From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Lo Subject: [PATCH V4 2/8] clk: tegra: Add PLLP_UD and PLLMB_UD for Tegra210 Date: Wed, 29 May 2019 16:21:33 +0800 Message-ID: <20190529082139.5581-3-josephl@nvidia.com> References: <20190529082139.5581-1-josephl@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190529082139.5581-1-josephl@nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Thierry Reding , Peter De Schrijver , Jonathan Hunter , Rob Herring , Stephen Boyd Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Joseph Lo List-Id: devicetree@vger.kernel.org Introduce the low jitter path of PLLP and PLLMB which can be used as EMC clock source. Signed-off-by: Joseph Lo --- v4: - no change v3: - split to 3 patches from the previous version --- drivers/clk/tegra/clk-tegra210.c | 11 +++++++++++ include/dt-bindings/clock/tegra210-car.h | 4 ++-- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index ed3c7df75d1e..a985faa4a3c1 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -3116,6 +3116,17 @@ static void __init tegra210_pll_init(void __iomem *clk_base, clk_register_clkdev(clk, "pll_m_ud", NULL); clks[TEGRA210_CLK_PLL_M_UD] = clk; + /* PLLMB_UD */ + clk = clk_register_fixed_factor(NULL, "pll_mb_ud", "pll_mb", + CLK_SET_RATE_PARENT, 1, 1); + clk_register_clkdev(clk, "pll_mb_ud", NULL); + clks[TEGRA210_CLK_PLL_MB_UD] = clk; + + /* PLLP_UD */ + clk = clk_register_fixed_factor(NULL, "pll_p_ud", "pll_p", + 0, 1, 1); + clks[TEGRA210_CLK_PLL_P_UD] = clk; + /* PLLU_VCO */ if (!tegra210_init_pllu()) { clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0, diff --git a/include/dt-bindings/clock/tegra210-car.h b/include/dt-bindings/clock/tegra210-car.h index 6b77e721f6b1..832a89788525 100644 --- a/include/dt-bindings/clock/tegra210-car.h +++ b/include/dt-bindings/clock/tegra210-car.h @@ -349,8 +349,8 @@ #define TEGRA210_CLK_PLL_P_OUT_XUSB 317 #define TEGRA210_CLK_XUSB_SSP_SRC 318 #define TEGRA210_CLK_PLL_RE_OUT1 319 -/* 320 */ -/* 321 */ +#define TEGRA210_CLK_PLL_MB_UD 320 +#define TEGRA210_CLK_PLL_P_UD 321 #define TEGRA210_CLK_ISP 322 #define TEGRA210_CLK_PLL_A_OUT_ADSP 323 #define TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP 324 -- 2.21.0