diff options
Diffstat (limited to 'drivers/clk/bcm/clk-bcm281xx.c')
| -rw-r--r-- | drivers/clk/bcm/clk-bcm281xx.c | 231 |
1 files changed, 95 insertions, 136 deletions
diff --git a/drivers/clk/bcm/clk-bcm281xx.c b/drivers/clk/bcm/clk-bcm281xx.c index 3c66de696aeb..502a487d62c5 100644 --- a/drivers/clk/bcm/clk-bcm281xx.c +++ b/drivers/clk/bcm/clk-bcm281xx.c @@ -15,14 +15,10 @@ #include "clk-kona.h" #include "dt-bindings/clock/bcm281xx.h" -/* bcm11351 CCU device tree "compatible" strings */ -#define BCM11351_DT_ROOT_CCU_COMPAT "brcm,bcm11351-root-ccu" -#define BCM11351_DT_AON_CCU_COMPAT "brcm,bcm11351-aon-ccu" -#define BCM11351_DT_HUB_CCU_COMPAT "brcm,bcm11351-hub-ccu" -#define BCM11351_DT_MASTER_CCU_COMPAT "brcm,bcm11351-master-ccu" -#define BCM11351_DT_SLAVE_CCU_COMPAT "brcm,bcm11351-slave-ccu" +#define BCM281XX_CCU_COMMON(_name, _ucase_name) \ + KONA_CCU_COMMON(BCM281XX, _name, _ucase_name) -/* Root CCU clocks */ +/* Root CCU */ static struct peri_clk_data frac_1m_data = { .gate = HW_SW_GATE(0x214, 16, 0, 1), @@ -31,7 +27,16 @@ static struct peri_clk_data frac_1m_data = { .clocks = CLOCKS("ref_crystal"), }; -/* AON CCU clocks */ +static struct ccu_data root_ccu_data = { + BCM281XX_CCU_COMMON(root, ROOT), + .kona_clks = { + [BCM281XX_ROOT_CCU_FRAC_1M] = + KONA_CLK(root, frac_1m, peri), + [BCM281XX_ROOT_CCU_CLOCK_COUNT] = LAST_KONA_CLK, + }, +}; + +/* AON CCU */ static struct peri_clk_data hub_timer_data = { .gate = HW_SW_GATE(0x0414, 16, 0, 1), @@ -60,7 +65,20 @@ static struct peri_clk_data pmu_bsc_var_data = { .trig = TRIGGER(0x0a40, 2), }; -/* Hub CCU clocks */ +static struct ccu_data aon_ccu_data = { + BCM281XX_CCU_COMMON(aon, AON), + .kona_clks = { + [BCM281XX_AON_CCU_HUB_TIMER] = + KONA_CLK(aon, hub_timer, peri), + [BCM281XX_AON_CCU_PMU_BSC] = + KONA_CLK(aon, pmu_bsc, peri), + [BCM281XX_AON_CCU_PMU_BSC_VAR] = + KONA_CLK(aon, pmu_bsc_var, peri), + [BCM281XX_AON_CCU_CLOCK_COUNT] = LAST_KONA_CLK, + }, +}; + +/* Hub CCU */ static struct peri_clk_data tmon_1m_data = { .gate = HW_SW_GATE(0x04a4, 18, 2, 3), @@ -70,7 +88,16 @@ static struct peri_clk_data tmon_1m_data = { .trig = TRIGGER(0x0e84, 1), }; -/* Master CCU clocks */ +static struct ccu_data hub_ccu_data = { + BCM281XX_CCU_COMMON(hub, HUB), + .kona_clks = { + [BCM281XX_HUB_CCU_TMON_1M] = + KONA_CLK(hub, tmon_1m, peri), + [BCM281XX_HUB_CCU_CLOCK_COUNT] = LAST_KONA_CLK, + }, +}; + +/* Master CCU */ static struct peri_clk_data sdio1_data = { .gate = HW_SW_GATE(0x0358, 18, 2, 3), @@ -153,7 +180,28 @@ static struct peri_clk_data hsic2_12m_data = { .trig = TRIGGER(0x0afc, 5), }; -/* Slave CCU clocks */ +static struct ccu_data master_ccu_data = { + BCM281XX_CCU_COMMON(master, MASTER), + .kona_clks = { + [BCM281XX_MASTER_CCU_SDIO1] = + KONA_CLK(master, sdio1, peri), + [BCM281XX_MASTER_CCU_SDIO2] = + KONA_CLK(master, sdio2, peri), + [BCM281XX_MASTER_CCU_SDIO3] = + KONA_CLK(master, sdio3, peri), + [BCM281XX_MASTER_CCU_SDIO4] = + KONA_CLK(master, sdio4, peri), + [BCM281XX_MASTER_CCU_USB_IC] = + KONA_CLK(master, usb_ic, peri), + [BCM281XX_MASTER_CCU_HSIC2_48M] = + KONA_CLK(master, hsic2_48m, peri), + [BCM281XX_MASTER_CCU_HSIC2_12M] = + KONA_CLK(master, hsic2_12m, peri), + [BCM281XX_MASTER_CCU_CLOCK_COUNT] = LAST_KONA_CLK, + }, +}; + +/* Slave CCU */ static struct peri_clk_data uartb_data = { .gate = HW_SW_GATE(0x0400, 18, 2, 3), @@ -261,156 +309,67 @@ static struct peri_clk_data pwm_data = { .trig = TRIGGER(0x0afc, 15), }; -/* - * CCU setup routines - * - * These are called from kona_dt_ccu_setup() to initialize the array - * of clocks provided by the CCU. Once allocated, the entries in - * the array are initialized by calling kona_clk_setup() with the - * initialization data for each clock. They return 0 if successful - * or an error code otherwise. - */ -static int __init bcm281xx_root_ccu_clks_setup(struct ccu_data *ccu) -{ - struct clk **clks; - size_t count = BCM281XX_ROOT_CCU_CLOCK_COUNT; - - clks = kzalloc(count * sizeof(*clks), GFP_KERNEL); - if (!clks) { - pr_err("%s: failed to allocate root clocks\n", __func__); - return -ENOMEM; - } - ccu->data.clks = clks; - ccu->data.clk_num = count; - - PERI_CLK_SETUP(clks, ccu, BCM281XX_ROOT_CCU_FRAC_1M, frac_1m); - - return 0; -} - -static int __init bcm281xx_aon_ccu_clks_setup(struct ccu_data *ccu) -{ - struct clk **clks; - size_t count = BCM281XX_AON_CCU_CLOCK_COUNT; - - clks = kzalloc(count * sizeof(*clks), GFP_KERNEL); - if (!clks) { - pr_err("%s: failed to allocate aon clocks\n", __func__); - return -ENOMEM; - } - ccu->data.clks = clks; - ccu->data.clk_num = count; - - PERI_CLK_SETUP(clks, ccu, BCM281XX_AON_CCU_HUB_TIMER, hub_timer); - PERI_CLK_SETUP(clks, ccu, BCM281XX_AON_CCU_PMU_BSC, pmu_bsc); - PERI_CLK_SETUP(clks, ccu, BCM281XX_AON_CCU_PMU_BSC_VAR, pmu_bsc_var); - - return 0; -} - -static int __init bcm281xx_hub_ccu_clks_setup(struct ccu_data *ccu) -{ - struct clk **clks; - size_t count = BCM281XX_HUB_CCU_CLOCK_COUNT; - - clks = kzalloc(count * sizeof(*clks), GFP_KERNEL); - if (!clks) { - pr_err("%s: failed to allocate hub clocks\n", __func__); - return -ENOMEM; - } - ccu->data.clks = clks; - ccu->data.clk_num = count; - - PERI_CLK_SETUP(clks, ccu, BCM281XX_HUB_CCU_TMON_1M, tmon_1m); - - return 0; -} - -static int __init bcm281xx_master_ccu_clks_setup(struct ccu_data *ccu) -{ - struct clk **clks; - size_t count = BCM281XX_MASTER_CCU_CLOCK_COUNT; - - clks = kzalloc(count * sizeof(*clks), GFP_KERNEL); - if (!clks) { - pr_err("%s: failed to allocate master clocks\n", __func__); - return -ENOMEM; - } - ccu->data.clks = clks; - ccu->data.clk_num = count; - - PERI_CLK_SETUP(clks, ccu, BCM281XX_MASTER_CCU_SDIO1, sdio1); - PERI_CLK_SETUP(clks, ccu, BCM281XX_MASTER_CCU_SDIO2, sdio2); - PERI_CLK_SETUP(clks, ccu, BCM281XX_MASTER_CCU_SDIO3, sdio3); - PERI_CLK_SETUP(clks, ccu, BCM281XX_MASTER_CCU_SDIO4, sdio4); - PERI_CLK_SETUP(clks, ccu, BCM281XX_MASTER_CCU_USB_IC, usb_ic); - PERI_CLK_SETUP(clks, ccu, BCM281XX_MASTER_CCU_HSIC2_48M, hsic2_48m); - PERI_CLK_SETUP(clks, ccu, BCM281XX_MASTER_CCU_HSIC2_12M, hsic2_12m); - - return 0; -} - -static int __init bcm281xx_slave_ccu_clks_setup(struct ccu_data *ccu) -{ - struct clk **clks; - size_t count = BCM281XX_SLAVE_CCU_CLOCK_COUNT; - - clks = kzalloc(count * sizeof(*clks), GFP_KERNEL); - if (!clks) { - pr_err("%s: failed to allocate slave clocks\n", __func__); - return -ENOMEM; - } - ccu->data.clks = clks; - ccu->data.clk_num = count; - - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_UARTB, uartb); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_UARTB2, uartb2); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_UARTB3, uartb3); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_UARTB4, uartb4); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_SSP0, ssp0); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_SSP2, ssp2); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_BSC1, bsc1); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_BSC2, bsc2); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_BSC3, bsc3); - PERI_CLK_SETUP(clks, ccu, BCM281XX_SLAVE_CCU_PWM, pwm); - - return 0; -} +static struct ccu_data slave_ccu_data = { + BCM281XX_CCU_COMMON(slave, SLAVE), + .kona_clks = { + [BCM281XX_SLAVE_CCU_UARTB] = + KONA_CLK(slave, uartb, peri), + [BCM281XX_SLAVE_CCU_UARTB2] = + KONA_CLK(slave, uartb2, peri), + [BCM281XX_SLAVE_CCU_UARTB3] = + KONA_CLK(slave, uartb3, peri), + [BCM281XX_SLAVE_CCU_UARTB4] = + KONA_CLK(slave, uartb4, peri), + [BCM281XX_SLAVE_CCU_SSP0] = + KONA_CLK(slave, ssp0, peri), + [BCM281XX_SLAVE_CCU_SSP2] = + KONA_CLK(slave, ssp2, peri), + [BCM281XX_SLAVE_CCU_BSC1] = + KONA_CLK(slave, bsc1, peri), + [BCM281XX_SLAVE_CCU_BSC2] = + KONA_CLK(slave, bsc2, peri), + [BCM281XX_SLAVE_CCU_BSC3] = + KONA_CLK(slave, bsc3, peri), + [BCM281XX_SLAVE_CCU_PWM] = + KONA_CLK(slave, pwm, peri), + [BCM281XX_SLAVE_CCU_CLOCK_COUNT] = LAST_KONA_CLK, + }, +}; /* Device tree match table callback functions */ static void __init kona_dt_root_ccu_setup(struct device_node *node) { - kona_dt_ccu_setup(node, bcm281xx_root_ccu_clks_setup); + kona_dt_ccu_setup(&root_ccu_data, node); } static void __init kona_dt_aon_ccu_setup(struct device_node *node) { - kona_dt_ccu_setup(node, bcm281xx_aon_ccu_clks_setup); + kona_dt_ccu_setup(&aon_ccu_data, node); } static void __init kona_dt_hub_ccu_setup(struct device_node *node) { - kona_dt_ccu_setup(node, bcm281xx_hub_ccu_clks_setup); + kona_dt_ccu_setup(&hub_ccu_data, node); } static void __init kona_dt_master_ccu_setup(struct device_node *node) { - kona_dt_ccu_setup(node, bcm281xx_master_ccu_clks_setup); + kona_dt_ccu_setup(&master_ccu_data, node); } static void __init kona_dt_slave_ccu_setup(struct device_node *node) { - kona_dt_ccu_setup(node, bcm281xx_slave_ccu_clks_setup); + kona_dt_ccu_setup(&slave_ccu_data, node); } -CLK_OF_DECLARE(bcm11351_root_ccu, BCM11351_DT_ROOT_CCU_COMPAT, +CLK_OF_DECLARE(bcm281xx_root_ccu, BCM281XX_DT_ROOT_CCU_COMPAT, kona_dt_root_ccu_setup); -CLK_OF_DECLARE(bcm11351_aon_ccu, BCM11351_DT_AON_CCU_COMPAT, +CLK_OF_DECLARE(bcm281xx_aon_ccu, BCM281XX_DT_AON_CCU_COMPAT, kona_dt_aon_ccu_setup); -CLK_OF_DECLARE(bcm11351_hub_ccu, BCM11351_DT_HUB_CCU_COMPAT, +CLK_OF_DECLARE(bcm281xx_hub_ccu, BCM281XX_DT_HUB_CCU_COMPAT, kona_dt_hub_ccu_setup); -CLK_OF_DECLARE(bcm11351_master_ccu, BCM11351_DT_MASTER_CCU_COMPAT, +CLK_OF_DECLARE(bcm281xx_master_ccu, BCM281XX_DT_MASTER_CCU_COMPAT, kona_dt_master_ccu_setup); -CLK_OF_DECLARE(bcm11351_slave_ccu, BCM11351_DT_SLAVE_CCU_COMPAT, +CLK_OF_DECLARE(bcm281xx_slave_ccu, BCM281XX_DT_SLAVE_CCU_COMPAT, kona_dt_slave_ccu_setup); |