRIKykOAHtAIQGTSiWHW8YgRn8Mnd0QzeJvrNe6VDi9x8NBR9M39rx41ao84MhL 7VrRnWx0Zrh8BU8pJKqIbJPiYBfbg9nJ7mmOfwL76L4+Y0NSzn7ToujgVe6t2lIH6hRE Y8xA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=BIAqeiF1ipNOnkkfHeej3hsJmkUqtlrfrCGwYOFZF+Y=; b=nqc83kamtfVLa9UHor+TdZ0RZPJC0mMXUt1kba0di8iLPeP+W+e3LIggZacJhqdEiS Uih4y928qrWIDoLkCXVhMrazfRVOoqz1TInWPrt0NLqh5dtdHz2EdBYrM7KV+zGnFpHr +mJVjtpYoqogv1+Qitnf8WuSN1mMcd5D88HeOn5YI9NJG9P97TaFyDINZnvdVL6VhiVM whbYcnwoGu/w9K4bYHKJw9n73iaSHVxq2HIbUdfP4ab5lb5uWzYMqrBOiCbhmHgnRw3c mFm2kxDKvdC3c+iqyK/3JCaLF1KLcoTwuoma9Fkah16YTwO9ZJ1J4IDSFDRHqZKElbTE iONQ== X-Gm-Message-State: AOAM531KWsNgnPAYVbUl7Tq561I+h4quc3tQkTDbFYunSSM3e6s+7lqK 7zSkPJPp5ohyQ5Sn/iRPsKAxLF6kMzzRZyrC39E= X-Google-Smtp-Source: ABdhPJzZAMFUPfNrg3/zBN2hd5wgMc+uFIgzQP5FmJu2NR8X0XaTZfkCKsbrZBt8sBVRRR7Q2KLUg4a7qpbofhFkqQc= X-Received: from willmcvicker.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:2dd0]) (user=willmcvicker job=sendgmr) by 2002:a62:1d46:0:b0:44d:1a4d:5d03 with SMTP id d67-20020a621d46000000b0044d1a4d5d03mr13459685pfd.55.1634324739335; Fri, 15 Oct 2021 12:05:39 -0700 (PDT) Date: Fri, 15 Oct 2021 19:05:14 +0000 Message-Id: <20211015190515.3760577-1-willmcvicker@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.33.0.1079.g6e70778dc9-goog Subject: [PATCH v1] clk: samsung: update CPU clk registration From: Will McVicker To: Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , Michael Turquette , Stephen Boyd , Krzysztof Kozlowski Cc: kernel-team@android.com, Will McVicker , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211015_120541_680489_AE010079 X-CRM114-Status: GOOD ( 18.46 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Convert the remaining exynos clock drivers to use samsung_clk_register_cpu() or if possible use samsung_cmu_register_one(). With this we can now make exynos_register_cpu_clock() a static function so that future CPU clock registration changes will use the samsung common clock driver. The main benefit of this change is that it standardizes the CPU clock registration for the samsung clock drivers. Signed-off-by: Will McVicker Reviewed-by: Krzysztof Kozlowski Tested-by: Krzysztof Kozlowski --- drivers/clk/samsung/clk-cpu.c | 2 +- drivers/clk/samsung/clk-cpu.h | 7 ---- drivers/clk/samsung/clk-exynos3250.c | 54 ++++++++++++++-------------- drivers/clk/samsung/clk-exynos4.c | 25 +++++++------ drivers/clk/samsung/clk-exynos5250.c | 13 +++---- drivers/clk/samsung/clk-exynos5420.c | 27 +++++++++----- 6 files changed, 67 insertions(+), 61 deletions(-) diff --git a/drivers/clk/samsung/clk-cpu.c b/drivers/clk/samsung/clk-cpu.c index 7f20d9aedaa9..3e62ade120c5 100644 --- a/drivers/clk/samsung/clk-cpu.c +++ b/drivers/clk/samsung/clk-cpu.c @@ -400,7 +400,7 @@ static int exynos5433_cpuclk_notifier_cb(struct notifier_block *nb, } /* helper function to register a CPU clock */ -int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx, +static int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx, unsigned int lookup_id, const char *name, const struct clk_hw *parent, const struct clk_hw *alt_parent, unsigned long offset, const struct exynos_cpuclk_cfg_data *cfg, diff --git a/drivers/clk/samsung/clk-cpu.h b/drivers/clk/samsung/clk-cpu.h index af74686db9ef..fc9f67a3b22e 100644 --- a/drivers/clk/samsung/clk-cpu.h +++ b/drivers/clk/samsung/clk-cpu.h @@ -62,11 +62,4 @@ struct exynos_cpuclk { #define CLK_CPU_HAS_E5433_REGS_LAYOUT (1 << 2) }; -int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx, - unsigned int lookup_id, const char *name, - const struct clk_hw *parent, const struct clk_hw *alt_parent, - unsigned long offset, - const struct exynos_cpuclk_cfg_data *cfg, - unsigned long num_cfgs, unsigned long flags); - #endif /* __SAMSUNG_CLK_CPU_H */ diff --git a/drivers/clk/samsung/clk-exynos3250.c b/drivers/clk/samsung/clk-exynos3250.c index 17df7f9755aa..6cc65ccf867c 100644 --- a/drivers/clk/samsung/clk-exynos3250.c +++ b/drivers/clk/samsung/clk-exynos3250.c @@ -748,6 +748,31 @@ static const struct samsung_pll_clock exynos3250_plls[] __initconst = { UPLL_LOCK, UPLL_CON0, exynos3250_pll_rates), }; +#define E3250_CPU_DIV0(apll, pclk_dbg, atb, corem) \ + (((apll) << 24) | ((pclk_dbg) << 20) | ((atb) << 16) | \ + ((corem) << 4)) +#define E3250_CPU_DIV1(hpm, copy) \ + (((hpm) << 4) | ((copy) << 0)) + +static const struct exynos_cpuclk_cfg_data e3250_armclk_d[] __initconst = { + { 1000000, E3250_CPU_DIV0(1, 7, 4, 1), E3250_CPU_DIV1(7, 7), }, + { 900000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 800000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 700000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 600000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 500000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 400000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 300000, E3250_CPU_DIV0(1, 5, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 200000, E3250_CPU_DIV0(1, 3, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 100000, E3250_CPU_DIV0(1, 1, 1, 1), E3250_CPU_DIV1(7, 7), }, + { 0 }, +}; + +static const struct samsung_cpu_clock exynos3250_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MPLL_USER_C, + CLK_CPU_HAS_DIV1, 0x14200, e3250_armclk_d), +}; + static void __init exynos3_core_down_clock(void __iomem *reg_base) { unsigned int tmp; @@ -780,46 +805,21 @@ static const struct samsung_cmu_info cmu_info __initconst = { .nr_gate_clks = ARRAY_SIZE(gate_clks), .fixed_factor_clks = fixed_factor_clks, .nr_fixed_factor_clks = ARRAY_SIZE(fixed_factor_clks), + .cpu_clks = exynos3250_cpu_clks, + .nr_cpu_clks = ARRAY_SIZE(exynos3250_cpu_clks), .nr_clk_ids = CLK_NR_CLKS, .clk_regs = exynos3250_cmu_clk_regs, .nr_clk_regs = ARRAY_SIZE(exynos3250_cmu_clk_regs), }; -#define E3250_CPU_DIV0(apll, pclk_dbg, atb, corem) \ - (((apll) << 24) | ((pclk_dbg) << 20) | ((atb) << 16) | \ - ((corem) << 4)) -#define E3250_CPU_DIV1(hpm, copy) \ - (((hpm) << 4) | ((copy) << 0)) - -static const struct exynos_cpuclk_cfg_data e3250_armclk_d[] __initconst = { - { 1000000, E3250_CPU_DIV0(1, 7, 4, 1), E3250_CPU_DIV1(7, 7), }, - { 900000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 800000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 700000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 600000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 500000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 400000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 300000, E3250_CPU_DIV0(1, 5, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 200000, E3250_CPU_DIV0(1, 3, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 100000, E3250_CPU_DIV0(1, 1, 1, 1), E3250_CPU_DIV1(7, 7), }, - { 0 }, -}; - static void __init exynos3250_cmu_init(struct device_node *np) { struct samsung_clk_provider *ctx; - struct clk_hw **hws; ctx = samsung_cmu_register_one(np, &cmu_info); if (!ctx) return; - hws = ctx->clk_data.hws; - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MPLL_USER_C], - 0x14200, e3250_armclk_d, ARRAY_SIZE(e3250_armclk_d), - CLK_CPU_HAS_DIV1); - exynos3_core_down_clock(ctx->reg_base); } CLK_OF_DECLARE(exynos3250_cmu, "samsung,exynos3250-cmu", exynos3250_cmu_init); diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index bf13e29a655c..9e98d59eb716 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -1228,12 +1228,21 @@ static const struct exynos_cpuclk_cfg_data e4412_armclk_d[] __initconst = { { 0 }, }; +static const struct samsung_cpu_clock exynos4210_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_SCLK_MPLL, + CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1, 0x14200, e4210_armclk_d), +}; + +static const struct samsung_cpu_clock exynos4412_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MPLL_USER_C, + CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1, 0x14200, e4412_armclk_d), +}; + /* register exynos4 clocks */ static void __init exynos4_clk_init(struct device_node *np, enum exynos4_soc soc) { struct samsung_clk_provider *ctx; - struct clk_hw **hws; exynos4_soc = soc; @@ -1242,7 +1251,6 @@ static void __init exynos4_clk_init(struct device_node *np, panic("%s: failed to map registers\n", __func__); ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); - hws = ctx->clk_data.hws; samsung_clk_of_register_fixed_ext(ctx, exynos4_fixed_rate_ext_clks, ARRAY_SIZE(exynos4_fixed_rate_ext_clks), @@ -1304,10 +1312,8 @@ static void __init exynos4_clk_init(struct device_node *np, samsung_clk_register_fixed_factor(ctx, exynos4210_fixed_factor_clks, ARRAY_SIZE(exynos4210_fixed_factor_clks)); - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_SCLK_MPLL], 0x14200, - e4210_armclk_d, ARRAY_SIZE(e4210_armclk_d), - CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); + samsung_clk_register_cpu(ctx, exynos4210_cpu_clks, + ARRAY_SIZE(exynos4210_cpu_clks)); } else { samsung_clk_register_mux(ctx, exynos4x12_mux_clks, ARRAY_SIZE(exynos4x12_mux_clks)); @@ -1318,11 +1324,8 @@ static void __init exynos4_clk_init(struct device_node *np, samsung_clk_register_fixed_factor(ctx, exynos4x12_fixed_factor_clks, ARRAY_SIZE(exynos4x12_fixed_factor_clks)); - - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MPLL_USER_C], 0x14200, - e4412_armclk_d, ARRAY_SIZE(e4412_armclk_d), - CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); + samsung_clk_register_cpu(ctx, exynos4412_cpu_clks, + ARRAY_SIZE(exynos4412_cpu_clks)); } if (soc == EXYNOS4X12) diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index 06588fab408a..0baf28312231 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -772,6 +772,11 @@ static const struct exynos_cpuclk_cfg_data exynos5250_armclk_d[] __initconst = { { 0 }, }; +static const struct samsung_cpu_clock exynos5250_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MPLL, CLK_CPU_HAS_DIV1, 0x200, + exynos5250_armclk_d), +}; + static const struct of_device_id ext_clk_match[] __initconst = { { .compatible = "samsung,clock-xxti", .data = (void *)0, }, { }, @@ -782,7 +787,6 @@ static void __init exynos5250_clk_init(struct device_node *np) { struct samsung_clk_provider *ctx; unsigned int tmp; - struct clk_hw **hws; if (np) { reg_base = of_iomap(np, 0); @@ -793,7 +797,6 @@ static void __init exynos5250_clk_init(struct device_node *np) } ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); - hws = ctx->clk_data.hws; samsung_clk_of_register_fixed_ext(ctx, exynos5250_fixed_rate_ext_clks, ARRAY_SIZE(exynos5250_fixed_rate_ext_clks), @@ -822,10 +825,8 @@ static void __init exynos5250_clk_init(struct device_node *np) ARRAY_SIZE(exynos5250_div_clks)); samsung_clk_register_gate(ctx, exynos5250_gate_clks, ARRAY_SIZE(exynos5250_gate_clks)); - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MPLL], 0x200, - exynos5250_armclk_d, ARRAY_SIZE(exynos5250_armclk_d), - CLK_CPU_HAS_DIV1); + samsung_clk_register_cpu(ctx, exynos5250_cpu_clks, + ARRAY_SIZE(exynos5250_cpu_clks)); /* * Enable arm clock down (in idle) and set arm divider diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 3ccd4eabd2a6..83607b384665 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1551,6 +1551,20 @@ static const struct exynos_cpuclk_cfg_data exynos5420_kfcclk_d[] __initconst = { { 0 }, }; +static const struct samsung_cpu_clock exynos5420_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MSPLL_CPU, 0, 0x200, + exynos5420_eglclk_d), + CPU_CLK(CLK_KFC_CLK, "kfcclk", CLK_MOUT_KPLL, CLK_MOUT_MSPLL_KFC, 0, 0x28200, + exynos5420_kfcclk_d), +}; + +static const struct samsung_cpu_clock exynos5800_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MSPLL_CPU, 0, 0x200, + exynos5800_eglclk_d), + CPU_CLK(CLK_KFC_CLK, "kfcclk", CLK_MOUT_KPLL, CLK_MOUT_MSPLL_KFC, 0, 0x28200, + exynos5420_kfcclk_d), +}; + static const struct of_device_id ext_clk_match[] __initconst = { { .compatible = "samsung,exynos5420-oscclk", .data = (void *)0, }, { }, @@ -1625,17 +1639,12 @@ static void __init exynos5x_clk_init(struct device_node *np, } if (soc == EXYNOS5420) { - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MSPLL_CPU], 0x200, - exynos5420_eglclk_d, ARRAY_SIZE(exynos5420_eglclk_d), 0); + samsung_clk_register_cpu(ctx, exynos5420_cpu_clks, + ARRAY_SIZE(exynos5420_cpu_clks)); } else { - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MSPLL_CPU], 0x200, - exynos5800_eglclk_d, ARRAY_SIZE(exynos5800_eglclk_d), 0); + samsung_clk_register_cpu(ctx, exynos5800_cpu_clks, + ARRAY_SIZE(exynos5800_cpu_clks)); } - exynos_register_cpu_clock(ctx, CLK_KFC_CLK, "kfcclk", - hws[CLK_MOUT_KPLL], hws[CLK_MOUT_MSPLL_KFC], 0x28200, - exynos5420_kfcclk_d, ARRAY_SIZE(exynos5420_kfcclk_d), 0); samsung_clk_extended_sleep_init(reg_base, exynos5x_clk_regs, ARRAY_SIZE(exynos5x_clk_regs),