diff options
| author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2019-03-26 19:22:57 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2019-04-03 16:09:50 +0700 |
| commit | 639eb92531166a17bdb459437fbadf97459c5370 (patch) | |
| tree | e8b93f27b6541399ba9b8023c405f84a58c749e7 | |
| parent | 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff) | |
clk: imx5: Fix i.MX50 mainbus clock registers
i.MX50 does not have a periph_apm clock. Instead, the main bus clock
(a.k.a. periph_clk) comes directly from a MUX between pll1_sw, pll2_sw,
pll3_sw, and lp_apm.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | drivers/clk/imx/clk-imx51-imx53.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/clk/imx/clk-imx51-imx53.c b/drivers/clk/imx/clk-imx51-imx53.c index e91c826bce70..3c188aa37cd7 100644 --- a/drivers/clk/imx/clk-imx51-imx53.c +++ b/drivers/clk/imx/clk-imx51-imx53.c @@ -164,10 +164,6 @@ static void __init mx5_clocks_common_init(void __iomem *ccm_base) clk[IMX5_CLK_CKIH1] = imx_obtain_fixed_clock("ckih1", 0); clk[IMX5_CLK_CKIH2] = imx_obtain_fixed_clock("ckih2", 0); - clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, - periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); - clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, - main_bus_sel, ARRAY_SIZE(main_bus_sel)); clk[IMX5_CLK_PER_LP_APM] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1, per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel)); clk[IMX5_CLK_PER_PRED1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2); @@ -342,6 +338,13 @@ static void __init mx50_clocks_init(struct device_node *np) mx5_clocks_common_init(ccm_base); + /* + * This clock is called periph_clk in the i.MX50 Reference Manual, but + * it comes closest in scope to the main_bus_clk of i.MX51 and i.MX53 + */ + clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 2, + standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); + clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1, lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); @@ -410,6 +413,10 @@ static void __init mx51_clocks_init(struct device_node *np) mx5_clocks_common_init(ccm_base); + clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, + periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); + clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, + main_bus_sel, ARRAY_SIZE(main_bus_sel)); clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1, lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_flags("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, @@ -506,6 +513,10 @@ static void __init mx53_clocks_init(struct device_node *np) mx5_clocks_common_init(ccm_base); + clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, + periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); + clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, + main_bus_sel, ARRAY_SIZE(main_bus_sel)); clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1, lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); clk[IMX5_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7); |